OS X V10.7 Lion :: External Screen Won't Wake Up After Standby

Mar 22, 2012

Just bought a new 15" Macbook a few days but I have a serious problem. Every time I conntect it to my HP x2301 (also brand new) with a minidisplay > DVI cable and the Macbook goes to sleep the monitor won't take up after I wake up the Macbook.

Info:MacBookPro, Mac OS X (10.7.3)

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OS X V10.7 Lion :: 10.7.3 Doesn't Wake From Standby When External Monitor Attached

Feb 10, 2012

my problem is since the update to 10.7.3, Lion isn't waking up from standby when I have left my external Monitor attached to my MacBook Pro. It will flash the keyboard backlight, but both displays remain black. And when i disconnect the external one, nothing happens. Only possibility to come out of this state: Hold power button for some seconds until it shutds down "hard". 

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OS X Technologies :: Lion 10.7.3 Doesn't Wake From Standby When External Monitor Attached

Feb 10, 2012

my problem is since the update to 10.7.3, Lion isn't waking up from standby when I have left my external Monitor attached to my MacBook Pro. It will flash the keyboard backlight, but both displays remain black. And when i disconnect the external one, nothing happens. Only possibility to come out of this state: Hold power button for some seconds until it shutds down "hard". 

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MacBook Air :: FaceTime HD Camera Disconnects After Wake From Standby?

Apr 27, 2012

I have a MacBook Air 2011?Sometime, after a long standby, it wakes up with the built-in web camera disconnected.Facetime, Photo Booth, and Skype does not detect the camera, whilst for some reason, Google Chat inside Chrome actually sees it and is able to use it. Looking at the "About This Mac" I can see that the web camera is detected. However I am hoping that I don't have to keep rebooting it just to do a video call on skype.

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OS X V10.7 Lion :: When Close And Open The Screen It Does Not Wake-up

Mar 18, 2012

when I close and open the screen of my mac book pro it does not wake-up.  I will need to restart the same again.

MacBook Pro, Mac OS X (10.7.3)

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MacBook Pro :: Screen Stays On Standby?

Jun 20, 2010

Im really sorry if this is a silly question. I was playing football manager, then had to dash off somewhere for 15 mins, by the time i got back the screen was black, i just assumed it was on standby, i pressed space bar to carry on playing and NOTHING happened.. i pressed the on|off button and nothing happened.. i pressed and held the button to switch it off.. nothing happened..

It is still running now, but nothing is activating it, i pressed the caps lock button to see if the keyboard was operating and it didnt light up as normal.Im just letting the battery drain on it to see if it does anything on the reboot.. i dont know what else to do.. please advise!!!I only purchased it on Fri.. so its 2 days old i really hope it isnt broken already, there must be a simple answer for this? I look forward to reading any advice,

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Software :: How To Change The Standby Screen

Jun 5, 2009

how to be able to change the screen that when I come out of standby and waiting to enter a password from plain black to a graphic.

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OS X V10.7 Lion :: MBA Screen Doesn't Respond Well On Wake After It Goes To Sleep

Mar 3, 2012

Is it that there is just too much going on for the system, I have my HD encrypted. 

MacBook Air (11-inch Late 2010), Mac OS X (10.7.3), HD encrypted

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OS X V10.7 Lion :: Black Screen Upon Wake Up After Longer Sleep?

Mar 9, 2012

In the last 2 months or so, I have seen my MacMini 2011 OSX 10.7.3 crashing withing a minute of wakeup, after sleeps of more than 2-3 hours. 

Sometimes the Black screen occurs almost immediately, sometimes it takes up to a minute after the desktop appears (after logging in). This did not occur until I got 10.7.3 and only within the last 2 months.

MacMini 2011 i5, 8GB, Radeon 6630M , Mac OS X (10.7), iPhone4; headless dual G5 via FW800

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MacBook Pro :: Awake From Standby Screen Brightness Low?

Apr 1, 2010

I downloaded the latest software update for Leopard. I've noticed that when I wake my MBP from sleep, the brightness of the screen is very low. I have to click on "F2" to increase the brightness of my screen.

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MacBook Pro :: Grey Screen At Start Up Or Resuming From Standby

Feb 17, 2012

New Macbook pro sometimes displays a grey screen on switch on or resurning from standby, which I erase using the trackpad in order to get to the login screen. The same thing happened to the first laptop which I only purchased last November 2011.Last machine eventually slowed right down. Apple genius people say they have never heard of this or seen it.

MacBook Pro, Mac OS X (10.7.3), this is my second laptop in 3 mths

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OS X V10.7 Lion :: Cpu Usage After Standby Very High?

Apr 21, 2012

After standby mode my iMac 2011 with 10.7.3 seems to run corrupt with the kernel and activitymonitord tasks. CPU usage on one core runs to 100% only by scrolling fast in a window (finder, firefox, activity window). It happend without any system adjustment nor on any update or new software. Had the same issue months ago. Helped to went back to 10.7.2 and upraded again to 7.3 via combo update. System is after standby not usable, have to start system new as work around. Found same issue with other users on the web, but no solution.  

iMac (21.5-inch Mid 2011), Mac OS X (10.7.3)

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OS X V10.7 Lion :: WiFi Never Connect Automatically After Standby Mode On IMac

May 6, 2012

Every time my mac goes into standby the wifi connection needs to be manually joined, so trying to connect remotely is impossible without joining a wifi network manually.

iMac, Mac OS X (10.7.3)

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MacBook Pro :: Turned Off After Few Hours Of Standby Mode Running OS X Lion

May 20, 2012

If I set my macbook pro ( Lion ) into stand by, after a few hours it's completely off. I have to push the power button to start it new.I have this problem since I've installed OSX Lion.

MacBook Pro, Mac OS X (10.7.4), I7 , 4 GB ram , 500 GB HDD

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OS X :: Monitor Wake Up With Screen Saver Image On Screen

Jul 15, 2010

I have a Quad Core Mac Pro running Snow Leopard 10.6.4. I've been having this issue for the past couple of weeks. Basically I have my monitor set to turn off after after 15 minutes of inactivity, my Mac Pro is always on. After 5 minutes of inactivity my screensaver comes on and stays on until my monitor turns off. When I move my mouse to wake my monitor, sometimes an image from the screensaver appears onscreen for a few seconds and then disappears when my desktop appears.

I have repaired Permissions, rebuilt my drive using Disk Warrior, installed the 10.6.4 Combo update but the issue remains. An image from the screensaver doesn't always appear when I turn on my monitor, this issue is sort of random. Usually my desktop appears right away with no static image from the screensaver.

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Hardware :: Does There A Firewire 800 External HD Can Wake Up With MAC

Sep 21, 2009

I need to extend my iMAC HD. I do not think I can open it and upgrade the HD inside. What I am think about is getting a Firewire 800 external HD. Does there a HD so I can connect it to MAC. it will fall sleep or turn off when Mac is power off and when MAC is power on(Firewire has power) then the HD will wake up auto.

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Software :: External LCD Slow To Wake?

May 12, 2009

My 24" iMac's external LCD monitor is slow to "wake up". I initially thought it was Windows 7 running in a Parallels session but I tested it by not running Parallels at all and the problem still exists.

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Mac Pro :: Mac Pro Black Screen On Wake-up

Nov 25, 2010

Just got a new Mac pro and installed an SSD as the boot drive. I was downloading some apple software updates and left the machine alone to download for an hour.Came back and it was asleep or hibernating (is there a difference?)At that point I clicked the mouse and I could hear it start back up but NOTHING came on the screen, just black.I could press a key on the keyboard and hear the error type noise so the desktop was active, just not being displayed.

I disconnected my mini display port (I have a 24' Apple cinema LED display) and plugged it into the second mini display port on the back and it came back on.Anyone know what this could be?A result of an SSD boot drive or do I need my LED display plugging into a particular mini display port out of the 2 on the graphics card?

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Mac Pro :: Black Screen And Can't Wake Up Then

May 30, 2012

I have a MacPro 1,1 (2006) 2.66GHz that it is always working as a home server.  

After some time working idle the screen goes black. When I want to wake up there is no response. The screen turns into safe energy mode blinking his LED light power indication. I have to force shutting down pushing phisically the power button for some seconds.  

Graphic Card problem? I have another one but I don't test it for now.   

I have made a PRAM reset and SMC reset shutting down the MacPro, unplug the power and push the power button for 10 seconds. No results at all. 

Even putting Energy System Preference on NEVER (computer sleep and screen) after some time (2-3hours) the MacPro goes to black screen. 

Mac Pro, Mac OS X (10.7.4), 8GB RAM; ATIRadeonX1900

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OS X :: External Hard Drive Error After Wake From Sleep

Sep 18, 2007

The last couple of times I have woken my MBP up a box has popped up with a big red sign in the middle saying my external hard drive was removed unexpectedly and could have caused loss of data. I know this is not healthy and I would like to stop it doing this as soon as possible. It is connected via firewire 800 and is a western digital 250 gig my book pro if that makes any difference. I close the lid of my laptop with it still on and connected and everything is supposed to sleep. It used to work fine, I would open the lid and everything would wake up and I could do what I was doing before with no error messages and the hard drive would still be mounted on the desktop.

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Mac Pro :: LaCie External Hard Drive - Wake / Sleep

May 29, 2008

I'm on an early 2008 mac pro - used to be on a Powerbook G4. I have a 300 GB LaCie d2 Extreme external HD connected via firewire 800. Both are in 10.5.2. While on my powerbook, the drive behaved normally - fell asleep after no use, then awakened when I needed to access something. On my new mac pro, the drive behaves strangely. I only use it for backup, so it's only accessed once a day. The rest of the time I do not use it. When it's not in use, the drive sporadically wakes and sleeps. I've tried to pinpoint the cause to no avail.

I've tried all the usual suspects: browsing the forums, checking the "hard disk sleep" preference in energy saver, switching the firewire 800 cable with usb and firewire 400, watching activity monitor to see if there's a program accessing the drive (haven't found anything, but that doesn't mean it's not there). None of it works.

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MacBook Pro :: Cannot Wake From Sleep If Attached To External Monitor

Mar 25, 2012

This started recently and is quite annoying.  Like the title says, if I put my computer to sleep via apple menu/sleep while it is attached to my external monitor the computer will not "wake up".  When I try to wake up the computer the sleep indicator stops pulsing and I can hear the hard drive start spinning.  As a result I must force shut down the computer by holding the power button.  The computer is fully charged so it is not a low battery issue.  The external monitor is an 20" Apple Cinema Display, it is attached via Apple's DVI connector.  

Unplugging the monitor dongle and replugging it in do not work.  Pressing any assortment of keys does not bring the display back up.  

I've tried resetting PRAM, disk permissions, and verifying the disk. 

MacBook Pro, Mac OS X (10.7.3)

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MacBook Pro :: Screen Not Responding When Wake Up

Oct 27, 2010

I have a MacBook Pro. Sometimes my macbook might fall asleep while opened, and when I try to wake it up it doesn't respond.. I can see the backlight on the keyboard light up but the screen isn't responsive? My only solution when this happens, is to restart my MBP.

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OS X :: Black Screen When Wake From Sleep

Mar 10, 2010

When I wake from a long sleep, my screen comes on but everything is black. If I move my mouse around, the tiles behind the pointer switch over to whatever app is open. When I invoke expose/spaces, the screen fixes itself and displays everything.

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Intel Mac :: External Monitor In Target Display Mode Won't Wake Up

Mar 26, 2012

I'm using 2 IMac 27' and one is simply used as an external display. When I wake up the computer from sleep, it works on the main monitor, however the external display still has a black screen. I have to unplug the external monitor to get it to wake up.I tried unplugging thunderbolt and replugging it in which worked the first time, but same issue again not waking up.


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MacBook Pro :: It Won't Wake To External Monitor In Clam-shell Mode

May 23, 2012

When I have my macbook hooked up to external monitor it works great unitl I put it to sleep. Sometimes it kicks right up to the external monitor but the majority of the time it cant reconnect to the monitor. It just turns blue then off then blue likes its trying to figure out what to do eventually it says out of range. I then have to unplug the external monitor, wake up my mac with the screen open reconnect the monitor wait for it to pick up and then close it again and wah laaa it works.

MacBook Pro, Mac OS X (10.7.3)

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Mac Pro :: Pixelated Screen When Wake Up From Sleep Or Booting Up?

Sep 17, 2008

I'm on Mac Pro os x 10.5.4 and having a problem with my computer waking up from sleep or as it is booting up.

As it wakes up from sleep, the screen becomes blank or shows weird, pixelated bars all over the screen. When I try to move the mouse or press something on keypad, the computer freezes after and I would have to force shutting it down by pressing the power. It doesn't always happen, but quite often these days.

Also, when it's booting up, it sometimes will freeze with a blank screen in the middle and won't show the desktop.

Everything worked fine until a few days ago, and i'm wondering what's suddenly causing this problem.

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OS X :: Unibody Macbook Pro - Blank Screen On Wake Up?

Mar 22, 2009

This has happened 2 times (rarely). Basically, when I wake up the macbook pro, the screen would remain "blank". I know the screen is on because I can see the mouse pointer but the whole screen is black. I'm assuming Finder has crashed?

I don't know how to restart on the macbook (ctrl + alt + del didn't work, using option didn't either) so I just held down the power button for 4 seconds and restarted that way.

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OS X :: CD Drive Wake The Screen, Turn The Led On But Does Not Show Anything?

Jun 27, 2009

i have had my macbook go to sleep an not fully wake up, the keyboard, cd drive wake an the screen would just turn the LED on, it brights up but does not show anything.i do NOT think its hardware, i believe the os is just not turining on the screen or speakers. it has done this 2 times an had to hardboot. before i hardboot it, i let it sit for a few minutes to see if it would wake up fully , an tried to close the lid again. also is there a short cut to restart or put it back to sleep so i dont have to hard boot. i dont expect to have this happen again , but if it does a key would be nice

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MacBook Pro :: Screen Doesn't Wake Up When Open The Lid

Apr 7, 2010

This happens randomly. I don't know if it's the new hard drive I put in there, which I doubt.

The screen flickers from time to time (nVidia issue.) Don't have the time to take it in right now, but I will.

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