Macbook Pro won't sleep after updating to 10.4.11

Hi,
I just updated to 10.4.11 reluctantly from 10.4.9 as whenever I do update I always have issues...I basically just went to software update last week and updated to everything I could. I've just been reading the forums and noted that updating is not always that easy...
Well basically my computer won't sleep if the lid is left open, this is IMMENSELY annoying since I often leave my desk to work on drawings, and I don't want energy being wasted like it is at the minute. Call me picky but I just want my computer to work.
I've reseted the PRAM, (option, alt, p and r), closed all applications, etc, but no luck...
Its a 2.2ghz MacBook pro, 2GB. Thank you in advance
Neal

The important thing for the future imho, is to always Repair Permissions before & after any update... seems to ward off most of these problems. Of course that is only good if the disk is Verified once in awhile.
Using Disk Utility in Mac OS X 10.4.3 or later to verify or repair disks...
http://docs.info.apple.com/article.html?artnum=302672
About Disk Utility's Repair Disk Permissions feature...
http://docs.info.apple.com/article.html?artnum=25751
In fact I'd start with those 2 now, if that doesn't help you may need to reapply some updates by getting them directly from apple>downloads.

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Macbook pro won't boot after update to 10.6.8

Hi everyone,
Yesterday I bought an used macbook pro (15 inch early 2008). When looking at it, it was in good shape and the previous owner just did a fresh install of snow leopard. I took it home and whas happy with it. In the first two hours of using it, everything was fine. After installing the update to 10.6.8 my macbook needed to be shut down.. After shutting down it started up again but the screen stayed black. I had no idea why. So I rebooted it by pressing the power button. The same problem remained, it seemed to start up (I could hear the harddrive and fan) but it didn't boot into Mac Os. After a couple of attempts, it now shutsdown immediatly after pressing the powerbutton (3 seconds after). No chime or nothing.
At first I thought this would only be a software problem, because the problem started immediatly after updating. So I put in my snow leopard dvd to boot into that, but I can't even get it to boot into the install dvd. Because it shuts down immediatly after pressing the power button. Then I started suspecting an hardware failure, which would be a very big coincidence to show up immediatly after booting up. These are the things I have tried so far, to no avail:
- Plugging of the power cord and removing the battery, then pressing and holding the powerbutton for at least 5 sec
- Holding the option, command, P and R keys during boot.
- Replacing the memory
- Replacing the hard drive
- Unplugging the super drive
- Starting up holding the d key
At a certain point I was hoping that It would be an harddrive or memory problem. I replaced both with examples I know for sure they are working. But still the same problem; macbook shuts down almostimmedialty after pressing the power button.
There is no warrany anymore, and technical support would cost me 49 euros per incident.. to probably hear that the macbook is beyond repair. I feel i have just thrown away 300 euro's for an nightmare experience. Does anybody now anything to try, i'm really desperate here

After installing the update to 10.6.8
What update was that?
So I put in my snow leopard dvd to boot into that, but I can't even get it to boot into the install dvd.
Did the previous owner also give you the discs that originally came with the computer? Those are what you need to troubleshoot with. You also need disc 1 to run the Apple Hardware Test.
There is no warrany anymore, and technical support would cost me 49 euros per incident..
Apple Store and AASP diagnostic testings are free. Suggest that you take full advantage of it. This way you can find out exactly what is wrong with your computer. Post back here with the diagnosis and someone will post DIY repair sites.

Macbook Pro won't boot after update

I have a macbook pro3,1 (early 2008) that I received from someone else. When I received it, it had os x 10.8.3 installed. Initially I tried to update it to maverick, but after it rebooted it would not boot, just continued to reboot over and over. I then was able to boot into restore mode and do a repair on the disk. After that I was able to boot into 10.8.3.
I decided to update to 10.8.5, and received the same results as before. This time I was unable to restore with a disk repair.
I also created a bootable usb with Mavericks on it. Again, it will not boot to allow an install.
I was able to boot into safe mode, but that did not fix the installation. I tried repartitioning the hard drive and install mavericks on the new partition, but that failed also.
After looking at the logs, I see that there is a kernel panic that happens. Everytime I boot normally, it seems to get just before the login screen before it reboots. Below is the log.
Sat May 31 19:34:08 2014
panic(cpu 0 caller 0xffffff7f881ad8a1): NVRM[0/1:0:0]: Read Error 0x00003250: CFG 0xffffffff 0xffffffff 0x92000000, BAR0 0x92000000 0xffffff804e3b5000 0x084700a2, D0, P2/4
Backtrace (CPU 0), Frame : Return Address
0xffffff804e00b590 : 0xffffff8007a1d636
0xffffff804e00b600 : 0xffffff7f881ad8a1
0xffffff804e00b6c0 : 0xffffff7f88512849
0xffffff804e00b700 : 0xffffff7f884f6480
0xffffff804e00b740 : 0xffffff7f884f9567
0xffffff804e00b8a0 : 0xffffff7f88272911
0xffffff804e00ba20 : 0xffffff7f882ffd5a
0xffffff804e00bc60 : 0xffffff7f882fb64d
0xffffff804e00bd70 : 0xffffff7f882ff530
0xffffff804e00bdc0 : 0xffffff7f8856a0eb
0xffffff804e00bdf0 : 0xffffff7f882ff149
0xffffff804e00be70 : 0xffffff7f88192afa
0xffffff804e00bf30 : 0xffffff7f881526ec
0xffffff804e00bf60 : 0xffffff8007a3e26e
0xffffff804e00bfb0 : 0xffffff8007ab3257
      Kernel Extensions in backtrace:
         com.apple.NVDAResman(8.1.6)[39D35403-42FB-3F08-999C-9866938D6B3A]@0xffffff7f881 4c000->0xffffff7f883effff
            dependency: com.apple.iokit.IOPCIFamily(2.8)[6C1D646D-7E5E-3D7F-A557-2CBA398FF878]@0xffffff 7f880b2000
            dependency: com.apple.iokit.IONDRVSupport(2.3.7)[F16E015E-1ABE-3C40-AC71-BC54F4BE442E]@0xff ffff7f88138000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.7)[9928306E-3508-3DBC-80A4-D8F1D87650D7]@0 xffffff7f880f5000
         com.apple.nvidia.nv50hal(8.1.6)[BF3CC142-4112-3E23-BCE2-CDCFD5811DDA]@0xffffff7 f883fb000->0xffffff7f886cefff
            dependency: com.apple.NVDAResman(8.1.6)[39D35403-42FB-3F08-999C-9866938D6B3A]@0xffffff7f881 4c000
            dependency: com.apple.iokit.IOPCIFamily(2.8)[6C1D646D-7E5E-3D7F-A557-2CBA398FF878]@0xffffff 7f880b2000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
12F45
Kernel version:
Darwin Kernel Version 12.5.0: Sun Sep 29 13:33:47 PDT 2013; root:xnu-2050.48.12~1/RELEASE_X86_64
Kernel UUID: EA38B02E-2B88-309F-BA68-1DE29F605DD8
Kernel slide:     0x0000000007800000
Kernel text base: 0xffffff8007a00000
System model name: MacBookPro3,1 (Mac-F4238BC8)
System uptime in nanoseconds: 79475358847
last loaded kext at 57319258564: com.apple.driver.AudioAUUC          1.60 (addr 0xffffff7f89b42000, size 28672)
loaded kexts:
org.tgwbd.driver.NullCPUPowerManagement          1.0.0d2
com.apple.driver.AudioAUUC          1.60
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.iokit.IOBluetoothSerialManager          4.1.7f4
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleHDAHardwareConfigDriver          2.4.7fc4
com.apple.driver.AppleTyMCEDriver          1.0.2d2
com.apple.driver.AppleHDA          2.4.7fc4
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.ApplePolicyControl          3.4.5
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.driver.AppleLPC          1.6.3
com.apple.driver.SMCMotionSensor          3.0.3d1
com.apple.iokit.IOBluetoothUSBDFU          4.1.7f4
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.1.7f4
com.apple.driver.AppleSMCLMU          2.0.3d0
com.apple.driver.AppleSMBusPCI          1.0.11d1
com.apple.GeForce          8.1.6
com.apple.driver.AppleUpstreamUserClient          3.5.12
com.apple.nvidia.NVDAStartup          8.1.6
com.apple.driver.AppleMuxControl          3.4.5
com.apple.driver.AppleBacklight          170.3.5
com.apple.driver.AppleMCCSControl          1.1.11
com.apple.driver.AppleUSBTCButtons          237.1
com.apple.driver.AppleUSBTCKeyEventDriver          237.1
com.apple.driver.AppleUSBTCKeyboard          237.1
com.apple.driver.AppleIRController          320.15
com.apple.driver.AppleFileSystemDriver          3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          34
com.apple.iokit.SCSITaskUserClient          3.5.6
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.3.5
com.apple.driver.AppleUSBHub          635.4.0
com.apple.driver.AirPortBrcm43224          600.36.17
com.apple.iokit.AppleYukon2          3.2.3b1
com.apple.driver.AppleFWOHCI          4.9.9
com.apple.driver.AppleAHCIPort          2.6.6
com.apple.driver.AppleIntelPIIXATA          2.5.1
com.apple.driver.AppleUSBEHCI          621.4.6
com.apple.driver.AppleUSBUHCI          621.4.0
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.8
com.apple.driver.AppleACPIButtons          1.8
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.8
com.apple.driver.AppleAPIC          1.7
com.apple.nke.applicationfirewall          4.0.39
com.apple.security.quarantine          2.1
com.apple.driver.AppleIntelCPUPowerManagement          214.0.0
com.apple.iokit.IOSerialFamily          10.0.6
com.apple.kext.triggers          1.0
com.apple.driver.DspFuncLib          2.4.7fc4
com.apple.iokit.IOAudioFamily          1.9.2fc7
com.apple.kext.OSvKernDSPLib          1.12
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.driver.AppleHDAController          2.4.7fc4
com.apple.iokit.IOHDAFamily          2.4.7fc4
com.apple.iokit.IOSurface          86.0.4
com.apple.iokit.IOBluetoothFamily          4.1.7f4
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.driver.IOPlatformPluginFamily          5.4.1d13
com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.1.7f4
com.apple.driver.AppleSMC          3.1.5d4
com.apple.nvidia.nv50hal          8.1.6
com.apple.NVDAResman          8.1.6
com.apple.driver.AppleGraphicsControl          3.4.5
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.iokit.IONDRVSupport          2.3.7
com.apple.driver.AppleSMBusController          1.0.11d1
com.apple.iokit.IOGraphicsFamily          2.3.7
com.apple.driver.AppleUSBMultitouch          237.3
com.apple.iokit.IOUSBHIDDriver          623.4.0
com.apple.driver.AppleUSBMergeNub          621.4.6
com.apple.iokit.IOSCSIBlockCommandsDevice          3.5.6
com.apple.iokit.IOUSBMassStorageClass          3.5.2
com.apple.driver.AppleUSBComposite          621.4.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.6
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOATAPIProtocolTransport          3.5.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.6
com.apple.iokit.IOUSBUserClient          630.4.4
com.apple.iokit.IO80211Family          530.5
com.apple.driver.AppleEFINVRAM          2.0
com.apple.iokit.IONetworkingFamily          3.0
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.iokit.IOAHCIFamily          2.5.1
com.apple.iokit.IOATAFamily          2.5.1
com.apple.driver.AppleEFIRuntime          2.0
com.apple.iokit.IOUSBFamily          635.4.0
com.apple.iokit.IOHIDFamily          1.8.1
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          220.3
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          345
com.apple.iokit.IOStorageFamily          1.8
com.apple.driver.AppleKeyStore          28.21
com.apple.driver.AppleACPIPlatform          1.8
com.apple.iokit.IOPCIFamily          2.8
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0
I received the macbook from someone else without installation disks. Also, when try to do a re-install of 10.8.3 from the internet in restore mode, it tells me that the account does not match the one the purchase was made from. I would rather not run 10.8.3 anyway if I could install mavericks.
Below is the system information for the macbook
Hardware Overview:
Model Name:          MacBook Pro
Model Identifier:          MacBookPro3,1
Processor Name:          Intel Core 2 Duo
Processor Speed:          2.4 GHz
Number of Processors:          1
Total Number of Cores:          2
L2 Cache:          4 MB
Memory:          2 GB
Bus Speed:          800 MHz
Boot ROM Version:          MBP31.0070.B07
SMC Version (system):          1.16f11
Serial Number (system):          W87422HUYAM
Hardware UUID:          00000000-0000-1000-8000-001B63A5B553
I have tried to reset nvram as well as smc with no result.
I have also done a extended apple hardware test which found no errors.
The macbook does have a bad battery, so I have tried booting without the battery. The results did not change.
I have searched the internet for the kernel panic error and can not find a consistent issue for macbook pros. Some say it is a hardware problem. Others say it is an install problem. What does not make sense to me is if it is hardware problem, why was I able to restore it back once and get it to boot consistently. It seems to be directly the result of updating the software.
I also read that 10.8.5 consistently had boot problems upon install, so I tried re-installing the combo update for 10.8.5
I feel like I have exhausted almost all the resources except taking it to the genius bar.
Please let me know if you can help.
Thanks,

bereanmh,
since your MacBook Pro didn’t originally have Mountain Lion installed at the factory, the former owner erred in leaving it on its internal disk when transferring it to you; Mountain Lion is non-transferable when sourced from the Mac App Store. The former owner should rather have provided you with its original pair of grey installation discs, which hold its original version of Mac OS X, its iLife apps, and its model-specific Apple Hardware Test. If you didn’t receive these discs, you can contact Apple directly to purchase a replacement pair. (They’re not available in Apple stores.)
That being stated, regarding the panic report above, the prime suspect is that NullCPUPowerManagement kernel extension — try uninstalling it to see if that makes a difference.

MacBook pro won't start after update

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Macbook Pro won't sleep after installing Lion

Hi,
I have just installed Mac OSX Lion last night. Everything worked out fine until I realized that everytime I close the Lid or Press Sleep from the Apple menu, it will not actually Sleep. After I open up the lid, I actually have to press the brightness of the light for the light to comes up. Or else its just going to be blank/black. During I close the lid, I could actually see that the light isn't actually breathing and I wonder how do I fix this? I have tried resetting the PRAM though.

I have the same issue with my MacBook. I have it in a docking station hooked to an external monitor and after upgrading to Lion it will not go to sleep. I can click the sleep button from the Apple menue, from the start menue where the password is entered, or even set up sleep hot corners and nothing works. The only thing that worked for me was to take my computer out of the dock then restart. Once I restarted I was able to put the computer to sleep, but only as long as it was no longer connected to the dock. As soon as Lion recognizes there is an external monitor connected to my MacBook it prevents the sleep function. I understand why they did this, because some people had issues with their computers going to sleep while plugged into an external monitor, but I'm not sure their solution is any better because they have now created several unnecessary steps for many people who use external monitors. I hope Apple addresses this issue and comes up with a patch of some sort to give users the option to have it set up one way or another. I'm also pretty ****** that they got rid of Front Row.

MacBook pro won't start after updating os.

I updated my MacBook pro last night, I went to start it up this morning and all it does is sit at the spinning wheel start up screen. Any advice/help to fix this?

Did you do the Lion update or are you still on 10.6.8 Snow Leopard?

MacBook Pro won't boot after update to 10.10.1

I have just updated to 10.10.1 and my MacBook Pro refuses to come back to life.
All I get is a white screen and no sign of activity.
Any clue?
Pierre

Hey Pierre6405,
I see that you are having issues getting your computer started up into OS X. I have an article for you with some troubleshooting suggestions that should help you get started on addressing the issue:
Apple computers: Troubleshooting issues with video on internal or external displays - Apple Support
http://support.apple.com/en-us/HT201177
Thanks for being a part of the Apple Support Communities!
Cheers,
Braden

Macbook pro won't boot after updating to 10.9.3

I ran the update to 10.9.3 yesterday. After reboot the Mail program gave me an error that it might not be compatible with the OS. I restarted, now I get the a progress bar. It goes for about 30 seconds then powers the macbook down.
Here's what I've tried.
1. Booting into recovery mode (both Internet recovery and regular recovery)
2. I cant repair permissions or repair the disk. It says that it needs to be reloaded, etc
3. I tried a reinstall. I'm getting a disk locked error on the Macintosh HD and recovery HD.
4. Can't boot into safe boot. I get a driver error and Mac OS Version: not set yet.
5. I tried Turning off Encryption. It won't turn off.
6. When I choose the startup disk to boot to, it still shows 10.9.2, even though the app store showed that 10.9.3 was installed.
Pretty much combed the forums, but I'm not really sure what to do at this point. The machine is out of warranty and I don't have another Mac to do any cloning, usb startup disks, etc. I made an appointment with the genius bar tomorrow but I wanted to see if there's something else I can try! Any help would be greatly appreciated!
Thanks.
Dan

Do you have a Time Machine backup? If so, erase the disk and reinstall OS X. HOWEVER, DO NOT CONTINUE UNLESS YOU HAVE A TIME MACHINE BACKUP!!! IF YOU DO NOT HAVE A BACKUP AND STILL DECIDE TO CONTINUE, BE AWARE THAT ALL YOUR DATA WILL BE LOST FOREVER!!!
Erase and Reinstall OS X
Note: This will delete all data on the disk. Back up important files before continuing.
Erasing and then reinstalling OS X can give you a fresh start, making your computer exactly as it was whenever you received it from Apple. This can solve various problems such as corrupt system files.
Shut down the computer by going to Apple () > Shut Down…
Select Shut Down or allow the computer to shut down automatically.
Plug in the MagSafe power adapter into a power source and then connect it to your Mac if you have not already done so.
Press the Power Button to turn on the computer.
Press and hold both the R and Command (⌘) keys on the keyboard until the Recovery partition loads. If this does not work, shut down the computer, press the Power Button to turn on the computer, and then hold in the Alt (⌥) button immediately after you press the power button. Then, select the Recovery HD partition to boot up in the Recovery HD partition.
Select Disk Utility and then choose Continue.
Select your startup disk (Macintosh HD by default) from the left.
Select the Erase tab.
Choose the Format pop-up menu and choose Mac OS Extended (Journaled), enter a name for your disk, and then click Erase.
After the disk is erased, choose Disk Utility > Quit Disk Utility.
Select Reinstall OS X and then choose Continue.
Follow the instructions.
I hope I helped.
Austin

MacBook Pro Won't Sleep after Snow Leopard Install

Neither closing the computer, or selecting Sleep from the menu will allow my computer to enter slumber. Shorty after closing its eyes, my computer will make that unsettling grinding noise and wake up.
I've reset the PRAM, the PMU, turned off bluetooth, airport, all running applications. This only started happening after installing 10.6.
I found a thread on MacRumors discussing this problem, but there was no fix yet. So I bring it here. Can anybody guess what's up, or should I just take it in to the Apple store?

Don't bother taking it to the Apple Store. They won't be able to help. This is a bug in Snow Leopard. I don't know of any workaround or any way to make it stop. It doesn't happen all the time. Usually shutting down the machine will fix it. Sometimes, it will fix itself after a while.
It is important that you never assume a machine is going to go to sleep successfully. Always wait for the pulsating light. If it does go to sleep, chances are it will stay that way. I used iLid Preference Pane to make sure that my machine doesn't accidentally wake up while it is in a bag or something.
I've already filed a couple of bug reports about it. You can help you sending your feedback to Apple.

After 10.7.4 update macbook pro won't sleep

after 10.7.4 update, macbook pro won't sleep.

Test after each of the following steps that you haven’t already tried:
Step 1
 ▹ System Preferences ▹ Energy Saver ▹ Power Adapter ▹ Wake for network access: uncheck. You may need to unlock the preference pane by clicking the lock icon in the lower left corner and entering your administrator password.
Step 2
 ▹ System Preferences ▹ Energy Saver ▹ Schedule… ▹ Start up or wake: uncheck
Step 3
 ▹ System Preferences ▹ Print & Scan ▹ Open Print Queue...
Check all printers for unfinished jobs. Deal with any you find.
Step 4
Disconnect all wired peripherals except keyboard, mouse or trackball, and monitor, if applicable.
Step 5
Launch the Activity Monitor application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ If you’re running Mac OS X 10.7 or later, open LaunchPad. Click Utilities, then Activity Monitor in the page that opens.
Select All Processes from the menu in the toolbar, if not already selected. Enter “powerd” (without the quotes) in the "Filter" text field. Select the powerd process and click the Quit Process button in the toobar (stop-sign icon.) In the sheet that opens, click Force Quit. You’ll be prompted for your administrator password. The process will be relaunched immediately.
Step 6
Boot in safe mode and log in. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Note: If FileVault is enabled under Mac OS X 10.7 or later, you can’t boot in safe mode.
Safe mode is much slower to boot and run than normal. Don’t launch any applications at first. If sleep still doesn’t work properly, back up all data and reinstall the Mac OS. After that, if you still have the issue, make a “Genius” appointment at an Apple Store to have the machine tested.
If sleep now works as expected, go on to the next step.
Step 7
Still in safe mode, launch the usual set of applications that are running when you have the problem, including your login items, one at a time, testing after each one. Some applications may not work; skip them. You might be able to identify the cause of the problem this way.
Step 8
If sleep is still working after you’ve launched all the usual applications, reboot as usual (not in safe mode) and test again. If sleep still works, you’re done, at least for the moment.
If you still have the sleep issue after booting out of safe mode, post again.

Macbook pro won't boot after installing update 10.9.3

macbook pro won't boot after installing update 10.9.3

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of the test is to determine whether the problem is caused by third-party software that loads automatically at startup or login, by a peripheral device, by a font conflict, or by corruption of the file system or of certain system caches.
Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards, if applicable. Start up in safe mode.
Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Ask for further instructions.
Safe mode is much slower to start up and run than normal, with limited graphics performance, and some things won’t work at all, including sound output and Wi-Fi on certain models. The next normal startup may also be somewhat slow.
The login screen appears even if you usually login automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Test while in safe mode. Same problem?
After testing, restart as usual (not in safe mode) and verify that you still have the problem. Post the results of the test.

MacBook Pro won't boot after trying to install 10.7.3 update. Start up stalls at Apple logo and spinning gear.

MacBook Pro won't boot after trying to install 10.7.3 update. Start up stalls at Apple logo and spinning gear. Computer won't even start in safe mode.

My daughter's MacBook Pro was doing exactly the same thing. I don't know if it had anything to do with the latest update. She called me about a week ago saying that her MacBook began running slower by the day . She then called me Friday and told me that it wouldn't get past the gray screen and the gear just kept on spinning. I did everything I could over the phone including Safe mode which it wouldn't go into and thought maybe it was the hard drive. She took it to the Apple store. Originally, they also thought it was the hard drive. It ended up being a corrupted operating system (Lion). Apple genius simply re-installed Lion and she's back up and running. Good thing she backed up right before it crapped out. She'll be restoring everything tonight. Don't know if re-installing Lion will help your situation, but it did the trick for my daughter.

Macbook Pro won't sleep after updating to 10.4.11

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