MacBook Pro a mess (maybe after upgrading to El Capitan)

Similar Questions

• MacBook Pro(MID-2012):Issues after Upgrading to El Capitan

  I use Macbook Pro mid-2012 version. After upgrading to El Capitan, I am facing a lot of questions.

  (1) the DMG files does not open. said hdiutil attach has busy resource failed.

  (2) my Macbook Pro will not stop completely.

  (3) my systems updates install completely. They hit each other between installation (had to force quit)

  ' (4) ' about this Mac ' gets hit when trying to access storage tab.

  Any suggestions?

  Your MBP was working perfectly before the update?

• Office jet Pro L7780: Office Jet Pro L7780 stopped scanning after upgrading to El Capitan

  After the upgrade to El Capitan I can't us the scan function.  I deleted and reinstalled the driver.  Scanner does not appear.  I tried to install HP "Easy Scan" and it says that the scanner is not available. What to do?

  Thank you

  Ron

  Hi @danorske,

  Welcome to the Forums of HP Support! I see that you have problems of analysis, after upgrade to El Capitan. I will do my best to help you with this problem. If this helps you to find a solution, please click on the button "Accept as Solution" down below in this message. If you want to say thanks for my effort to help, click on the 'Thumbs Up' to give me a Kudos.

  Please try the steps listed in this document, Printers HP - Scanner USB connection is lost (Mac).

  If the network printer, please use this document, Printers HP - Scanner card WLAN is lost (Mac).

  Probably the step to reset the printing on Mac system, will help you in this situation.

  How is the printer connected?

  Please let me know the results and if there is anything else I can help you. Thank you.

• MacBook Pro running slow even after upgrade

  I have a MacBook Pro 13 inch model mid 2012, which had 4 GB of RAM, 500 GB hard drive, processor i5 2.5 Ghz, Intel HD Graphics 4000 1536 MB and running on OSX El Capitan version 10.11.5. I upgraded my RAM from 4 GB to 8 GB, still my Mac is slow. Apps for open at the usual time, he used to take when I had 4 GB of RAM. I bought the RAM correct as required by the specification of the laptop from the apple Web site. I tried all possible measures to increase my speed of laptop by Google but there was a lot of difference.  Help, please!

  There are 2 things you can try to improve the speed of your MacBook Pro.

  1 backup all your data, then on boot hold down CMD + R, then open disk utility and format your hard drive. You go to install a new copy of Mac OS x.

  2. follow the same steps as above but swap your hard drive outside with a SSD before doing the CMD + R reset tactical.

  MAKE SURE THAT YOU BACK UP YOUR DATA FIRST

  I have the same machine and had the same problem, my MacBook Pro is faster than ever.

• MacBook pro emits 3 beeps after upgrade memory

  Hello... I am trying to improve my Macbook Pro 4 GB to 8 GB memory, however, when I start the laptop it emits 3 beeps, without loading the operating system and just keep it. I saw that others had the same question, but mine seems to be a little different.

  The Macbook I have is a mid-2009 and OSX El Capitan.

  I'm sure that's not on the Rams is not inserted properly or dusty slots etc. because when I try one of the new RAMs (4GB) with one of the old RAMs (2 GB), it works fine. In other words, I can pass it to 6 GB. But everytime I try 2 x 4 GB, it fails.

  I've tried 2 different sets of 4 GB RAM, a couple was second hand, the other Crucial nine pair. They are 204-pin DDR3 SO-DIMM 1600 (PC3L 12800) Rams, which seems to be the correct type.

  I already tried all of the various combinations of these 6 Rams (2 old 2 GB and 4 new 4 GB). The 'old' are still working fine. Any combination of 6 GB, regardless of the RAM use what slot, also works fine. Any combination of 8 GB does not work.

  So, I know that the Rams are ok. Slots are okay. How I insert is ok. This machine is supposed to be expandable to 8 GB. I don't know what else can be wrong. When it's 4 GB or 6 GB, it works very well, even if a bit slow since I installed El Capitan, this is why I'm upgrading from memory.

  Any advice would be appreciated.

  What is the model number of your system?  Go to Apple, about this Mac menu, more info, report system.  Tell the model identifier.

  MacSales.com and crucial.com have to say the exact type you need guides of memory and they will tell you how you can really put in (Apple body tells you what they tested at the design/production, not what post-production has proved to be possible).  EveryMac.com also has lists of very good specifications on Mac.

• MacBook pro stuck on reboot after upgrade

  Try to install the 10.11.4 last updated on 2015 MacBook pro. All went well until the reboot. Status is stuck slightly more at halfway, I'm afraid to stop - but it has been in the same place for more than an hour (white bar just above the "n" in "restart")

  Never mind.  Powered down, rebooted and it seems to work very well.

• My MacBook Pro won't start after update to El Capitan, how can I go back?

  Hello

  I really hope that someone can help me here. I've updated to El Capitan Yosemite yesterday through software update, but now when I start the computer I get "no entry" or sign a circle with a diagonal line through it, or the Apple with the progress bar / error message / black screen and it repeats 3 times then stops.

  I'mnot you know where my disk of Mac OS x is so ideally don't want to reinstall the whole system.

  I did a back up of my work using Time Machine before saving, so I hope that I have most of the things I need backup.

  Restart by pressing cmd - R after the tone. It should boot into Recovery. From there, use disk to check/repair disk utility. Quit disk utility and reinstall OS X.

  The circle with a slash through it means that it does not find the necessary boot files.

• Mac Book (end 2008) not dΘmarre after upgrading to El Capitan 2016 (1511.3.1)

  Mac Book (end 2008) not dΘmarre after upgrading to El Capitan 2016 (1511.3.1) in order to prepare for Sierra

  I tried safe mode > disk utility, which took a lot of time and the disc seems to be OK.

  Extensions have nucleuses, almost all these .kext, but I'm not able to get rid of them.

  -What do you mean by? "Extensions have nucleuses, almost all these .kext, but I'm not able to get rid of them."?

  Did you delete anything?

  -The Mac can't you start mode (boot with the SHIFT key) safe?

  -Try to reset memory NVRAM/PRAM and SMC

  MacIntel: Reset of the controller (SMC) system management

  https://support.Apple.com/en-us/HT201295

  Subject of memory NVRAM and PRAM

  https://support.Apple.com/en-us/HT204063

  -Try to start safe mode

  OS x: what is Safe Boot, Safe Mode?

  https://support.Apple.com/en-us/HT201262

  -Start to recovery and repair the startup disk

  OS X: on OS X Recovery - Apple Support

  https://support.Apple.com/en-us/HT201314

  -If it is repairable reinstall the OSX

  How to reinstall OS X on your Mac - Apple Support

  https://support.Apple.com/en-us/HT204904

  -If you do not have a backup using disk utility to restore the internal drive to an external drive, so that you can try to recover the data.

  Format the boot disk and then do a fresh install of Mac OS x

• Import old box Inbox and sent in the Mail after upgrading to El Capitan

  There has been much discussion about the e-mails lost after upgrade to El Capitan, but I have not seen this particular question.

  I discovered that, like many others, all emails in my Inbox and in my sent folder to leave before the upgrade had disappeared. The issue has not affected the emails I had moved to folders.

  Open the mail library file (in the Finder, hold down the Option key selecting go to the top menu and the library appears), I discovered that Mail was created a new file V2, account, while the old one, V3 (created in 2013), sitting next to her. Go by the size files, it seems fair to assume that the V3 still contains my "lost" emails

  So, I don't know if the bug is that a new V2 should have been created at all, or is it a sync error, or something else. What I know is that when I try to import the items from Inbox and sent from the V3, I get an error message telling me that no mbox valid was found. This is patently false.

  I also tried to copy on an external hard drive, gave them a different name, but even then I couldn't import them. Reconstruction did not help either.

  Anyone able to help? I have a few crucial e-mails out there, and I try to avoid the upgrade...

  

  Address postal (El Capitan): import or export the mailboxes

• I can't import my LR6 RAW files after upgrade to El Capitan...

  I can't import my LR6 RAW files after upgrade to El Capitan...

  External drive is formatted in NTFS in Windows format, and you HAD a utility installed in your earlier version of Mac OS X to what OS X write on a NTFS formatted drive. Mac OS X cannot do it by itself. As you upgrade to OS X 10.11 is removed and or disable this utility causing OS X see this drive read-only (OS X can read NTFS disks formatted in native mode, but cannot write to them natively). You will need to reinstall this utility and or get a updated version of this that works with El Capitan.

• 2011 Macbook Pro late since the SSD upgrade

  Hello world. Just a heads-up that is my first question. Also, I like to think I'm good with computers but I'm no computer programmer, so I will try to describe my problem the best I can. My friend (who does) has updated my macbook at the beginning of 2011 pro with an SSD (brand is Crucial and 480 GB). As a side note we also tried with a Kingston brand and had the same problem. I'm pretty confident, that it was installed correctly. Since the upgrade, some functions are faster. For example open Google Chrome is faster than before the upgrade. I have problems when I look at the files and the use of the files stored on my hard drive. For example, when I watch a video that is saved on my hard drive on VLC (Quicktime) it will freeze all the minutes for at least thirty seconds. Also scroll through files Finder can lead to this gel. We are not quite sure what the problem is (my friend, so that good with the Mac is more of a PC guy). I saw other people posting here and thought maybe you all could help! I noticed that EtreCheck is very popular, so I made one of these reports for more details. I appreciate any feedback you can offer

  EtreCheck version: 2.9.11 (264)

  Report generated 2016-04-28 09:11:20

  Download EtreCheck from https://etrecheck.com

  Time 02:34

  Performance: Excellent

  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: ⓘ

  MacBook Pro (13 inch, early 2011)

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

  MacBook Pro - model: MacBookPro8, 1

  1 2.3 GHz Intel Core i5 CPU: 2 strands

  4 GB of RAM expandable - [Instructions]

  BANK 0/DIMM0

  OK 2 GB DDR3 1333 MHz

  BANK 1/DIMM0

  OK 2 GB DDR3 1333 MHz

  Bluetooth: Old - transfer/Airdrop2 not supported

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

  Battery: Health = Normal - Cycle count = 632

  Video information: ⓘ

  Intel HD Graphics 3000

  Color LCD 1280 x 800

  Software: ⓘ

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

  Disc information: ⓘ

  Crucial_CT480M500SSD1 disk0: (480,1 GB) (Solid State - TRIM: Yes)

  EFI (disk0s1) < not mounted >: 210 MB

  Macintosh HD (disk0s2) /: 479,24 (Go 333,45 free)

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

  MATSHITADVD-R UJ-898)

  USB information: ⓘ

  Apple Inc. FaceTime HD camera (built-in)

  Apple Inc. Apple keyboard / Trackpad

  Apple Inc. BRCM2070 hub.

  Apple Inc. Bluetooth USB host controller.

  Computer, Inc. Apple IR receiver.

  Lightning information: ⓘ

  Apple Inc. Thunderbolt_bus.

  Configuration files: ⓘ

  / etc/hosts - Count: 15

  Guardian: ⓘ

  Mac App Store and identified developers

  Kernel extensions: ⓘ

  /Applications/other/TunnelBlick.app

  [no charge] net.tunnelblick.tap (20141104 (Tunnelblick build 4530) Unsigned - 2016-03-06) [Support]

  [no charge] net.tunnelblick.tun (20141104 (Tunnelblick build 4530) Unsigned - 2016-03-06) [Support]

  / System/Library/Extensions

  com.PCTOOLS.iantivirus.KFS [no charge] (1.0.1 - 2016-04-06) [Support]

  [no charge] com.rim.driver.BlackBerryUSBDriverInt (0.0.97 - 2016-04-06) [Support]

  [no charge] com.rim.driver.BlackBerryUSBDriverVSP (0.0.97 - 2016-04-06) [Support]

  [no charge] com.sony.driver.prs2 (1.0.3d1 - 2016-04-06) [Support]

  Launch system officers: ⓘ

  [loaded] 8 tasks Apple

  [loading] 164 tasks Apple

  [operation] 66 tasks Apple

  Launch system demons: ⓘ

  [loaded] 42 tasks Apple

  [loading] 162 tasks Apple

  [operation] 84 tasks Apple

  Launch officers: ⓘ

  [no charge] com.adobe.AAM.Updater - 1.0.plist (2012-06-23) [Support]

  [failure] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a... plist (2015-10-14) [Support]

  [loading] com.adobe.CS5ServiceManager.plist (2012-06-23) [Support]

  [loading] com.hp.help.tocgenerator.plist (2009-07-28) [Support]

  [loading] com.oracle.java.Java - Updater.plist (02 / 02/2015) [Support]

  [operation] com.rim.BBAlbumArtCacher.plist (2013-06-25) [Support]

  [operation] com.rim.BBLaunchAgent.plist (2013-06-25) [Support]

  com.sony.ReaderDesktop.RunReaderDesktop.plist [no charge] (11 / 11/2013) [Support]

  [failure] com.teamviewer.teamviewer.plist (2016-04-01) [Support]

  [failure] com.teamviewer.teamviewer_desktop.plist (2016-04-01) [Support]

  Launch demons: ⓘ

  [loading] com.adobe.ARMDC.Communicator.plist (2015-10-14) [Support]

  [loading] com.adobe.ARMDC.SMJobBlessHelper.plist (2015-10-14) [Support]

  [loading] com.adobe.SwitchBoard.plist (2012-06-23) [Support]

  [loading] com.adobe.fpsaud.plist (2016-04-16) [Support]

  [operation] com.fitbit.galileod.plist (2013-10-22) [Support]

  [loading] com.macpaw.CleanMyMac2.Agent.plist (2014-12-01) [Support]

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

  [loading] com.oracle.java.Helper - Tool.plist (02 / 02/2015) [Support]

  [operation] com.rim.BBDaemon.plist (2013-06-25) [Support]

  [loading] com.teamviewer.Helper.plist (2016-02-01) [Support]

  [failure] com.teamviewer.teamviewer_service.plist (2016-04-01) [Support]

  [loading] net.tunnelblick.tunnelblick.tunnelblickd.plist (2015-07-18) [Support]

  User launch officers: ⓘ

  [failure] com.adobe.ARM. [...]. plist (2014-07-30) [Support]

  com.apple.CSConfigDotMacCert [fail]-[...] @me.com - SharedServices.Agent.plist

  [loading] com.bittorrent.uTorrent.plist (2015-07-18) [Support]

  [loading] com.divx.agent.postinstall.plist (2012-06-26) [Support]

  [loading] com.facebook.videochat. [entrenched passage] .plist (2014-08-10) [Support]

  [failure] com.google.GoogleContactSyncAgent.plist (2012-09-30) [Support]

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

  [loading] com.macpaw.CleanMyMac2Helper.diskSpaceWatcher.plist (2014-12-01) [Support]

  [failure] com.macpaw.CleanMyMac2Helper.scheduledScan.plist (2014-12-01) [Support]

  [loading] com.macpaw.CleanMyMac2Helper.trashWatcher.plist (2014-12-01) [Support]

  [operation] com.spotify.webhelper.plist (2016-04-27) [Support]

  [loading] com.zimbra.desktop.plist (2014-06-15) [Support]

  [failure] net.tunnelblick.tunnelblick.LaunchAtLogin.plist (2015-07-10) [Support]

  Items in user login: ⓘ

  Workflow application (/ Applications/Flux.app)

  Dropbox application (/ Applications/Dropbox.app)

  Request for BetterSnapTool (/ Applications/Utilities/BetterSnapTool.app)

  Agent application of file transfer Android (~/Library/Application Support/Google/Android File transfer/Android File Transfer Agent.app)

  Other applications: ⓘ

  [ongoing] com.etresoft.EtreCheck.385952

  [ongoing] com.getdropbox.dropbox.141472

  [ongoing] com.Google.Android.mtpagent.70432

  [ongoing] com.hegenberg.BetterSnapTool.50272

  [ongoing] JP.co.Canon.cijscannerregister.73632

  [ongoing] org.herf.Flux.154912

  [loading] 417 tasks Apple

  [operation] 181 tasks Apple

  Plug-ins Internet: ⓘ

  DirectorShockwave: 11.6.3r633 (2011-10-28) [Support]

  Default browser: 601 - SDK 10.11 (2016-04-04)

  Flip4Mac WMV Plugin: 2.4.0.11 (2011-11-18) [Support]

  AdobePDFViewerNPAPI: 15.010.20060 - SDK 10.8 (2016-03-14) [Support]

  FlashPlayer - 10.6: 21.0.0.226 - SDK 10.6 (2016-04-28) [Support]

  Silverlight: 4.0.60531.0 (2011-11-18) [Support]

  QuickTime Plugin: 7.7.3 (2016-04-04)

  Flash Player: 21.0.0.226 - SDK 10.6 (2016-04-28) [Support]

  iPhotoPhotocast: 7.0 - 10.8 SDK (2014-10-16)

  SharePointBrowserPlugin: 14.5.3 - SDK 10.6 (2015-07-31) [Support]

  AdobePDFViewer: 15.010.20060 - SDK 10.8 (2016-03-14) [Support]

  JavaAppletPlugin: Java 8 updated 73 02 (2016-03-20) check the version of build

  User Plug-ins internet: ⓘ

  Picasa: 1.0 (2011-03-28) [Support]

  Safari extensions: ⓘ

  Codec-M - Comtribute - http://allpremiumsoft.com/index8.php (2012-03-27)

  3rd party preference panes: ⓘ

  AppTrap (2011-05-22) [Support]

  Flash Player (2016-04-16) [Support]

  Flip4Mac WMV (2011-06-30) [Support]

  Growl (2012-06-23) [Support]

  Java (2016-03-20) [Support]

  Paragon NTFS for Mac® OS X (2016-02-15) [Support]

  Time Machine: ⓘ

  Skip system files: No.

  Automatic backup: YES

  Volumes to back up:

  Destinations:

  JuliaBS [Local]

  Total size: 999,86 GB

  Total number of backups: 19

  An older backup: 2016-02-19, 20:30

  Last backup: 2016-04-22, 07:38

  Size of backup drive: Excellent

  Backup size 999,86 GB > (disk size 0 B X 3)

  Top of page process CPU: ⓘ

  5% WindowServer

  4% kernel_task

  4% mds_stores

  1% fontd

  0% BBLaunchAgent

  Top of page process of memory: ⓘ

  479 MB mdworker (17)

  Kernel_task 466 MB

  152 MB Dropbox

  Mds_stores 74 MB

  Com.apple.PhotoIngestService (2) 66 MB

  Virtual memory information: ⓘ

  148 MB free RAM

  3.85 GB of used RAM (611 MB Cache)

  Used Swap 0 B

  Diagnostic information: ⓘ

  28 April 2016, 09:06:25 self test - passed

  April 27, 2016, 17:34:49 /Library/Logs/DiagnosticReports/softwareupdated_2016-04-27-173449_[redacted].cp u_resource.diag [details]

  / System/Library/CoreServices/Software Update.app/Contents/Resources/softwareupdated

  April 27, 2016, 17:30:02 ~/Library/Logs/DiagnosticReports/Spotify Helper_2016-04-27-173002_ [redacted] .crash

  /Applications/Spotify.app/Contents/frameworks/Spotify Helper.app/Contents/MacOS/Spotify Helper

  I had a similar experience (occasional random delay of tens of seconds) upgrade my 13 "2011 MBP ("8.1"model), but my SSD was MacSales (Other World Computing). Their customer support has been excellent. They had me download and run a program of comparative analysis (Quickbench; it was free for me but apparently now costs $15) who served the SSD and allowed them to diagnose the problem as a bad 'HDD cable. I was dubious, but I went to an Apple store nearby, and after a lot of hassle, pushed them to replace the cable and that fixes the problem.

  Of course, you might have a different problem but the defective hard drive cable is apparently quite common and appears only when you use SSDS (because of the faster transfer speeds, I guess).

  As I recall (it was several years ago), the first Apple tried to make me pay $60 for the cable, more work, before they admitted he was covered under AppleCare. It is easy to replace. iFixit carry the cable and has great instructions to replace, but they seem to be out of stock at the moment (they have a button "Notify Me" for when it becomes available again). Try a local supplier of Apple authorized (use the Locator).

  When you get your SSD is working properly, I hope that you will be very happy with it. It makes a huge difference for me.

• My Macbook Pro does'nt connect after update to 10.11.6

  Hi all.

  After update from my Macbook Pro to 10.11.6 he starts, but after entering my password, then pressing enter shows the loading animation and it is.  I let him go lastnight believe he worked at something after the update, but this morning, nothing...

  An advise, please.

  Kind regards

  Fabio

  Please take each of these steps that you have not already tried it. Some of them are not applicable to your model or your situation. Stop when the problem is resolved.

  To restart a computer is not responding, press and hold the power button for a few seconds until the unit turns off, then release, wait a few seconds and press again briefly.

  Step 1

  The first step to respond to a startup failure is to secure data. If you want to keep the contents of the boot drive and you have not already at least a current backup, you should try to back up now, before we do anything else. It may or may not be possible. If you don't care the data changed since the last backup, you can skip this step.

  There are several ways to back up a Mac that is unable to boot. You need an external hard drive to store backup data.

  a. starting the partition recovery or an hour Local Machine backup volume (button option key at startup). When the OS X Utilities appears, launch disk utility and follow the instructions in this article to support. You'll be 'restoration' the boot on the backup volume volume.

  If you use 2 FileVault, you must first unlock the boot volume. Select its icon ("Macintosh HD", unless you have given it a different name.) It will be nested under another icon of the disc. Select open in the file menu. When you are prompted, enter your login password.

  (b) If step 1 fails due to disk errors, and no other Mac is available, then you may be able to save some of your files by copying them in the Finder. If you already have an external hard drive with OS X installed, the start of it. Otherwise, if you have access to the Internet, follow the instructions on this page to prepare the external hard drive and install OS X on it. You will use the installation program of recovery, rather than download it from the App Store.

  c. If you have access to a Mac, and it work and have both the non-working Mac FireWire ports or stroke, start the Mac non-working in target disk mode. Work Mac to copy the data to another drive. This technique will not work with USB, Ethernet, Wi - Fi or Bluetooth.

  d. If the internal drive of the non-working Mac is replaceable by the user, remove it and climb into a docking station that is pregnant or an external drive. Use another Mac to copy the data.

  Step 2

  If you have booted from an external drive, make sure that the internal boot volume is selected in the pane of the system preferences Startup disk.

  Start in safe mode. Note: If FileVault is enabled in OS X 10.9 or an earlier version, or if a firmware password is defined, or if the boot volume is a software RAID, you can not do this. If you do not see the words "Safe Boot" in the start screen, you did not start in safe mode. Ask for additional instructions.

  Safe mode is much slower to boot and run as normal, and some things don't work at all, including the networks without wire on some Macs.

  The login screen is displayed even if you normally connect automatically. You must know the password for the connection to connect. If you have forgotten the password, you will have to reset it before you begin.

  If the startup progress bar gets stuck for more than a few minutes, or the system stops automatically when the progress bar appears, the boot volume is corrupted and the player is probably defective. In this case, go to step 9. If you have another problem with the player, replace it immediately.

  If you can start and log in in safe mode, empty the trash and then open the window of info on the boot volume ("Macintosh HD", unless you have given it a different name.) Make sure you have at least 9 GB of space available, as shown in the window. If you do not, copy as many files as necessary on another volume (not another folder on the same volume) and delete the originals. Deletion is not complete until you empty the trash again. This, until the space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)

  If the boot process hangs again, the problem is probably caused by third-party software you have installed. Ask for additional instructions.

  Step 3

  If the startup process stops at a gray screen together with a mobile cursor, then the logon dialog box may be active but not visible because of a bug. You may be able to connect by using the arrow keys or the cursor to select the password field and type your password as usual.

  Step 4

  Case of failure of step 3, the boot volume can be complete. If you saw previously implemented guard space drive is low, it is certainly the case. You might be able to start in safe mode , even if you cannot boot normally. Otherwise, boot from an external hard drive, or well technology for step 1b, 1 c or 1 d allows to mount the internal drive and delete some files. According to the documentation from Apple, you need at least 9 GB of free space on the boot (as shown in the Infolog) for normal operation volume.

  Step 5

  If a Mac desktop (without the built-in keyboard) crashes on a gray screen together with a mobile cursor, the keyboard may not be recognized. Hold down the button on the side of a wireless Apple keyboard to make it discoverable. If need be, replace or recharge the batteries. If you use a USB keyboard connected to a hub, connect it to a built-in port.

  Step 6

  Sometimes, a startup failure can be solved by resetting the NVRAM.

  Step 7

  If there is an integrated optical drive, a disk may be stuck in there. Follow these instructions to remove it.

  Step 8

  Press and hold the power button until the unit turns off. Disconnect all devices wired except those needed to start and remove all aftermarket expansion cards. Use another keyboard and/or mouse, if these devices are wired. If you can start now, one of the devices that you disconnected, or a combination of both, the origin of the problem. Discover that it is a process of elimination.

  Step 9

  Launch the utility disk in recovery mode (see step 1). Select the boot volume, and then run the repair disk. If problems are found, repeat until that clear. If disk utility reports that the volume is not repairable, the drive is defective and must be replaced. You can choose to tolerate such malfunction in the reader's life. In this case, delete the volume and restore it from a backup. If the same thing happens again, replace the drive immediately.

  It is one of the rare situations where you must also run repair permissions, ignoring the erroneous warnings, that it can produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.

  Step 10

  If the boot device is an aftermarket SSD, it may have an update and/or a forced "garbage collection". Instructions how to do this with a Crucial SSD of brand have been posted here. Some of these instructions may apply to other brands of SSDS, but you should check with the technical support of the provider.

  Step 11

  Reinstall the OS. If the Mac has upgraded an earlier version of Mac OS X, you need the Apple ID and password used to upgrade.

  Step 12

  Do as in step 11, but this time clear the disk utility boot volume before installing. The system should automatically restart in The Migration Wizard. Follow the prompts to transfer data from one Time Machine or another backup.

  Step 13

  This step applies only to models that have a battery logic-board ("PRAM"): all of the Mac Pro, MacBook with a removable main battery and a few others (models not updated). A flat battery logic-board may cause a boot failure. In general the failure will be preceded by the loss of the system and boot disk clock settings. Refer to the user manual for replacement instructions. You may need to take the machine to a provider of services to have to replace the battery.

  Step 14

  If you get this far, you probably deal a hardware failure. An appointment of 'Genius' to an Apple Store, or select another authorized service provider.

• my macbook pro is running slowly after update to El captain

  Hello world

  My macbook pro short slow after upgrading to El captain that can than I do to solve this problem?

  Hello. Run the check being and post here results:

  With the help of EtreCheck

• After upgrade to El Capitan in 2016, I can't download iReal Pro bought in 2014

  Hello

  in 2014, I bought iReal Pro for MacBook Pro. Recently, I upgraded my MacBook Pro to El Capitan. I'm trying to re - install iReal Pro, but I wonder the license code in email reception. Could you please point me where I can find it?

  When I try to download it again from the itunes store online asks me to pay again, while in the program itunes for iphones and ipad only apps appear.

  What are the steps I need to take to re - install iReal Pro again?

  Thanks in advance for your help.

  Best regards,

  Tora

  Contact the developer for the license code you sent again.

• MacBook Pro (13-inch, mid 2012) upgrade RAM

  I would like to ask if the RAM in the link works on MacBook Pro (13-inch, mid-2012).

  https://www.Amazon.CN/Corsair-vengeance-8-GB-DDR3-1600-MHz-PC3-12800-240-pin-DDR 3-双通道存储器组件/dp/B004CRSM4I/ref = sr_1_6? IE = U...

  Thank you.

  N °

  Upgrade memory in the Macbook Pro:

  OWC memory OWC or crucial memory Mac Crusial are good places to get the memory.

  OWC videos Install: OWC install videos

  MacBook Pro: How to remove or install memory - Apple support: How to remove or install memory

  Kim