MacBook won't wake up from sleep / boot up.

My MacBook has trouble waking up from sleep, and sometimes booting up from a normal shutdown. When I open the clamshell after I put the computer to sleep, the indicator light doesn't blink, but is lit up, and the screen is completely blank. Pressed all keys, and still it won't wake up. I've had the same problem with booting up the computer from a normal shutdown as well. I've tried holding on to the power key and doing a hard reset, but nothing seems to work. However, I can't seem to pinpoint the cause of this problem, it seems to be completely arbitrary. Sometimes, it wakes without a problem, and sometimes it just stays in "zombie" mode for .. extended periods of time.
I've also resetted the PMU, and the NVRAM as well. I'm not sure how this could affect it, but a few days ago, my CD drive broke. When I tried to boot up, the CD drive seemed to be turning to find a CD, and couldn't boot up. So I took it to the Apple guy and got the CD drive removed completely. I took the MacBook back to him with this waking up problem, and he says it's fixed, but it really isn't.
Help! I can't

I can't boot up MacBook and I,m wondering if you tried SafeBoot. I went through the process, got the progress bar, then nothing. Just more blue screen and gear spinning.
See http://support.apple.com/kb/TS1417?viewlocale=en_US

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My early 2008 MacBook won't wake up from sleep

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Try resetting the PMU (power management unit).
Remove battery and power adapter.
Hold down power button for 10 seconds.
Reinstall battery and attach power adapter.
Hold down Command-Option-P-R, a total of four keys, and press power button. Don't release the keys.
Continue holding the four keys until you hear the startup sound twice, then release.

MacBook won't "wake" up from sleep, when being folded

When I "fold" computer it goes to sleep. But, when I flip up the screen again, my Mac won't "wake" up from sleep mode anymore.
Do anyone know how to fix this problem?
BR
Christian
I have a MacBook 2.26 GHz Intel Core 2 duo, Snow Leopard 10.6.8.

I've solved my problem.
I have reset my MacBook's PRAM settings.
It's very easy: link: http://support.apple.com/kb/HT1379
Resetting PRAM and NVRAM
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.
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Hope this helps
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My macbook won't wake up from sleep

I've seen various threads suggesting resetting SMC and removing unneccessary networks from Airport, but these have no effect on my machine.
I can make the machine sleep easily enough by closing it or using the menu, but it won't wake without the 10 second press of the power. When it does come back it it counts through a progress bar like a PC! How embarrassing. Then, usually, it crashes completely and requires a restart.
This only started happening after I plugged in an iPad for the first time (iPad 1) and initiated it through iTunes. However, the same night I installed a demo version of Pagesender. Any suggestions gratefully received.
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I have to press the power button (I don't have to hold it down, as you apparently do) to turn it on.
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I have the same issue with my Macbook Pro 2.4
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MacBook won't wake up from sleep

When I fold my MBP, and later flip up the screen it won't wake up.
I have to force close it, and then press the powerbotton to start up.
I have reset the PRAM and SMC settings and nothing seems to work.
Does anyone have an answer how to make my MBP wake up every time it has gone to sleep?

Many have reported this problem.
For some the issue was resolved by resetting PRAM and SMC.
Others have taken the MBP to the Apple store.
Apple helped them.
Best.

MacBook won't wake up from sleep and Bluetooth Settings (Possible fix)

Hi,
I rest my SMC as per the instructions. I've done this a few times before and it my system sleeps one time correctly then glitches as previously noted. However, this time I did not use any Bluetooth device but I was connected to the internet via my wireless router. The computer has successfully entered 'sleep' and woke up several times without a glitch (white light flashing in front during sleep).
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Next I restored the default Bluetooth Advanced tab settings including the ‘Allow Bluetooth device to wake system’, reconnected the Bluetooth mouse and used it for a while before closing the lid and placing the computer in sleep mode. I left the mouse on. Something very interesting happened…….the system properly entered sleep mode with the front white light flashing, I then intentionally moved the Bluetooth mouse and the system tried to wake with the lid closed. I saw the Apple logo light up briefly then shut off AND I also heard the Superdrive mechanism respond. The white light in the front of the system stopped flashing and just stayed on. The system would not wake. I had to hold the power button down till the white sleep indicator light shut off the boot the system back up. It is important to note that I DID NOT reset the SMC.
Once the system rebooted I made one change to the Bluetooth Advanced tab settings, Specifically, I switched off the ‘Allow Bluetooth device to wake system’. I used reconnected my Bluetooth mouse by turning it on. Used it for a while then closed the lid. The system entered sleep again (white light flashing in front) and woke without a hitch. The sleep mode works equally well now if I close the lid or select sleep from the menu.
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Joe

Hi,
Just an update, it has now been one week since I modified my Bluetooth setting as per my post above. The computer is still going to sleep and waking without problems.
Joe

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Hi GrooveDaddy,
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I have a hand-me-down Powerbook G3 Lombard 400 Mhz (bronze keyboard), with a dead main battery. It works great with the power adapter, and has just enough charge for me to move it from one outlet to another without shutting down. I'm trying to set it up for use as an Itunes server connected to my home stereo, which is fine because it will always be plugged in.
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aldpol,
There are many causes for sleep issues and you just have to wade through them one at a time.
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1. Unplug all peripherals (PC cards, mouse, everything).
2. Reset the power manager:
http://support.apple.com/kb/HT1431?viewlocale=en_US
3. Now put the powerbook to sleep via the Special menu, wait a minute or so, then wake.
4. If no success, restart while pressing the shift key until you see the message 'extensions off', then release. Now test sleep/wake.
If number #3 is successful, one of you peripherals is probably the troublemaker. If still having issues, please post back with more details if possible.

It won't wake up from sleep after I open it. If I close it and then open it, it doesn't wake up for at least 5 minutes.

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Step 1
Take all the applicable steps in this support article. That's the starting point for any further efforts to solve the problem. Please read the whole article carefully (some of it is hidden by disclosure triangles) and don't skip any of the steps, including the ones under the heading "Additional troubleshooting." If you don't understand any of the steps, ask for guidance.
Step 2
If you're running OS X 10.8.5 or earlier, from the menu bar select
           ▹ System Preferences... ▹ Accessibility
If the checkbox at the bottom marked
          Enable access for assistive devices
is checked, uncheck it and test.
If you're running OS X 10.9 or later, select
           ▹ System Preferences... ▹ Security & Privacy ▹ Privacy ▹ Accessibility
If any applications are listed on the right and have a checked box next to them, uncheck all the boxes and test. You may first have to click the padlock icon in the lower left corner of the window and authenticate as an administrator to unlock the settings.
Step 3
In the Energy Saver pane of System Preferences, uncheck the box marked
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Step 4
This and the next step must be taken as an administrator. If you have only one user account, you are the administrator.
Launch the Console 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.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
In the Console window, select
          DIAGNOSTIC AND USAGE INFORMATION ▹ System Diagnostic Reports
(not Diagnostic and Usage Messages) from the log list on the left. If you don't see that heading, select
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from the menu bar.
There is a disclosure triangle to the left of the list item. If the triangle is pointing to the right, click it so that it points down. You may see one or more reports with a name that begins with "Sleep Wake Failure" followed by a date. Select the most recent one. The contents of the report will appear on the right. Use copy and paste to post the entire contents—the text, not a screenshot.
I know the report is long, maybe several hundred lines. Please post all of it anyway.
Step 5
In the Console window, select
          DIAGNOSTIC AND USAGE INFORMATION ▹ Diagnostic and Usage Messages
In the search box in the window's toolbar, enter "powerd" (without the quotes.)
You may see one or more lines like this:
com.apple.message.signature: Platform Failure
If you do see that, and you did everything in the preceeding steps, then you're dealing with an internal hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

Does anyone know what to do when a apple mac book pro screen won't wake up from sleep?

Does anyone know what to do when a apple mac book pro screen won't wake up from sleep? I have tried to restart it and it still won't come on.

Try this, which is located in your macbook pros user manual.

G5 won't wake up from sleep & fans go to high speed ???

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Hi Patrick,
How to reset the SMU on a Power Mac G5 (Late 2004) or Power Mac G5 (Late 2005) ...
http://support.apple.com/kb/HT1436
"Try Disk Utility
1. Insert the Mac OS X Tiger Install disc that came with your computer, then restart the computer while holding the C key.
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*Important: Do not click Continue in the first screen of the Installer. If you do, you must restart from the disc again to access Disk Utility.*
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http://docs.info.apple.com/article.html?artnum=106214
Then try a Safe Boot, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, test sleep in Safe Mode, reboot when it completes.
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Won't wake up from sleep mode

I have only had my iMac for a couple weeks and four times now it won't wake up from sleep mode. I have to use the on/off button for a response.

Since you have a new machine, I would call Apple immediately and have them deal with the problem.

X1C won't wake up from sleep mode using keyboard

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Thanks for your help.
Solved!
Go to Solution.

Does it awaken from stand-by if you press the Fn key? That's been the ThinkPad standard for as long as I can remember.
Regards.
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MacBook won't wake up from sleep / boot up.

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