Mac Pro :: Display Does Not Wake From Sleep Or Reboot

Feb 11, 2012

I have an Early 2008 Mac Pro with an ATI Radeon HD 2600 XT graphics card.  Yesterday I could not get the display to wake from sleep in the morning, and even after a reboot I had nothing to look at.  Then I (eventually) moved the card to another PCI Express slot and everything worked!  Then after a reboot no video again. I moved the card back to slot one and it worked!  Rebooted again, no display.  Move card again, everything is fine.

Info:
Mac Pro

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Intel Mac :: 10.6.8 Goes To Sleep And Will Not Wake Up Without A Hard Reboot?

Apr 20, 2012

My iMac (10.6.8) goes to sleep after 2 or 3 hours (even if im working at the time) and will not wake up without a hard reboot. 

Info:
iMac, Mac OS X (10.6.8)

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Oct 13, 2009

I searched the forum, but saw a lot of sleep issues. None quite like mine. I have a MBP 13" bought in June. When I close the lid, it goes to sleep just fine. When I open it, I can hear it start up. The sleep light becomes illuminated, but then about 5 seconds later goes back to sleep.I have tried to hold the power button and shut the computer down, and start it back up. When it starts up, it shows the white screen with the apple logo, then goes blue, and is about to load the log-on screen, and goes back to sleep. I have already tried an archive and install, and a erase and install. Neither worked.Occassionally it will start back up if I just wait 20-30 minutes. Sorry about the long log, but I do not know what information is needed. I tried to wake from sleep around 1:27 in the logs, and it actually let me boot up and log on around 1:53. To give you an idea of what I was doing to cause these
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MacBook Pro :: Charging Display Does Not Wake From Sleep?

Mar 31, 2012

I have a 17" MacBook Pro Early 2011. I have noticed some strange behavior when I am charging the laptop. 

For whatever reason, when I close the lid and put the machine to sleep, no matter how long the machine has been asleep when I open the lid again the machine wakes up just fine and the login screen shows, and then the display goes right back to sleep. This is not the entire machine - just the display. To wake the display, I have to unplug the Magsafe adapter. The screen comes back immediately after doing this. Plugging the machine back in does not cause the laptop to go back to sleep.All updates have been performed (Software Update gives me no available updates), and other than this issue there are no other problems with the machine. To my immediate knowledge, I don't know when this started, though I do know that it has been intermittent for some time. I was hoping that the firmware updates that came a few weeks ago would fix the issue, but it seems to recently have gotten worse. I cannot pinpoint anything that would be causing this... and environmentally nothing has changed. The laptop is in near perfect condition from when I bought it, I keep it in a sleeve and a padded backpack when I'm not using it.. and unless I have something open that I am still working on I actually shut my laptop down whenever I'm not using it (living in Texas this is a habit I developed due to old laptops being damaged due to the heat build up in a trunk. I don't actually leave my MBP in the car though especially if it is hot out...) 

Info:
MacBook
Pro, Mac OS X (10.7.3)

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MacBook Pro :: Display Takes A While To Wake From Sleep

Jun 3, 2014

I have noticed on my Macbook Pro purchased in September 2013 that the display will take a long time (~30sec) to awake from sleep.  I can see the mouse pointer on the dark screen but the monitor will not wake.  If I close the laptop, and open it, the screen will come back to life. 

Info:
Macbook Pro, Mac OS X (10.4.9)

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IMac :: Black Screen Display When Wake Up From Sleep

Dec 21, 2010

For the past few weeks it has been going to a black screen when trying to wake it up from sleep. Either I've put it through too much work lately editing all these photos and its really tired. So, often it wakes up normally and functions fine, well, not really. It is seemingly very slow. It requires a lot of time (more than before) to open up a program or it gives me the "spinning wheel of death" when trying to go to a different page on the internet or open up a folder on my desktop. Amongst other things that require it to think. So It's just a lot slower in general than before.

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Jun 14, 2012

I have very recently upgraded to Lion on my late 2009 Intel Core 2 Duo iMac. When the machine goes to sleep on wake up - instead of going to the log on screen, the display remains black but when I move the mouse the display creates a grey pixel trace wherever the pointer should be. I also end up with the desktop clock in the top right.

To log on, I have to literally "colour in" the area where my profile icon should be which enables me to input my password. Also, on wake up, any applications that I had open like Safari, Word, iTunes etc are all closed and not open in the dock. On a separate matter, when this happens I cant wake my imac up to access my itunes library for home sharing on my ATV3 and 4S.

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MacBook Air :: Display Only Black Screen And Pointer When Wake Up From Sleep?

Aug 23, 2014

my macbook air 13 display only black screen and pointer when wake up from sleep. its not frequently happen. to become normal it take 10-15 sec, is it hardware problem or software problem?

Info:
MacBook Air, OS X Mavericks (10.9.4)

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MacBook Pro :: Black Screen With Cursor For 5-10 Seconds When Trying To Wake Immediately After Display Sleep

Jun 23, 2014

I've noticed that when my rMBP (late 2013, Mavericks) turns off the display automatically while on battery (as configured via Energy Saver) and I try to wake it immediately, I get a black screen with the cursor, rather than my password/unlock screen.  It remains a black screen, with the cursor moveable, for 5-10 seconds or so, and then the password/unlock screen will appear as usual. 

This does not happen if:I don't try to wake the display/computer immediately after automatic display sleep (e.g., I wait 5-10 seconds and it's fine)I turn off the display using a hot corner and immediately wake the displayI put the computer to sleep by closing the lid and immediately wake it by opening the lidI select Sleep from the System/Apple menu and immediately wake it by pressing a key or clicking on the trackpad 

Why automatic display sleep is causing this temporary black screen?  I currently get around it by setting the time for automatic display sleep while on battery to 10 minutes instead of the default 3 minutes to minimize the chances of needing to immediately wake the screen.  I'd like to keep it at 3 minutes if possible to maximize energy savings, but the temporary black screen is really annoying if I didn't really want display sleep and consequently have to wake immediately.

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OS X Yosemite :: IMac Wake Unexpectedly From Sleep Mode Then Goes Back To Sleep

Nov 30, 2014

My iMac wake unexpectedly from sleep mode then goes back to sleep 00:10-00:15 later.  Yosemite is current.

Info:
iMac, Mac OS X (10.6.8)

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Mar 14, 2008

Courtesy of jjahshik32, in this thread; A possible resolution has hopefully been found for us users affected by the notorious Mac Pro RAW (Reboot after Wake) problem.

For some users (myself included), the RAW problem seems to appear consistently after running a virtual machine session (Parallels or VMware Fusion, thus far) prior to putting the machine to sleep.

I did the following to test my MP. Can you do something similar and give us your results?

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Mac Pro :: Mac Pro Won't Wake Up From Sleep?

Jul 23, 2009

I have an intel based mac pro running tiger. When it falls asleep if it's asleep for an extended period of time...say 45 minutes or longer, it won't wake up. I have to manually power it down. If it's asleep for less than 45 minutes it wakes up fine.

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Feb 2, 2012

I have a MacPro Dual 3GHz, running OS 10.5.8 and when my Mac goes to sleep, it won't wake up. Fans speed up and light blinks, but I have to do a hard reboot.

Info:
Mac Pro, Mac OS X (10.5.8)

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Jan 31, 2008

I have resolved my MacPro sleep issue by removing the Seagate 320GB stock drive. For whatever reason, if that drive is plugged in, it reboots my MacPro when waking from sleep. I had setup 2 WD 500GB drives in RAID 0 as my boot volume and this was configured with Windows XP Pro for other uses.

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Aug 18, 2009

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Apr 9, 2012

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Jan 6, 2011

My Mac Pro 1,1 with a recently installed 120 GB OWC SSD Rev. 343A has been locking up (spinning beach ball) mostly on the "Enter your Password" screen when waking up from full sleep or displays going to sleep. I have to perform a hard reboot then it works fine, til it falls asleep and I have to wake it up. If I put it to sleep via the Menu it wakes up normally without issue. I've run Disk Utility, says it's fine. Repaired permissions. Ran the daily, weekly and monthly scripts. Cleaned my Cache with Onyx (not sure what else I could do with it)

Disksomnia is installed for FCP, to keep the disks spinning, never was a problem before. The SSD is the only major change in recent times.

Any knowledge or thoughts as to what I could do to find the problem?

Computer's up to date OS wise, 10.6.5, 12 GB Ram, Seagate 750's HDD's in the three other bays, Blackmagic card PCI, eSATA extender cable for two OWC Enclosures, other FW800 external HD's, NVIDIA Geforce 8600 GT & 7300 GT video cards for three monitors.

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Sep 1, 2006

Having some trouble with my iMac (the version right before the intel iMacs came out. further info can be provided if needed). Running all the latest software updates etc. When I put the iMac to sleep, it goes off as normal. With the usual white light. However, when coming to wake the iMac it won't respond to the keyboard or mouse. I have to shut it down at the power button, and then turn it back on.

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Jul 11, 2007

I put my 3 day old MBP to sleep last night with a 90% battery level (with the A/C adapter unplugged). I had calibrated the battery the day before. This morning, when I opened the lid, nothing happened. I thought this was odd. I then pressed the power button and heard about 1 second of the startup tone and then nothing. I repeated this twice more with the same result. I then plugged in the A/C adapter and the MBP booted up. The battery level was 86%. What do you think has caused this? Do I have a defective battery or something more serious?

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Feb 3, 2009

However, twice now when I've run the battery down (as recommended to keep the battery healthy), and then put it to sleep and plug it in, when I try to wake it up later, it won't start. Powering on and off just lead to a little "click-whirr" and the power light pops on and off, but no action. I called applecare and they said to unplug it, take the battery out, leave it out for a bit, then put it back in, then plug it back in, and restart it. It worked (although the second such crash, it took two tries for unclear reasons). Needless to say, this is a bit frustrating. Is this a known problem? Should I do something to avoid it? Is it a lemon?

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Oct 29, 2009

My macbook pro went to sleep last night but is not waking up this morning. The hard reset with the powerbutten is not working. Removing the battery of pram aint working either.

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Nov 10, 2009

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Mar 30, 2010

I have the 'dreaded' LG L246WP connected to my early 2009 mac pro via DVI to HDMI cable. Settings have always been weird on this configuration because OSX doesn't recognize the 1920x1200 native resolution unless I select 'overscan'. Now with 10.6.3 it boots up fine with the settings I've been using for over a year. However, I let my monitor go to sleep, and when it wakes up the screen is totally off-center to the left.

Also, in the preferences panel for the display, sometimes the available resolutions 'disappear' as I click them...(the value of the item in the list changes from say 1600X1200 to 0x0). I called and opened a support ticket. Their suggestion was to re-install 10.6. This may be the straw that breaks the LG's back.... Problem is now I have to research new monitors!

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Mar 12, 2012

I have a white 13" Macbook 4,1 running lion that will not wake up from sleep. I have to shut it down with the power button and then turn it back on. Runs normally when on. The white status light in the bottom right goes on when i put it to sleep and is off when it is up an running. I have tried a smc reset, PRAM reset, energy saver defaults, reinstalled Lion, deleted bluetooth files, Firewire .kext files, usb .kext files. Booted up off a separate harddrive. .wondering if theres anything short of sending it in that i haven't tried??

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MacBook Pro :: Why Does It Keep Going To Sleep - Can't Wake It Up

Mar 28, 2012

Why does my mac book pro keep going to sleep? I can't wake it up.

Info:
MacBook Pro (15-inch 2.4/2.2 GHz), Mac OS X (10.7.3)

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MBP Doesn't Wake From Sleep

May 25, 2012

After I put the screen down, and the apple logo on MBP turns off, if I put it back up in like 5 seconds, it will recover from sleep, but anything after that, I put the screen back up, nothing happens. To make it work, I have to press the power button until the hard drive makes some kind of noise, and then it starts from boot (or from hibernation, like when battery goes out and you plug back in).Nothing is plugged in, same thing happens whether adapter is plugged in or not. Also, my MBP only shows 2gb ram instead of 4gb?? Some odd times, it shows 4gb, but most times, 2gb. It's a 13" 2010 C2D model. Same things happen when I boot into windows using bootcamp.

Info:
MacBook Pro, Mac OS X (10.6.8)

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Aug 23, 2014

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Info:
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May 23, 2006

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Aug 12, 2006

My G4 Rev E PowerBook won't wake from sleep. The battery died and the computer slept, but now when I boot it, it gets to 3.5 progress bars and freezes. I have tried rebooting but I can't seem to get out of the resume from sleep mode.

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Jan 13, 2008

I have never had a Mac Pro before, but I have owed 2 Imac's and a power mac and 2 MacBooks. The issue I am having is when I put the machine to sleep when I wake it back up it is like it does a restart. It does not start me back up where I was before.

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