2015 Macbook Air - download speed between 3 Mbps and 100 kbps avg.

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• Backups Time Machine very slow on 2015 MacBook Air

  Associated with a topic of discussion between a few days ago (two MacBooks, 10.11.4, a fast Time Machine backup and a very slow), I start a new topic with new information that seem to show it is a problem more general and not related to Time Machine networks.

  Here's the situation:

  • A 2015 MacBook Air, 10.11.4, 8 GB / 512 GB, has extremely slow performance of backup Time Machine, taking 40 hours for the first 300 GB backup and incremental backups for a long time as well
  • TM performance is essentially the same whether on the network (wired Ethernet) or a USB3 external disk
  • When you back up to disk USB3, I confirmed that the information system shows that the port is configured as USB3, not USB2 (nothing else is plugged into the USB port)
  • Tests of bandwidth I/O gross (using dd and iperf) show no problem; the network reached 110 MB/s bandwidth, written network managed at 50 Mbps, external USB3 HD written work at 40-50 MB/s (write hard drive speed limit)
  • 3 other Macs of various ages from 2009-2014 on the same network have no problem at all do backups Time Machine Network; a backup complete first on a 2011 MacBook Pro 500 GB takes 5 hours or more than 10 x faster than the MBA problem
  • Time machine network uses a Linux server running the latest Debian and Netatalk 3.1.8 and the connection is via a USB3/Gigabit adapter, no WiFi, and iperf tests with this arrangement shows 900 MB/s of throughput of the server.  In all cases, the Time Machine and external time Machine Network USB HD have the same symptoms.
  • The problem with MacBook Air is configured the same as the MacBook Pro 2011, which she replaced "daily driver", possible
  • This problem was shown by the MBA since his unboxing conversion, taking 20 hours for his first backup once Setup initially.  Incremental backups now take several hours, leading to interrupted incremental backups and, I believe, databases corrupted backup triggers new full backups that take today the 40 hours.

  Using Terminal Server and iostat, Console, etc, I see that there is significant activity e/s for the backup drive on the order of 20 to 40 MB/s for long periods on the MBA during the TM backup, but during that time the average declared backup size as shown in the window in the console and TM is growing by only 5 GB/hour.  This occur even if the backup will the external drive or a network drive. This seems to mean that the I/O bandwidth to and from the disk hard external, only 1/600 contributes to the progress of the backup.  I am sure that there is overload of certain checks and other tasks, but not to a 600-to-1 ratio.

  I tried to disable the limitation of the I/O of low priority as shown here: http://apple.stackexchange.com/questions/212537/time-machine-ridiculously-slow-a close-el-capitan-upgrade, that helps a bit (maybe 20-30%), but not by a factor of 10 for others.

  I have gone through a number of the Time Machine of Pondini troubleshooting steps, but he found nothing corresponding to these symptoms.

  The only thing I can conclude is that Time Machine, the application or configuration, on this specific MBA, is down. (A single thought that I wrote this to the top that I have not tried: the MBA and the time MBP running VMware Fusion and have a file of 50 + GB VM; on the MBA that is not excluded from TM backups while on the MBP is)

  Does anyone have advice on what to watch next?  In all cases, only one key would be why it seems that only 0.16% of all the bandwidth I/O to the backup drive seems to be actual data backup.

  Once again, three other Macs, all running the same 10.11.4, back to the Time Machine Server perfectly and have for years.  Only this new MBA glue as broken out, either to a network drive or an external hard drive USB3.

  (A single thought that I wrote this to the top that I have not tried: the MBA and the time MBP running VMware Fusion and have a file of 50 + GB VM; on the MBA that is not excluded from TM backups while on the MBP is)

  What happens when you exclude it as the MBP?

• Hi, I bought a new Apple MacBook Air yesterday of FNAC in Geneva, and when I got it home I couldn't go beyond the black bar. In the end, I got a white circle with a slash and a black screen. Please tell us what to do. Thank you.

  Hi, I bought a new Apple MacBook Air yesterday of FNAC in Geneva, and when I got it home I couldn't go beyond the black bar. In the end, I got a white circle with a slash and a black screen. Please tell us what to do. Thank you.

  Bring her back. It's new, it's at the shop for sorting or replace it, not you to try to fix it.

• I have an iPhone and a MacBook Air 11 '' 6. iPhone 6 syncs and backup icloud. I can access iCloud via the net on MacBook.  The problem is that I can't get the MacBook to sync with iCloud.  How can I do this?  Help, please. Thank you.

  I have an iPhone and a MacBook Air 11 '' 6. iPhone 6 syncs and backup icloud. I can access iCloud via the net on MacBook.  The problem is, I can't get the MacBook to sync with iCloud.  How can I do this?  Help, please. Thank you.

  What, in particular, looking to sync with the Mac iCloud? If you mean things like Contacts, calendars, Notes, etc., then you want to go in under the  system preferences, click the iCloud and connect to iCloud there with your iCloud ID. Then select which items you want to sync'd via iCloud.

  What - what are you trying to do?

  See you soon,.

  GB

• 2015 MacBook Air SSD adapter

  I'm working on an Air of MacBook 2015 for a customer.  The user spilled liquid on the keyboard, and now it does not start.  They took for a genius, whose repair estimate was high enough that they decided to buy a new MBP instead.  I restored their data from a backup and they are in good shape now, but now I want to wipe SSD of the MBA to keep their personal data to end up in the wrong hands.  Two days later and I still can't find an adapter that will allow me to access the drive on another Mac (I don't have an another MBA from 2015 to use).  Any of you know where I can find an adapter to do so, in order to connect to it and wipe it off?  Here are the specs:

  MacBook Air Core i5 - early 2015

  Model #: A1466 (EMC 2925)

  256 GB SSD (Samsung model #: MZ-JPV256R/0 has 2)

  The SSD has a 16 + configuration 12 pins on one side and a configuration pins 11 + 14 on the other.

  Link for reference: http://www.memory4less.com/samsung-ssd-mz-jpv256r-0a2

  I know Macs is very much a moving target because they always change their configurations, but this model came out a few years, and I'm a little surprised that I can't find any SATA or USB adapter for it.  Any ideas how I can erase the disc without physically assault would be greatly appreciated.

  OWC can have a speaker or you can find them on Amazon. Depends on what the SSD card is exactly in the computer. Some Apple computers do not use the standard pinout that Samsung and other manufacturers use to commercial cards, instead they use those who are owners. However, if the card has been damaged then it will be useless.

  Standard PCIe SSD cards have only a pinout on the map, not two, as you can see in the link you provided.

• can I put sad early 2015 macbook Air

  I have only 120 GB of storage on my mac and I would like to upgrade the DSS on this subject and I was wondering if I could replace it with a new one on eBay is the one I was thinking of getting http://www.ebay.com/itm/256GB-PCIe-SSD-Apple-MacBook-Air-11-A1465-Early-2015-MJV 271894416036 M2LL-A-MJVP2LL-A-/? hash = item...

  It is possible, but not easy and may void your warranty. This player will probably work.

  Here is one

  https://www.iFixit.com/teardown/MacBook+Air+13-inch+early+2015+teardown/38266

  Step by step guide:

  https://www.iFixit.com/Guide/MacBook+Air+13-inch+early+2015+SSD+replacement/3853 5

• installation of Ubuntu on early 2015 macbook air

  I tried to install ubuntu 15.04 to my 11-inch macbook air 7, 1 (early 2015) and when I boot ubuntu from my USB key with instructions for mac, the ubuntu installer does not detect my MacBook 128 GB hard drive

  Seek assistance at www.ubuntu.com, where they have their own forums. These forums are limited to Apple products. Ubuntu is not an Apple product.

• Brand new (end of 2015) MacBook Air turning wheel Rainbow. How can I stop it?

  How to stop the spinning Rainbow wheel on my new MacBook Air?

  It is collateral to take service: you can make an appointment at the Apple Store - Genius Bar store and bring it into service. You can also search an Apple Store - find a store - Apple.

• We have a macbook air family.  I've implemented and have admin status and have put in place the other members of the family as users.  However if the unit is turned off, other users cannot connect without me logging in first.

  MacBook Air (13 inch, early 2015)

  10.10.5 Yosemite

  Intel Core i7 2.2 GHz

  4 GB 1600 MHz DDR3\

  Intel HD Graphics 6000 1536 MB

  We have a macbook air family.  I have set up on the purchase and created accounts for family members, but if the unit is turned off, they are all unable to access the boot until I connect and select their code.  If I do this, what they see on the splash screen is my ID.  Of course, I do not share my password with anyone, so it becomes a problem when I'm out of the House.  Please can you help me?

  Do you have system preferences > users and groups > Login Options set up like that?  You should.

  

• Download speed slow r7000 (wired and wireless)

  I have the R7000 for about a year now and originally, I had the good download and upload speeds that corresponds with my ISP rates.

  Right now my ISP (cable) delivers 120 Mbps down and 12 Mbps to the top.

  However, I read an article on a website it my ISP would start by increasing the speed down to 150 Mbps and that in some areas what was already available.

  That of why I unplugged my modem and plugged again after a 2 minute order to restart/reset and hoped for greater speed.

  When I used several speedtesters (speedtest.net, my ISP speedtester, speedtest.nl, etc.), all came to the same result, approximately 90 Mbps down and 12 Mbps to the top.

  Yesterday, I did the test on 2 separate wired computer (HTPC and desktop).

  After connecting my HTPC directly to the modem and the test I got good publicity (120 Mbps down) and 12 Mbps speeds upward.

  Therefore, it is certainly connected to the router.

  Today, I also tried by Ookla's speedtest.net on my S5 Galaxy with 5G wireless and got the same bad results as with the wired connection (90 Mbps down) and 12 Mbps up.

  I am also on a channel that is not occupied by another user.

  I also noticed that the firmware version higher on the R7000 support site is 1.0.4.30, but when I look in the upper right of the router web INTERFACE it shows the version of the firmware V1.0.5.48_1.1.79.

  How is that possible?

  In addition next to the Advanced Settings tab, there is a message that a new firmware is available.

  When I click on this message the router tries to connect to the server to download the Netgear firmware, but after a few seconds it told me that there is no new firmware available.

  I read here on the forum of others with similar problems and tried to revert to a lower firmware version.

  But I could not find an answer to this version referred to a firmware that works best.

  My questions:

  (1) what would be the first thing to try?

  (2) when to return to a previous firmware, what is the best firmware choose?

  (3) what is the correct procedure for the recovery of firmware?

  P.S. for your upload and download QoS information is always off.

  Indeed, the RAM has solved the problem.

  P.S. I accidentally marked the answer of Tarund as the answer to my question.

  Can you please remove that?

• s5610f: computer does not recognize the download speed of 200 Mbps.

  I've updated from Time warner to 200 Mbps cable. The computer will not more then 70mbps. TWCable technology said that it is the computer and not the router because he checked with his instrument and it gets 212mbps. I called hp support and I'm not the warranty.  Anyone who has had the same problem and solved, please let me know. Thank you

  Anyone that tells you all you need is a few adjustments of parameters just smoke breath.  None of those you noted or both, that I linked will provide Gigabit Ethernet, which is what you need.

• Hi __My download speed is slow going as 5/kbps and when I'm in line to make a download speed test it says I should do around 5/Mbps! I don't understand why it's going so slow.

  If there is any advice you can give me would be much appreciated. Thank you!!!

  1. turn on the cable/dsl modem and router (if you have a router).

  a. disconnect the modem.
  b. unplug the router.
  c. wait 30 seconds.
  d. reconnect the modem - wait until all the lights came and how they should be.
  e. connect the router.

  Test now. If still slow, test with another computer if possible. If the other computer is too slow, call your Internet service provider. If the other computer is fast, but your computer is slow, you know that the problem is on your local computer.

  At this time start with the basics:

  2. the first Question of troubleshooting: If the problem is new, what has changed between the time things worked and the time they do not have?

  The second issue of Windows troubleshooting: what is the status of virus/malware of the machine? If you think it's clean, what programs (and versions) allows you to determine this?

  Make sure that the computer is clean:
  http://www.elephantboycomputers.com/page2.html#Removing_Malware
  MS - MVP - Elephant Boy computers - don't panic!

• MacBook Air has fallen down the stairs and hit a wall

  I got my backpack open with my macbook to the inside and I was dragging down the stairs, not noticing that the Backpack was opened and at halfway down the stairs (about 3 steps down, carpet stairs), my macbook slipped on the backpack and fell down the stairs hit a wall.

  I rushed to my macbook, there was only a dent on the side but nothing major, I turned it on and everything is quite normal, login screen is correct...

  Everything seems fine, I just want to know if I need to check for any serious damage, may be for Apple... etc.

  I had great fear, I had dropped my macbook on carpet floor about 2 or 3 times, he fell on the wooden floor, there was no serious damage, there are a few bumps on the side, but nothing super serious.

  And once again; Everything seems fine, I just want to know if I need to check for any serious damage, may be for Apple... etc.

  If it was my computer, I certainly will consider to Apple.  Let them watch over and advise you how to proceed.

  I hope you have a good backup!

• I7-920 CPU temperatures range between 54 ° C and 100 ° C.

  Hello.

  I hope someone can advise me here.

  My hearts of the i7-920 processor reached during the analysis of my PC with Windows 7, Microsoft Security Essentials, the following temperatures without running other applications.

  

  My BIOS showed the following readings.

  Discount on zero case status open	[Disabled]
  Case opened	Yes
  VCore	1.252V
  DDR15V	1.536V
  + 3, 3V	3.296V
  + 5V	5.080V
  + 12V	12.112V
  The current system temperature	41 ° C.
  Temperature identified	92 ° C
  Current temperature of health maternal and child	48 ° C.
  Current CPU FAN speed	2368 RPM
  Current speed of FAN2 SYSTEM	0 RPM
  The current ELECTRIC FAN speed	2636 RPM
  Course SYSTEM FAN1 speed	3426 RPM

  My PC has 6 fans:

  1 fan on the CPU cooler intel standard.

  1 fan at the top of the case,

  1 fan on the back of the case,

  1 fan on the front of the case to 5 hard drives,

  1 the power supply fan, and

  1 fan on the graphics card.

  They are all clean and running.

  With only currently running Firefox, my CPU temperature readings are as follows.

  

  Should I be concerned about these temperatures?

  Yes.

  Cooling is quite inadequate. Time slowed by the 920 stock speed should not be more than around 30-35 degrees C and under load not more than 65 degrees. Stock cooler can add a few degrees, because he is not good at all, but there is also an insufficient air flow in the case of cause these absurd time. It is very detrimental to the longevity of the CPU.

  I suggest that you get a good third-party CPU cooler with push-pull configuration, like CoolerMaster, Noctua or Prolimatech and good thermal paste, correct the internal airflow with cable management good or get a larger case. Report your progress.

• The MacBook MacBook Pro vs the 2015 2012 Air

  I'm currently looking in laptops refurbished Mac as a device to program in XCode on and use it as a laptop school.

  My options seem to be the 2012 MacBook Pro vs. MacBook Air 2015. While my main focus will be programming, I need my computer to be able to handle other tasks. My complaint with the laptops has always been the General slowness are associated, when they become easily outdated. In the MacBook Air, much higher transfer speeds of flash memory should help, but the big difference of GHz between the two processors will be a problem?

  In the 2012 MacBook Pro, it runs at 2.5 GHz with a Turbo Boost to 3.1 GHz.

  In 2015 MacBook Air, it runs at a meager 1 .6GHz, but the Turbo Boost can reach up to 2.7 GHz.

  Big Turbo Boost of the MacBook Air, it seems competitive, but it will never really reach this clock speed? I've never owned a Mac for myself, and while the Turbo Boost looks impressive on paper, I do not understand if Turbo Boost is effective when it is actually implemented or not.

  Unfortunately, I'm used to my 4.0 GHz custom PC, so it is difficult for me to understand the magnitude of these small clock speeds and Turbo Boost.

  All opinions welcome, thank you for your thoughts!

  Hi milehigh3r

  In this article MBP = MacBook Pro and MBA = MacBook Air the MBP specific I compare the MBA with is Late 2012 15"

  Two of these laptops have there for and against.  I'm assuming that you look the MBP 15 "and 13" MBA

  In the MBP i7 would also go more high as you say that its Turbo clock is 3.1 GHz which means that it is the fastest frequency, he's going to go.

  Pros of the MBP (MacBook Pro)

  Retina display (Macbook air is not equipped with a Retina display)

  Can use up to 16 GB of Ram

  There are also more ports on the MBP

  All CPUS MBP is i7 which means you would get the benefit of technology hyper threading which creates a 4 additional virtual cores.  What will make it a 8 Core CPU.

  the MBA would not have this functionality if you upgrade the $130 extra for the i7 (Note: this i7 in the MBA is only a Dual Core)

  The MBA Pros / Cons

  Latest generation ports (Thunderbolt 2 (Thunderbolt 1 is on the MBP))

  You cannot install any OS prior to OS X 10.11 El Capitan

  To conclude I totally recommend that you go for the MBP because you have found the two nuclei and i7 in standard, you can also get much better display.  Also all Apple products Refurbished come with new batteries (I would say that you go to a class A which means better conditions).  Try to get a SSD if possible as they will make it lot faster on the start menu to the top of the OS and applications.

  Need anything better explaining it, or have any questions feel free to answer me.