WON'T WAKE UP WHEN OPENED DURING SLEEP.

this doesnt happen every time but whenever i close my macbook pro to go to sleep and then open it some time later, the screen stays black and the computer won't wake up. i have to close it multiple times and reopen it before it actually does something. Can anyone help me understand why its doing this?

I think this has something to do with the sleep related loss of keyboard response issue that is plaguing MBP with 10.5.1.
I had it happen to mine last night, it freaked me out so I reinstalled Leopard. Let us see how long until the problem crops up again!

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Comp won't wake up when opened

Hey,
I've just started having a problem with my iBook: When I close it and open it, it wont fall asleep and wake up. I have to manually put it to sleep and wake it. I've had my computer for probably 4 or 5 years now.
Please help......

I went to OS 9, but it still doesn't work. I think the computer just isn't rocognizing that it's been shut or something. It may also be the battery, which I have a spare of. I'll try that and see if it works...
Thanks

ThinkPad T420i won't wake up after going to sleep.

My T420i won't wake up after going to sleep (using Fn F4 or close the laptop or time out). The computer was wiped clean and reinstalled with only Windows 7 professional and some Levono softwares. BIOS, windows and all drivers are up to date. The only way to get it back is hold the power button to reboot it. When it reboots, i get improperly windows shut down error.

I'd guess it's ACPI related issue. Check out ACPI driver and correspondent items in Control panel.
Energy report might be helpful too ("powercfg -energy" command within console window with administrator rights)
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Macbook pro won't wake up when booted into Windows 7

Macbook Pro (Late 2010) with Snow Leopard and Windows 7 64bit. Bootcamp 3.3
When booted into OS X, then close the lid, let the machine sleep and later, if I connect to power source and USB keyboard and mouse, and then tap keyboard, machine wakes up.
If booted into Windows 7, if I follow same sequence, the machine won't wake up. The only way I can wake the machine up is by opening the lid.
Not a big problem, but certainly an annoyance.
Can anybody help?

Did you use a geniune windows installation disc? I ask this because I worked on a computer today where someone had tried to use a Windows XP disc that came with a Dell computer. These do not work.
If it was a genuine install disc, did you get all the way through with the installation, or did something go wrong during the install?

My iMac won't wake up when it's been asleep for awhile

Each morning now, (since the last update of ML) my iMac won't wake up from sleep when I try from either
my bluetooth keyboard or mouse. Seems like it would be a bluetooth connection issue but how do
I make sure it will not interfer with waking up my computer.
I tried pushing the on/off button briefly to get it to wake up but no luck there. I always have to restart
it.

This sounds like the intermitent problem that has been around for a few users since some point during 10.6 Snow Leopard. I had the problem off and on and found the only 'fix' that worked 100% was to set: System Preferences>Energy Saver and set 'computer sleep' to 'never'.

Won't Wake Up After Opening The Lid

This has been happening for awhile now (checked with my father in law, who has a macbook pro, and he says the same thing happens to his): I close the lid, it goes to sleep. When I open the lid again, half the time it'll wake up, and half the time it won't (even pressing buttons, etc). I'll have to hold down the power button to turn it off, then press it again to turn it on and start up from scratch, losing whatever I was working on. There's seemingly no rhyme or reason to it...but it happens about half the time. The other thing I notice, when this happens, is that the "sleep" light (that is usually flashing when it's sleeping normally) turns on solid when I close the lid rather than flashing, and turns off when I open it.
Anyone else have this problem? Any way to fix it? I have the newest firmware.
Message was edited by: Evan!

I cannot solve your problem but I did have the same problem which has now evolved into my computer NEVER going to sleep and my bluetooth does not work I have tried all the advice I can find and nothing works. Of course my waranty expired four months ago so now I will have to come up with the money to fix it if I want this resovled. If your warenty is still good I suggest having someone look at it before it evloves into a bigger problem.

T440s display won't wake up from password-protected sleep mode

The display on my new T440s stays off and cannot be recovered, when it is in password-protected sleep mode (or when it has gone to sleep from password-protected screen saver mode). The only way to recover is to press the power button to shut down completely, and reboot the computer.
When I remove the password protection from sleep mode, the display turns on and off as expected during sleep/wake cycles.
Have any of you experienced this? Is there a fix? I do want to use password protection in sleep mode for security.
Thanks.

I posted this yesterday on another Mac site and thought I'd post it here, too, since my experience is similar to rmckillen's, and BobThe Developer has an explanation for it (thanks!). I've had my 15" MacBook Pro for almost 3 months, and it's been working fine until now. Tonight after it went to sleep while open, I tried to wake it up and the screen stayed dark, though you could faintly see what was on it. When I tried pressing the power button, I could see through the darkness that I was getting the usual message asking if I wanted to shut down. I waited for the approximately 2 minutes for that to happen, and then the machine appeared to shut down for a few seconds--only then the dark screen with faintly visible image of what was really there appeared again. I tried closing the machine and opening it again, but that didn't help, nor did clicking the mouse. The only thing that worked was forcing a quit by pressing command-control-power all at once. The machine shut down, and then when I turned it on again, everything was back to normal. My question now is, should I bring my machine in to Apple about this--will it be something they can fix, or is it just a problem I'll have to live with (or will the next operating system address it?)? Thanks...

MacBook Pro won't turn on or "wake up" when opened

Hey guys,
I've been having the following issue quite often over the past few days. I always use my MacBook Pro connected to a power source, however, when I go to study at the library or something like that, I don't usually bring my power adapter with me, I just run it on battery power. But once I open it when I get there, I hear the hard drive make the "waking up" noise, but the screen stays blank and doesn't respond to any mouse movements or key presses. I am forced to hold the power button and restart it every time, and it's quite frustrating.
To put it simply, when I use my computer plugged in, close it, unplug the power cord, then open it up (unplugged), it does not "wake up" or turn on.
I was hoping some of you might be able to help me with this!
Note: This happened once today when my I opened my computer again, still plugged in to a power source.
Thanks,
Spencer

Same problem for a couple of weeks.
I've read many posts on this type of problem, and I recently updated my software so I have:
* Leopard 5.2, with...
* Latest Graphics Update
* EFI Update with Boot ROM Version: MBP31.0070.B07
I most often have the problem after suspending my machine which was connected to an external Viewsonic 22" monitor (VX2235wm).
I find that if I let the system hibernate, pull out the battery, put it back in, and then reboot the system that it returns from hibernation with the screen intact but with no responsiveness whatsoever.
If I wake the system up very soon after suspending, less problems. However, if I wait an hour or two to wake-up, I run into the problem.
This may all be anecdotal, I'm just hoping Apple is listening....

Half the time my MacBook Air won't wake up when I open it. Anyone else have this problem?

Just a black screen. I can restart after a few long pushes of the power button, and then it comes back and behaves normally. Is Apple working on this bug?

I am having exactly the same problem.
I recently upgraded from OS Lion to OS Maverick. With OS Lion I never had this problem. What is going wrong?
Is Apple working on this problem????
I have als a MacBook Air, OS 10.9.1 (mavericks)

Minor wake problem when opening lid

Twice now after installing an update (first 10.5.7 and now the Java update), my MBP has reverted to NOT waking when the lid is opened. This is a parameter that is not easily altered by the user -- I've reset it by resetting the SMC.
Has anyone else seen this problem?

I got that completely wrong. The problem is that my machine won't sleep when I close the lid -- I have to manually put it to sleep. I'll try resetting the SMC tomorrow -- that fixed the problem the first time it happened.

My iMac won t wake up after going to sleep

Ok, here s my problem. When the computer goes to sleep, later I press a key, the monitor stays black, the fans spin up a bit, and then I have to pull the power plug cause nothing can wake it up...
what to do?

I'd like to post a reply in this forum because I've had a similar issue and I'd like to see what could come of a little discussion. This iMac is 2 weeks old, I purchased a 1 GB RAM chip (from Omni Technologies through Ramseeker.com) to upgrade from 512 stock. The RAM installed with no problems and I have to say; this is the easiest upgrade I have ever made, Apple's design for opening the computer is truly supreme.
So I read about 128bit vs 64bit data paths and got greedy for power realizing that my RAM was not matched. So I contacted Omni and ordered 2 matched 1GB chips and planned to return the 1GB chip I had previously purchased. Again, the RAM installed with no problems, but this time my computer would not wake from sleep no matter what. Exactly as Tomi K. describes; blinking light goes off, fan spins up, but the screen stays blank. Hardware tests and applications work fine, but the computer will not wake from sleep. I have been all over these discussions, resetting, unplugging, and trying different combinations of RAM etc. The only thing that works is the original combination of 1.5GB of RAM, which completely solves the problem. I'm baffled and I am curious... could this sleep issue really be related to the RAM even though everything else works and tests fine? Should I try to get another kit of RAM and see if that works? Any feedback would be appreciated.

Late 2009 iMac running Yosemite freezing and won't wake up when Elgato Eye TV starts to record?

As above really, not much more to add.
My husbands late 2009 iMac recently upgraded to Yosemite (latest update installed yesterday) freezes while in sleep mode and has to be 'force shutdown' by holding power button down and then restarted to get it going again. Recording is stopped.
The Elgato Eye TV is a dual tuner with latest update.
Sometimes it wakes the computer up and begins recording, sometimes not.
No key taps or mouse jiggles get it to wake nor a quick press of the power button, I can hear the computer running and have to hold the power button down until all is quiet then fire it back up.
Other times it just doesn't wake the computer at all and start recording. I am all out of things to try, I think he had this problem before but not as badly when the iMac was running Snow Leopard.

Hi Boaz,
I´m facing exactly the same with my Mini which is remotely controlled by a MacBook via Screensharing. Everything works fine unless the Mini goes to sleep. After that I´m not able to wake it up by the MacBook and Wake on LAN (Wol). Even the share is not listed in Finder´s sidebar anymore. It simply doesn´t show up in the share sections anymore. When I log on to my router I can see, that MacMini is not active and I can send WoL package from the router. That brings the Mini back alive, although it still doesn´t show up in the Finder sidebar. When I connect to the Mini via Finder "Connect to share" and type in: vnc://ip-MacMini I can use screensharing again.......
Also I faced the problem with indexed network phantoms....means my Mini was listed in network shares with several different indices e.g. MacMini(2) and (4) and so on..... I wasn´t able to connect and curiously these phantoms show up even when my Mini was shut off! Looks like bonjour or something else is not working properly....
I fixed phantoms by reseting my router (AVM firtzbox), which worked out perfect since yesterday and no indexed phantom is showing up anymore.....
Haven´t fixed the screensharing or waking up thing yet....
I was also taking part in beta testing program and reported these problems to Apple. In Mavericks everything worked really perfect!
Greetz
Sven

White screen at startup, won't go on when exiting form sleep mode

hey,
Since a few months I have a game, it's called FlightGear, and it's a free game. But then I started having problems with my mac. Sometimes when I've played FG, and put my mac into sleep mode, and waked it up, is showed my desktop, could move my mouse, everything worked, but I cant open anything. And I hear a sound form inside my Mac. And when I turn my Mac off and put it back on, it only shows a white screen with the same sound. I've done checks to see if my disk was OK, and everything was fine. But this just keeps getting worse!

Two different problems. The black screen when the computer runs fine usually means that the FL inverter or the LCD screen is defective and needs to be replaced.
Not going to Sleep when the lid is closed is a setting under the Advanced settings in the Power Options you'll find in the Control Panel. With the Advanced Power Options, you can set the actions of closing the lid when using AC or battery power.
In my case, when the computer is attached to the power cord, it is also connected to a large screen monitor. In that case, I want the computer to do nothing when the lid is closed. But if I am running the computer on battery power, the LCD screen is my main screen and I do want the computer to go to sleep when I close the lid. This will save me power if I am on a plane, at a coffee shop or at a friend's.

Won't accept password when waking from sleep.

a client of mine is having an issue where her mac won't accept her password after waking from sleep. The same password works when she restarts. She has confirmed that caps lock is off. Any Ideas?
I left her a message trying to find out more details about her computer like OS version and stuff. Will update this when i hear from her.

She still hasn't returned my call, but i know that she is able to type. Whether its wifi keyboard or not I do not know.

PB won't wake up when connected to ACD

I have a brand new (day old) Aluminum PB with the following configuration:
1. 1.67Ghz G4
2. 1.5G RAM (DDR2 SDRAM)
3. Mac OSX 10.4.3
It replaces a 3 year old Titanium running 10.4.3 which has never exhibited the problems below.
-- GOOD SITUATIONS --
When NOT connected to the ACD, and the screensaver kicks in, I can wake the PB just fine.
When connected to the ACD, and I force "Sleep" mode, I can wake the PB just fine.
-- MEDIOCRE SITUATIONS --
Sometimes, when the PB awakes, after a couple of minutes, the Finder stops responding and I get the spinning wheel of death. More on this in a separate posts "Finder Not Responding After PB Wakens"
-- BAD SITUATIONS (REASON FOR THE POSTING) --
HOWEVER, when connected to the ACD, and the screensaver kicks in and runs for more than a couple of minutes -OR- eventually goes to full sleep on its own, I cannot wake it.
When I try to wake it under these two circumstances, the PB sounds like it is awakening, and I get a black screen (screensaver goes away if not asleep), then I see my mouse pointer, then I get the spinning wheel of death and at that point it's all over (I can wait 10 minutes and nothing).
I've done a hardware test and all is OK according to the test.
I have done the following things to resolve and, yet, nothing works:
1. Repaired Disk Permissions
2. Cleared out my Login/Startup files
3. Reset the PRAM
4. Performed a control-option Restart (recommended before doing a PMU reset)
5. Performed a PMU reset
I am at a complete loss. Please help!!!
David
Powerbook G4 Aluminum Mac OS X (10.4.3)

I think I have narrowed the problem down to a USB issue (USB connection between the hub on the ACD (Apple Cinema Display) and the PB.
When I unplug the USB connector from the port, the login in window miraculously appears. Now, I need to track down the REASON for this.
Thanks for your help.
David

WON'T WAKE UP WHEN OPENED DURING SLEEP.

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