23" studio display stopped working

My 23" studio display stopped working with my mac pro but works with MBP.
It started by not waking up everytime my Mac Pro went to sleep, but if I unplugged it and plugged it all back it and restarted it would come on however now the screen will not even come on. The power light is on and when I plug it into my MBP it works fine.
I'm not exactly a tech whiz but could it be the graphics card? Which is currently - ATI Radeon X1900 XT 512MB
It's out of warranty so before I trek down to the Apple store I thought I'd see if I can fix it myself.
Any help would be appreciated thanks!

Same for me, after having installed SL and allowing the computer to go to sleep. When trying to wake it up, the computer boots (at least it sounds so), but the display stays black. If in system prefs/energysaving/ I set the computer to "never sleep" but allow the screen to go asleep it works OK. As soon as the computer goes to rest it is impossible to get the screen working again, have to do a physical reboot. Works fine then......., but I really would like to use the energy savings prefs!
I've looked into other threads of similar topics, did not find any clues. Judging by the number of threads, this is a well-known issue, waiting for to be answered by Apple.
Suggestions?

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17" MacBook Pro Display stopped working

Hello,
I have a 17" 2.6GHz Intel Core 2 Duo MacBook Pro (purchased January 2008) and the display stopped working today. There is no light behind the Apple logo on the back or the display. The little white light by the latch works as normal, and I can hear the disk spin up when I power it off and on using the power button.
When I connect to an external monitor, there is no signal. When the machine is powered on, I can see the drive on the network. I have also tried booting up using an install CD as well, but no luck.
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Went to the Genius Bar yesterday. It's part of the NVIDIA issue.
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Hp Pavilion dv6 Notebook , Driver display stopped working and has recovered

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I installed the Autocad program , and after 2 weeks, every time that I open the Autocad, after 4 or maybe 5 min. the screen goes black and after that a note shows up saying: Driver display stopped working and has recovered. I Try to update everything using the Hp support assistance and still i have the same issue. I don't know much about the computer and the driver so I will appreciate if somebody give me a solution. Thank you!!!

Hello @youleeus,
Welcome to the HP Forums, I hope you enjoy your experience! To help you get the most out of the HP Forums I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
I have read your post on how the driver display has stopped working, that it has recovered, and I would be happy to assist you in this matter!
To further diagnose this issue, I recommend following the steps in this document on "Display driver stopped responding and has recovered" error in Windows 7 or Windows Vista. This should help prevent the GPU on your computer from timing out.
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Regards
MechPilot
I work on behalf of HP
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Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

External Display Stopped Working

I've been using an external Dell 19" monitor with my beloved and faithful Macbook Pro for years. All of a sudden, I was unable to select the propert setting for the external monitor. Two days later the monitor stopped working altogether when plugged into the Mac. The Mac screen acts like the other monitor is working, but there's nothing on the external screen. The Dell monitor tries repeatedly to turn on, but the power button repeatedly changed from amber to blue while saying it's entering power save mode and never turns on. I've tried changing screen savers as recommended on another forum to no avail. I also ordered a new mini-DVI to AVG connector in the hopes that is the issue. I've confirmed that the Dell monitor still works fine by connecting it to my old PC, so that's not the issue. Any advice is appreciated. I read copy for a living and really need the larger display. Thanks!
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According to Apple technician, it's probably a hardware problem... everything else works fine. But for me it is just impossible to work without a larger display.
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23" studio display stopped working

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