G570 Intermittent wifi network / slows down as a whole

Similar Questions

• Network slows down and stops receiving data the halfway during the loading of a site or downloading

  In windows 7, my network slows down and stops at the midway during the download or load of a site with the largest size. When I restart the download, the same problem occurs again. When I use a download manager I have to stop the download and then picks up the part were stopping to download and vice versa in order to finish the rest of the download to complete. This problem is only with windows 7 and windows 7 sp 1.

  Hello

  ·         Did you follow all the methods provided?

  ·         You are using cable or wireless network connection?

  Let us know if you have followed all the steps of troubleshooting mentioned in the previous post, and what were the results, so that we can help you further.

  If you use try of connection through check wireless network and wired network. If a cable that you can try to use a new cable to see if the one you use has problems. If it is I'd see if anyone is leeches wireless turn off your connection. Note If you have more than 1 person on a 300kps connection there is no chance, you're going to both to have that kind of speed with a shared connection, especially if you use a hub, although I do not agree that a decline until 20kps is rare, it would not if someone is hogging the bandwidth of your connection.

  Method 1:

  You can also try to update the latest NIC drivers on the manufacturer's Web site and check if it helps.

  Reference:

  http://Windows.Microsoft.com/en-us/Windows7/update-a-driver-for-hardware-that-isn ' t-work correctly

  http://Windows.Microsoft.com/en-us/Windows7/update-drivers-recommended-links

  Method 2:

  Try to release and renew the IP address, and check if this may help. To release and renew your IP address follow these steps:

  a. open windows command prompt

  b. Click Start - Run-type cmd and press enter

  c. to release your ip address ipconfig/release , press Enter

  d. to renew your ipconfig/renew IP address

• Flex 2 network slows down the entire network

  I bought a Flex 2 a few weeks ago. Installed the software Office 365 and creative cloud by Adobe. Everything worked well on both networks, I connect to.

  Today, performance on the entire network is now gone to the dogs. At first, I suspected the provider or router so crossed all the routines of standard service (this disconnect, which reboot) again and again. Same face, deadly slow performance of several PC and Mac on the network.

  Then, I hit on the idea to close my Lenovo. Suddenly, network download speed of 2 MB/s and the ping from 2000 MS to more normal speeds returned.

  I restarted the Lenovo a couple of times, from 2, 4 GHz to 5 with the same result.

  At some point when I plugged the Lenovo directly into the modem (part of the diagnosis) direct speed seemed faster.

  Because the router works perfectly with all the other machines and I haven't changed a thing on it, and because the symptoms get carried away on the network when the Lenovo is cut, I can only assume that there is something to do with the Lenovo Flex 2 and how it communicates with the rest of the network.

  I should also add that I tried to plug an ethernet cable to make sure that it wasn't just a wireless thing. Still had the slow performance.

  I'm pulling my hair out over this, if I can't fix it, I can't work (no one in my office will be able to work) and will have to return the machine...

  Any ideas?

  Thank you...

  Thanks for the reply.

  After much pulling hair and analysis where the traffic was, it turns out it was a Microsoft cloud service a too aggressive drive that decided to download dozens of large files at the same time instead of in series. This excessive series of connections slowed down the rate of time and transfer of ping everything on the network. Disable updates for OneDrive during periods of work seems to have solved the problem.

  That said, working on this, I see that updates from Lenovo is continually a significant overhead. Do not understand why it takes so resources...

  Thanks again for the response...

• WiFi pilot slows down the closing of Windows 7

  Since I installed the new driver for Ralink Wireless LAN RT3572, it slowed the computer "Shut Down" for more than two minutes, I can't compromise uninstall it because it connects to 3 times the speed of the former driver, is there a work around for this annoying question?

  Changing the value of 'WaitToKillServiceTimeOut' in the registry did not a thing. Disabling all other programs and start-up services did nothing either, only by uninstalling the driver Wi - Fi done shuts Windows down without any delay.

  Hello

  Check with any 3rd part antivirus/security program where there is a conflict with a
  of them. You can reinstall the driver and uninstall 3rd party antivirus then
  Run the removal of its creator tool to see if that clears the issue. Use the clean boot method
  to see if any conflict can be determined. (Even if the chances are, it's the driver itself.)

  MyEventViewer can be verified at the time of the event within a second or so of the
  time of the event to provide more information about the possible cause - see TIP.

  MyEventViewer - free - a simple alternative in the standard Windows Event Viewer.
  TIP - Options - Advanced filter allows you to see a period of time instead of the whole of the record-
  Set it a bit before and after the time of the event.
  http://www.NirSoft.NET/utils/my_event_viewer.html

  How to troubleshoot a problem by performing a clean boot in Windows Vista or
  Windows 7
  http://support.Microsoft.com/kb/929135

  How to change, add or remove startup programs in Windows 7
  http://www.SevenForums.com/tutorials/1401-startup-programs-change.html

  Autoruns - free - see what programs are configured so that it starts automatically when your
  system boots and you log in. Autoruns is also the full list of registry and files
  locations where applications can configure start automatic settings.
  http://TechNet.Microsoft.com/en-us/sysinternals/bb963902.aspx

  =========================================================

  RALink is now Mediatek.

  You must contact Ralink/Mediatek support and/or the manufacturer of the device OEM otherwise Ralink
  as there is obviously a problem with this driver. If there is also a separate device OEM manufacturer
  check in their forums (if any) for known issues.

  RALink
  http://www.ralinktech.com/en/index.php

  MediaTek
  http://www.MediaTek.com/en/

  RALink - Support and downloads (check with the system manufacturer Maker/motherboard or the)
  1 real device manufacturer.)
  http://www.ralinktech.com/en/04_support/support.php?SN=500

  MediaTek - Downloads - drivers and Firmware (check with system Maker/motherboard
  Producer or manufacturer of the 1st real device.)
  http://www.MediaTek.com/en/downloads/

  MediaTek - contact us
  http://www.MediaTek.com/en/about/contact/?contact=WiFi-technical-support

  I hope this helps.

  Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle="" -="" mark="" twain="" said="" it="">

• Pavilion 15 - ab219tx: Internet slows down after connecting the mobile to WiFi.

  Previously, I had a problem where internet connection slowed down painfully when cell phone charges. I tried to reset the power settings. Now I can connect to the laptop... However, now the problem is that if connect you to WiFi via the laptop, regardless of if its loading or not, the internet becomes ridiculously slow. And if the wifi is turned off, it returns to normal. Help, please.

  . Hi @ARD09,

  Thanks for your reply. I review the post. I understand that drivers are a bit old. I first want to eliminate hardware issues with the computer's wireless card by performing all the steps which are associated software.

  I understand perfectly that WiFi and wired Ethernet connection both seem to be slow.

  A few steps to try:

  • Disable all firewalls and antivirus, including ten windows programs have antivirus programs and firewalls.
  • Try mode safe mode with networking to check if the Internet connection is fast. Try the wired and wireless options.
  • Link to the safe mode with networking is given in my previous post. Please try this.
  • Uninstall the existing network adapters and update the bios chipset network adapters and (wired and wireless) from this link: http://hp.com/drivers
  • Please try to change the channel of the router with another value. Try different channels work. that could help for the wifi only.
  • Try to perform a clean boot in windows 10 using this link: https://support.microsoft.com/en-in/kb/929135
  • Try this link setting network connections in windows 10: https://support.microsoft.com/en-in/help/10741/windows-10-fix-network-connection-issues#network-problems=windows-8 & v1h = win8tab1 & v2h = win7tab1 & v3h = winvistatab1 & v4h = winxptab1
  • Then create a new user profile and try to connect wifi french and using a wired connection.
  • Then as a last resort try to restore system to factory setting and check if that helps after you back up all your files.

  I hope this helps. I would like to know how this happens. I hope the problem is solved without hassle and the unit works very well. I'm always here for you help. Please reach out at any time.

  Just to say thank youPlease click the ' Thumbs Up ' button to give a Kudos to appreciate my efforts to help me. If it helps, Please mark this "accepted Solution" because it will help many other people with the same problem to get it resolved without hassle.

  Now carefully and have a wonderful week ahead.

• iCloud photo library stuck in an interminable loading which slows down and stops my entire network.

  Last month I've upgraded successfully to El Capitan. Since then, after choosing to automatically download and store my entire library to the cloud, the download process caused a lot of problems. First of all, I had to leave the laptop on day and night and connected to the internet to complete the download. He has almost completely downloaded (with several modem restarts because the massive data download accidents caused connectivity) but then I had a planned trip and had to shut down the process. I tried to start again when I arrived at my destination, but it seemed to have started the process everything again (see below where the progress bar is at the very beginning again when previously, it was almost completely to the end) and close network of my poor host several times AND he ate all my CPU activity slow down and even stop any other activity of the laptop. Finally, I had to leave the process altogether for the rest of my visit. In fact, I had to disable wifi on my laptop because the process continued in the background even when I got the Photos app off the power. When I returned home, I studied the problem and learned how to fix the library by pressing the command and Option keys when I turned on the photo program. Once, the process started all over again and this time, he showed an any number of items to download (there was less than 25 000 points before this download now it shows more than 26,000).

  

  Finally, I got it at the Apple Genius Bar, in the hope of a quick solution. He, even, fixed the library as well as a few other permissions by using Apple's Diagnostics. Everything seems to be working again, but the process had to start all over again for some reason any and he told me to connect the laptop to the modem via a cable and left running overnight until the process completed. I did it. The first night, I was happy. It seemed that 25% of the process had already been completed. At this rate, it wouldn't take another 4 days. He told me that when he gets in, he would never to do it again. HOWEVER, after the second night of leaving it night directly connected to the modem, I checked it this morning and it seems to have started all OVER AGAIN FROM THE BEGINNING! Still, he hangs up my entire network. I can't watch the Apple TV, or use my iPad for work or my iPhone to access and other plans. Currently, there seems to be a nightmare without end of download and spoil my network (and notice that there are now more 28 000 points).

  

  This is intolerable. I can't live in this endless loop of photos download crashing my network and slow down my programs. I understand that this is not a problem isolated to me. So, did anyone found one simple solution other than its use onedrive or flickr or another synchronization photo program?

  28 000 pictures takes a lot of time - it took me ten days to 7000 and whenever you try to 'fix' it do you it longer - I stopped mine during the day when I was home so it wouldn't screw up my internet access form other devices, defined the Mac not to go to sleep and turn anytime I don't have internet

  Basically, your choices are to turn it off and not use ICPL or use it and let him complete without constant interference and restart the process

  Once he finished he initial transfer it stays out of the way, even with large updates (I added more than 10,000 photos since my initial download)

  LN

• My early 2015 retina 13 '' Macbook pro intermittently "hang" on a wifi network in my house

  Problem: My early 2015 retina 13 '' Macbook pro intermittently "latch" on a wifi network in my house.  Which means, if I'm on my 2.4 GHz network, it works very well and then randomly - while remaining always connected to the wifi network - will lose its ability to connect what be it for 30 seconds to 1 minute. This occurs every 5-10 minutes. If I go to my 5 GHz connection, it works very well for 5-10 minutes. I keep having to switch back so that it could respond more quickly, or let them hang for a minute until he figures it by itself.

  Meanwhile, I can connect with my iPhone, Windows laptop, Xbox, computer, etc. without any problems. If I take my macbook in wifi areas, I have never run into this issue. I don't really know what to do, and faced with the conclusion this problem online - as it is a very specific set of variables causing problems.

  Please see recommended settings of WiFi routers and access Apple points.

  Despite these recommendations, some routers will work better with the latest Mac models if you turn the radio 2.4 GHz mode in settings and only use the 5 GHz. Note, however, that very old devices Apple and some third-party devices can then not connect at all.

  Some third party routers have advanced that you may need to change the settings:

  The encryption algorithm must be AES.

  The group key interval must be 3200.

  I can't give you specific instructions on how to change these settings, because all routers are different. Refer to the documentation for the provider.

• Satellite A100-545: noise intermittently slowing down the

  Satellite A100-545 when read no matter what audio work for example DVD CD or say Skype, MSM etc. sound intermittently slowing down for a few seconds then returns to normal, I downloaded the latest audio drivers.

  Hello

  Eventually it s only a matter of wrong setting.
  Toshiba virtual audio utility should be preinstalled on this laptop.
  Here, you can change some parameters such as the configuration of low frequency or high frequency sounds configuration

  I have sought similar questions in this forum and on the Satellite A100, sound problems has been resolved by updating the BIOS, then the audio driver.
  I don't know if this will help, but if the new version is available, you can try to update the BIOS of Mr. but do not forget to use the good BIOS because evil can damage the motherboard.

• Hundreds of "Microsoft ISATAP Adapter" s in interfaces, slow down some networking applications

  Hello

  Recently, I noticed that some Java applications on my computer take a long time to start: at startup, the grip of the application within about 20 seconds, while the Task Manager indicates that the "javaw.exe" process takes 25% CPU usage (I'm on a quad-core processor, then that would mean that the process of one of them is fully) at the end of the duration of block applications finally starts and then normally works (and the CPU usage decreases). However, this long startup time is annoying when development/debugging Java applications.

  Make debugging, I could see that what was slowing down applications is a method of the Java API called 'getNetworkInterfaces' that retrieves the list of available network interfaces. Running a test program showed me that this method has found more than 1,000 network interfaces (!) on my system, which most is labeled "Microsoft ISATAP Adapter". Apparently, this method is called at the beginning of these Java applications, for reasons that I have not always figured out.

  Did some other research, I found that this method calls a Windows API 'GetIfTable"( MSDN documentation ) function: runs the C++ test program still shows the same number of interfaces (~ 1 000), with all the"Microsoft ISATAP adapter' s. as a result, the problem is probably not due to lack of Java; It's just more noticeable on Java applications, because Java must create a NetworkInterface object for each of these interfaces.

  Still more research to show that it is a known problem in Windows 7 and Windows Server 2008. The question now is: how to remove these "Microsoft ISATAP cards?" They do not appear in the devices, or using DevCon Manager as suggested on other forums. So far, I have not found a satisfactory answer.

  Here are a few links relating to the issue, this could enlighten us:

  This seems to be the issue as described in the base, Microsoft technical support, but he mentions "6to4 adapter" not "maps ISATAP.

  This user in the forums TechNet has the same problem (multiple interfaces, network do not appear in Device Manager, can't get them off with DevCon) but the wire provided no real answers. It would also be interesting to know where getIfTable retrieves network information: apparently is not in the registry.

  Finally, the most interesting link is one that also describes the issue (if it is on Windows Server) and mentions the effect on Java programs. He described a solution mentioning a tool "NDISCLEANUP" but I can't find it anywhere. Where can I get this tool?

  Hello

  Thanks for the reply.

  According to the description I would recommend that you post the question on the Windows 7 IT Pro forums for assistance.

  Windows 7 IT Pro Forums

• WiFi wasn't really that one slow down my laptop. Update driver and cannot connect to my wifi.

  Hi I have a Sony Vaio with Windows 8. Lately, I've been to around 1 to 2 Mbit/s, when I should get 5.5. My brother's laptop will get anywhere from 5 to 9 Mbps. I tried to update my driver which is a BCM43142 Wireless Network Adapter. I've updated, but when I restart my computer I can't connect to my home wifi network. It says something like "your pilot skills do not meet the requirements of the network. I back my driver and he's back at very slow speed of the internet. I don't know what the problem with my laptop please help thanks

  Edit: used windows update and updated to windows 8.1. no difference

  Hi Robben,

  I'm sorry that the installation of the update of the driver did not fix the problem. Please contact Sony support and check if they have any solution or suggestion for this problem with wireless adapter.

  http://eSupport.Sony.com/us/p/select-System.pl?model_type_group_id=10

  After having contact with them, check please post back with the State.

• Can the Airport Extreme connect wireless to my wifi network?

  Hi all

  I have an Airport Extreme, which I use only for his Time Machine feature.  Best I can tell the only way he can connect to my wireless network is extending.  Is this correct?

  If I use it to extend my wireless network was is the negative impact (if any)?

  Thanks in advance.

  You can extend wireless or even join wireless to less the router that you connect to another router from Apple.

  If this is the case then it can work well if it is in the range... otherwise, you must plug the AE into the router principal by ethernet and put in place as a separate network wireless access point.

  Extend wireless is bad if you are linked to the main router wireless... which will cause huge slow down even if you are in a situation of apple router all.

• OSX El Capitan slows down

  My desktop computer Mac seems to slow down.

  I see too many beachballing when apps.

  Even between tabs accuses Safari.

  Here is my EtreCheck report.

  The inability, according to some of RAM is new to me, I had not seen this before.

  I would like to help to get my Mac back to the current.

  EtreCheck version: 2.9.12 (265)

  Report generated 2016-06-29 14:43:13

  Download EtreCheck from https://etrecheck.com

  Time 05:06

  Performance: Below average

  Click the [Support] links to help with non-Apple products.

  Click [details] for more information on this line.

  Problem: Beachballing

  Description:

  Computer is too slow

  Hardware Information: ⓘ

  iMac (21.5 inch, at the end of 2013)

  [Data sheet] - [User Guide] - [warranty & Service]

  iMac - model: iMac14, 3

  1 2.9 GHz Intel Core i5 CPU: 4 strands

  8 GB of RAM expandable - [Instructions]

  BANK 0/DIMM0

  OK 4 GB DDR3 1600 MHz

  BANK 1/DIMM0

  OK 4 GB DDR3 1600 MHz

  Bluetooth: Good - transfer/Airdrop2 taken in charge

  Wireless: unknown

  Video information: ⓘ

  NVIDIA GeForce GT 750M - VRAM: 1024 MB

  iMac, 1920 x 1080

  Software: ⓘ

  OS X El Capitan 10.11.5 (15F34) - since the start time: about 4 days

  Disc information: ⓘ

  HTS541010A9E662 disk HARD APPLE disk0: (1 TB) (rotation)

  EFI (disk0s1) < not mounted >: 210 MB

  iMac HD (disk0s2) /: 999,35 go-go (388,48 free)

  Recovery HD (disk0s3) < not mounted > [recovery]: 650 MB

  USB information: ⓘ

  Apple Inc. BRCM20702 hub.

  Apple Inc. Bluetooth USB host controller.

  Apple Inc. FaceTime HD camera (built-in)

  Reader SuperDrive for MacBook Air Apple Inc..

  Lightning information: ⓘ

  Apple Inc. Thunderbolt_bus.

  Guardian: ⓘ

  Mac App Store and identified developers

  Kernel extensions: ⓘ

  ~/Library/application support/transmission/transmission Disk.app

  com.panic.TransmitDisk.transmitdiskfs [no charge] (4.0.0 - 10.6 SDK - 2014-10-02) [Support]

  Launch system officers: ⓘ

  [loaded] 8 tasks Apple

  [loading] 145 tasks Apple

  [operation] 80 tasks Apple

  [killed] 5 tasks of Apple

  5 killed process lack of RAM

  Launch system demons: ⓘ

  [loaded] 42 tasks Apple

  [loading] 147 tasks Apple

  [operation] 90 tasks Apple

  [killed] 12 tasks Apple

  12 killed process lack of RAM

  Launch demons: ⓘ

  [loading] com.adobe.fpsaud.plist (2016-06-13) [Support]

  User launch officers: ⓘ

  [loading] com.google.keystone.agent.plist (2016-03-01) [Support]

  Items in user login: ⓘ

  iTunesHelper Application (/ Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)

  Application of activity monitor (/ Applications/Utilities/Activity Monitor.app)

  Request for TransmitMenu (/ Applications/Transmit.app/Contents/MacOS/TransmitMenu.app)

  Other applications: ⓘ

  [operation] 2BUA8C4S2C.com.agilebits.onepassword - osx-helper

  [ongoing] com.etresoft.EtreCheck.118112

  [ongoing] com.panic.Transmit.62432

  [ongoing] com.panic.Transmit.TransmitMenu.78112

  [ongoing] JP.co.Canon.cijscannerregister.68832

  [loading] 376 tasks Apple

  [operation] 202 tasks Apple

  [killed] 16 tasks Apple

  Plug-ins Internet: ⓘ

  FlashPlayer - 10.6: 22.0.0.192 - SDK 10.9 (2016-06-24), [Support]

  QuickTime Plugin: 7.7.3 (2016-05-21)

  Flash Player: 22.0.0.192 - SDK 10.9 (2016-06-24), [Support]

  EPPEX plugin: 10.0 (2015-04-10) [Support]

  Default browser: 601 - SDK 10.11 (2016-05-21)

  PepperFlashPlayer: 22.0.0.192 - SDK 10.6 (2016-06-24), [Support]

  iPhotoPhotocast: 7.0 - 10.8 SDK (2013-11-20)

  Safari extensions: ⓘ

  1Password - AgileBits - https://agilebits.com/onepassword (2016-05-21)

  Adblock more - Eyeo GmbH - https://adblockplus.org/ (2016-03-25)

  AdBlock - BetaFish, Inc. - https://getadblock.com (2016-05-21)

  3rd party preference panes: ⓘ

  Flash Player (2016-06-13) [Support]

  Time Machine: ⓘ

  Skip system files: No.

  Mobile backups: OFF

  Automatic backup: YES

  Volumes to back up:

  iMac HD: disc size: 999,35 GB disc used: 610,86 GB

  Destinations:

  LaCie BU iMac [Local]

  Total size: 599,86 GB

  Total number of backups: 36

  An older backup: 04/04/16-17:04

  Last backup: 24/06/16 11:15

  Backup disk size: too small

  599,86 GB backup size < (disc 610,86 GB X 3)

  Data 2 TB [network]

  Total size: 2.00 TB

  Total number of backups: 145

  An older backup: 16/11/13-15:06

  Last backup: 29/06/16 12:30

  Size of backup drive: adequate

  Size of backup 2.00 TB > (disc 610,86 GB X 3)

  Top of page process CPU: ⓘ

  6% WindowServer

  Transmit and 5%

  hidd 1%

  1% kernel_task

  1% fontd

  Top of page process of memory: ⓘ

  1.93 GB com.apple.WebKit.WebContent (9)

  849 MB kernel_task

  Safari of 467 MB

  Cfprefsd (2) 115 MB

  Mds_stores 106 MB

  Virtual memory information: ⓘ

  1. 48 GB of RAM

  6.52 GB used RAM (1.38 GB being cached)

  54 MB used Swap

  Diagnostic information: ⓘ

  June 29, 2016, 14:20:15 ~/Library/Logs/DiagnosticReports/Dock_2016-06-29-142015_[redacted].crash

  /System/Library/CoreServices/dock.app/Contents/MacOS/dock

  26 June 2016, 17:34:04 ~/Library/Logs/DiagnosticReports/PhotoStreamAgent_2016-06-26-173404_[redacted]. Crash

  com Apple.photostream - agent - /Applications/iPhoto.app/Contents/Library/LoginItems/PhotoStreamAgent.app/Conte nts/MacOS/PhotoStreamAgent

  What I propose to do this is

  Stop

  Remove all external devices except the keyboard and mouse

  Restart in safe mode

  Try safe mode if your Mac does not end commissioning - Apple Support

  and test the system

  If the system seems to behave then restart normally and test devices external one

  If you check the integrity of your hard drive using disk utility and run diagnostics on your hardware

  Using Apple Hardware Test - Apple Support

• Why have I not 3 logos AOL in my menu bar? Slowing down of operations?

  Even with Mackeeper my Mac runs slower and slower. When I go to Firefox, AOL mail pop up three logos. This is not normal. He is slowing the machine? Help!

  What is all this?

   "application": {
     "name": "Firefox",
     "version": "18.0.1",
     "userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:18.0) Gecko/20100101 Firefox/18.0",
     "supportURL": "http://support.mozilla.org/1/firefox/18.0.1/Darwin/en-US/"
   },
   "modifiedPreferences": {
     "accessibility.typeaheadfind.flashBar": 0,
     "browser.cache.disk.capacity": 358400,
     "browser.cache.disk.smart_size.first_run": false,
     "browser.cache.disk.smart_size.use_old_max": false,
     "browser.cache.disk.smart_size_cached_value": 358400,
     "browser.history_expire_days.mirror": 180,
     "browser.link.open_newwindow": 2,
     "browser.places.importDefaults": false,
     "browser.places.updateRecentTagsUri": false,
     "browser.places.importBookmarksHTML": false,
     "browser.places.smartBookmarksVersion": 4,
     "browser.places.leftPaneFolderId": -1,
     "browser.places.migratePostDataAnnotations": false,
     "browser.search.useDBForOrder": true,
     "browser.sessionstore.restore_on_demand": false,
     "browser.startup.homepage": "http://mail.aol.com/mail",
     "browser.startup.homepage_override.buildID": "20130116073211",
     "browser.startup.homepage_override.mstone": "18.0.1",
     "browser.tabs.warnOnClose": false,
     "extensions.lastAppVersion": "18.0.1",
     "font.name.serif.x-western": "Palatino",
     "font.size.variable.x-western": 18,
     "gfx.blacklist.webgl.msaa": 4,
     "keyword.URL": "http://search.conduit.com/ResultsExt.aspx?ctid=CT3209604&SearchSource=2&q=",
     "network.cookie.prefsMigrated": true,
     "network.protocol-handler.warn-external.dnupdate": false,
     "places.history.expiration.transient_current_max_pages": 46977,
     "places.last_vacuum": 1356327667,
     "places.database.lastMaintenance": 1369435114,
     "print.print_margin_top": "0.5",
     "print.print_paper_width": "  8.50",
     "print.print_to_file": false,
     "print.print_bgimages": false,
     "print.print_margin_left": "0.5",
     "print.print_orientation": 0,
     "print.print_in_color": true,
     "print.print_paper_height": " 11.00",
     "print.print_pagedelay": 500,
     "print.print_paper_size": 0,
     "print.print_unwriteable_margin_right": 25,
     "print.print_printer": "",
     "print.print_command": "",
     "print.print_downloadfonts": false,
     "print.print_scaling": "  1.00",
     "print.print_unwriteable_margin_left": 25,
     "print.print_evenpages": true,
     "print.print_unwriteable_margin_bottom": 56,
     "print.print_paper_size_unit": 0,
     "print.print_margin_right": "0.5",
     "print.print_oddpages": true,
     "print.print_bgcolor": false,
     "print.macosx.pagesetup-2": "",
  

  As to if it slows down your Firefox or your entire system, I cannot say, but some add-ons can connect to the internet in the background, for example, to check for mail or retrieve news/weather/etc. The best way to judge if the extension's bad performance is to use Firefox without it for awhile.

  The news that you pasted in your post usually comes in the DETAILS of the SYSTEM link OVER to the right of the question. Not sure what was wrong here.

  Last but not least, the forum software detected your Firefox in version 18. Is this correct?

  Version 18 is not safe; Mozilla reveals security flaws after each new version. Is something holding you upgrade to Firefox 21? Please let us know if we can offer you solutions or workarounds.

  If help > about Firefox shows 21.0 Firefox, you may need to disable the preference that is misrepresentation of your version number. See: sites say that Firefox is obsolete or incompatible, even if it's the latest version.

• kernel_task slow down the new iMac 27 "5K to a crawl

  I've owned my new iMac (OSX El Capitan 10.11.4) for more than 4 months now and have had no complaints other than those sometimes caused by the limited installed 8 GB of memory (an upgrade to 32 GB is on order).  Suddenly last week, I noticed my machine slows down considerably and heats up. Check activity monitor, I have seen that kernel_task took 200 to 400% of the CPU.  Despite the heat, I noticed that I could not hear the fan running, so I downloaded Mac Fan Control indicating the fan did not work - I took it in the center of authorized Service Apple and they confirmed that indeed the fan did not work and ordered me a new one that I expect.  I'm not sure that the fan has never worked - as I remember ever heard - I naively thought the new iMacs are just quieter.

  In the meantime, I'm trying to understand what is causing the problem kernel_task.   I noticed it uses very little CPU on most boot-up until I have load Lightroom (I'm a photographer and use this app heavily) after which zoomed up to more than 200% kernel_task, video playback has the same effect.   However, if I use only my browser for the e-mail and listening to iTunes kernel_task remains down on the only figure of % CPU and machine stay cool.   The person I talked to Apple's Service said she has seen this before and the solution was to do a clean reinstall of the operating system.   I want to save as a last resort - after setting of the fan and installing more memory.    I wonder if heat build-up missing a fan has an effect on kernel_task or help to have more memory?  In any case this is the report of EtreCheck:

  EtreCheck version: 2.9.11 (264)

  Report generated 2016-04-17 13:17:13

  Download EtreCheck from https://etrecheck.com

  Duration 05:18

  Performance: average

  Click the [Support] links to help with non-Apple products.

  Click [details] for more information on this line.

  Problem: Computer is too slow

  Hardware Information: ⓘ

  iMac (retina 5K, 27 inches, end of 2015)

  [Data sheet] - [User Guide] - [warranty & Service]

  iMac - model: iMac17, 1

  1 3.3 GHz Intel Core i5 CPU: 4 strands

  8 GB of RAM expandable - [Instructions]

  BANK 0/DIMM0

  OK MHz 4 GB DDR3-1867

  0/DIMM1 BANK

  Vacuum

  BANK 1/DIMM0

  OK MHz 4 GB DDR3-1867

  BANK 1/DIMM1

  Vacuum

  Bluetooth: Good - transfer/Airdrop2 taken in charge

  Wireless: en1: 802.11 a/b/g/n/ac

  Video information: ⓘ

  AMD Radeon R9 M395 - VRAM: 2048 MB

  iMac 5120 x 2880

  Software: ⓘ

  OS X El Capitan 10.11.4 (15E65) - since startup time: less than an hour

  Disc information: ⓘ

  ST2000DM001 disk HARD APPLE disk0: (2 TB) (rotation)

  EFI (disk0s1) < not mounted >: 210 MB

  Recovery HD (disk0s3) < not mounted > [recovery]: 650 MB

  Macintosh HD (2) /: 2.11 TB (905,59 GB free)

  Storage of carrots: disk1s2 120.99 GB Online

  Storage of carrots: disk0s2 2.00 TB online

  APPLE SSD SM0128G disk1: (121,33 GB) (Solid State - TRIM: Yes)

  EFI (disk1s1) < not mounted >: 210 MB

  Boot OS X (disk1s3) < not mounted >: 134 MB

  Macintosh HD (2) /: 2.11 TB (905,59 GB free)

  Storage of carrots: disk1s2 120.99 GB Online

  Storage of carrots: disk0s2 2.00 TB online

  USB information: ⓘ

  Broadcom Corp. Bluetooth USB host controller.

  Apple Inc. FaceTime HD camera (built-in)

  Canon Canon CAPT USB Device

  Lightning information: ⓘ

  Apple Inc. Thunderbolt_bus.

  Guardian: ⓘ

  Mac App Store and identified developers

  Kernel extensions: ⓘ

  / Library/Extensions

  com [no charge]. FTDI.driver.D2XXHelper (1.0 - SDK 10.11 - 2016-04-07) [Support]

  [no charge] expressvpn.tap (20150118 - 2016-04-07) [Support]

  [loading] expressvpn.tun (20150118 - 2016-04-07) [Support]

  / System/Library/Extensions

  com.Wacom.kext.wacomtablet [no charge] (Tablet Wacom 6.3.15 - 2 - SDK 10.11 - 2016-04-07) [Support]

  Launch system officers: ⓘ

  [loaded] 7 tasks Apple

  [loading] 154 tasks Apple

  [operation] 77 tasks Apple

  Launch system demons: ⓘ

  [loaded] 45 tasks Apple

  [loading] 155 tasks Apple

  [operation] 88 tasks Apple

  Launch officers: ⓘ

  [no charge] com.adobe.AAM.Updater - 1.0.plist (2016-04-12) [Support]

  [failure] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a... plist (2015-12-14) [Support]

  [operation] com.adobe.AdobeCreativeCloud.plist (2016-02-14) [Support]

  [loading] com.google.keystone.agent.plist (2016-03-02) [Support]

  [loading] com.oracle.java.Java - Updater.plist (2015-11-22) [Support]

  [operation] com.wacom.wacomtablet.plist (2015-11-04) [Support]

  [operation] jp.co.canon.CUPSCAPT.BG.plist (2015-08-23) [Support]

  Launch demons: ⓘ

  [loading] com.adobe.ARMDC.Communicator.plist (2015-12-14) [Support]

  [loading] com.adobe.ARMDC.SMJobBlessHelper.plist (2015-12-14) [Support]

  [operation] com.adobe.adobeupdatedaemon.plist (2016-04-12) [Support]

  [loading] com.adobe.agsservice.plist (2015-11-22) [Support]

  [loading] com.cocoatech.pathfinder.SMFHelper7.plist (2015-11-22) [Support]

  [loading] com.expressvpn.tap.plist (2016-02-11) [Support]

  [loading] com.expressvpn.tun.plist (2016-02-11) [Support]

  [loading] com.google.keystone.daemon.plist (2016-03-02) [Support]

  [loading] com.microsoft.office.licensing.helper.plist (2010-08-25) [Support]

  [loading] com.oracle.java.Helper - Tool.plist (2015-11-22) [Support]

  [operation] com.surteesstudios.hddfancontroldaemon.plist (2014-06-03) [Support]

  [loading] com.wacom.displayhelper.plist (2015-11-04) [Support]

  User launch officers: ⓘ

  [loading] com.adobe.AAM.Updater - 1.0.plist (2015-11-22) [Support]

  [loading] com.bittorrent.uTorrent.plist (2015-11-23) [Support]

  Items in user login: ⓘ

  Fan of Macs control application (/ Applications/Mac Fan Control.app)

  Dropbox application (/ Applications/Dropbox.app)

  Other applications: ⓘ

  [operation] 2BUA8C4S2C.com.agilebits.onepassword - osx-helper

  [ongoing] com.adobe.CCLibrary.78432

  [ongoing] com.adobe.CCXProcess.53472

  [operation] com.adobe.acc.AdobeDesktopService.77152.F4AF8B93-6EA8-4645-B6BA-A978E4ACF8E1

  [ongoing] com.Adobe.accmac.75232

  [ongoing] com.crystalidea.MacsFanControl.992

  [ongoing] com.etresoft.EtreCheck.189792

  [ongoing] com.getdropbox.dropbox.104032

  com.rockysandstudio.Memory-[ongoing] Diag.104992

  [loading] com.rockysandstudio.Memory - Diag.Launch - Helper

  [ongoing] com.wacom.TabletDriver.143712

  [ongoing] com.wacom.WacomTouchDriver.143392

  [loading] 398 tasks Apple

  [operation] 198 tasks Apple

  Plug-ins Internet: ⓘ

  AdobeAAMDetect: 3.0.0.0 - SDK 10.9 (2016-04-12) [Support]

  QuickTime Plugin: 7.7.3 (2016-03-22)

  AdobePDFViewerNPAPI: 15.010.20060 - SDK 10.8 (2016-03-09) [Support]

  AdobePDFViewer: 15.010.20060 - SDK 10.8 (2016-03-09) [Support]

  Default browser: 601 - SDK 10.11 (2016-03-22)

  SharePointBrowserPlugin: 14.0.0 (2010-08-25) [Support]

  WacomTabletPlugin: WacomTabletPlugin 2.1.0.6 - SDK 10.9 (2015-11-04) [Support]

  JavaAppletPlugin: Java 8 updated 66 17 (2016-02-12) check the version of build

  3rd party preference panes: ⓘ

  Fan HDD control (2016-04-16) [Support]

  Java (2015-10-07) [Support]

  WacomTablet (2015-11-04) [Support]

  Time Machine: ⓘ

  Skip system files: No.

  Mobile backups: OFF

  Automatic backup: YES

  Volumes to back up:

  Macintosh HD: Disc size: 2.11 TB disk used: 1.21 TB

  Destinations:

  [Network] data

  Total size: TB 3.00

  Total number of backups: 38

  An older backup: 04/01/16, 11:17

  Last backup: 17/04/16, 11:39

  Backup disk size: too small

  Backup TB 3.00 size < (disc 1.21 TB X 3)

  Top of page process CPU: ⓘ

  6% WindowServer

  kernel_task 2%

  Synchronization of 0%

  0% AdobeUpdateDaemon

  0% captmoncnabc

  Top of page process of memory: ⓘ

  803 MB kernel_task

  262 MB mdworker (14)

  213 MB Adobe CEF Helper (2)

  Mds_stores 156 MB

  156MO Dock

  Virtual memory information: ⓘ

  1.90 GB of free RAM

  6.10 GB used RAM (3.39 GB being cached)

  Used Swap 0 B

  Diagnostic information: ⓘ

  17 April 2016, 12:56:18 test - passed

  Any suggestions would be greatly appreciated.

  In the meantime, I'm trying to understand what is causing the problem kernel_task.

  Bad fan is the cause. The machine is to be limited to avoid overheating.

• Never connect some WiFi networks...

  Sometimes, when you are traveling I'll find myself looking to take advantage of the wifi airport... about 50% of the time my mac connected without problem. The rest of the time he is there right and acts like it is connected but nothing never loads in the browser.  This happens only on wifi networks that require some sort of "disagreement with the terms" screen or a paywall.   If I leave everything and restart then sometimes it fixes, but not always, and it's a terrible solution.

  Anyone know why this kind of thing happen?

  If you connect OK 50% of the time, then you are doing very well.

  AirPort WiFi networks are often overcrowded with too many users trying to use the same network at the same time. In this case, the result is slow... or not... connections. Nature of the beast, I'm afraid.

  If you belong to a club of the airline which offers separate private space for its members, the WiFi in these areas almost always works fast and reliable.

  One thing that might help a little... is to remove from the list of networks that your MacBook has signed in the past, allowing him to quickly find available networks when you need a connection.

  Open System Preferences (gear on the dock icon)

  Open Network

  Click Wireless on the left to highlight Panel

  Click the Advanced Options button at the bottom right of the window

  Here you will see a list of wireless networks that your MacBook is connected to in the past

  Click on the name of a network that you no longer need to highlight

  Then, click on the - (less) button at the bottom of the list to remove this network

  Do the same for all the other networks that you no longer need

  Click OK at the bottom right of the window

  Click apply in the next window that appears

  Close the windows and then restart your MacBook