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Message: <blockquote data-quote="jocoons" data-source="post: 968462" data-attributes="member: 137268">Help! I am pretty ignorant when it comes to Macs!I'm running OS X 10.6.2 on Aluminum Imac from Early 2008I'm not really sure to begin. I spent several hours yesterday trying to find a solution to my problem. The problem started when I was editing some images in Adobe Illustrator when the screen went black all of the sudden. The computer was still functioning as I could hear Pandora playing music in the background as if nothing had happened. I couldn't get the screen to come back on so I powered the machine off (holding the power button down). After waiting about 10 seconds, I powered it back up to find that the screen wouldn't turn back on. It chimed and hummed as if everything was starting up normally, just that the screen wouldn't turn on. Not feeling so good about the situation, I opened my macbook and starting trying to find solutions. After trying a few (I'm sorry I don't remember their actual names but the cmd-option-p-r and the unplug the Mac and hold the power button for 5 seconds then plug it back in ones) the display came back on but it hung in the grey screen for two hours, where I turned it off again. When I turned it back on the display wouldn't come back on again. I waited about 1.5 hours and turned the computer on again, and this time the display with the grey screen and chimes come on again.I decided to try to boot it into safe mode (when I could get the screen on) and the Snow Leopard status bar came up up, filled up about 10% of the way, then disappeared. I left the computer on for another hour, and after getting frustrated turned it off. I then read about single user mode and typed the Disk Utility command and it came up with the error with an "Invalid Sibling Node" which related to trying to fix a b-tree issue. After reading some more, I discovered DiskWarrior v 4.2 and target disk mode, went and bought a firewire cable and downloaded diskwarrior. Diskwarrior somehow magically fixed the HD issue with the exception of overlapping problem which disk utility cleaned up after Diskwarrior fixed the directory issues.After I ran both utilities, i turned off the Imac, and turned it back on, where the display lit up, chimed and loaded quickly. I worked on some more image editing for about 6 more hours, then decided to play the World of Warcraft. After being in WoW for about 5 minutes, the screen turned off again, but the computer was running normally. I had to turn off the computer that wrong way (holding power button) again. When I turned it back on after a few seconds, the screen wouldn't turn on again. I waited 20 mins, and the screen wouldn't turn on. I waited another 40, and the screen turned on and booted up normally. I removed all the games from my computer thinking that WoW must have been the issue. I resumed working in AI, when the screen went out again. I let the computer sit for about 5 minutes and then powered it off again. Since then I have waited several hours and have not been able to get the dislay to turn on again. I once again used Target Disk Mode and rebuilt the drive again with diskwarrior and ran all the Disk Utility options I could. I did the pull out the plug and hold the power button for 5 seconds thing several times, and the cmd-control-p-r thing and the display wont light up. I tried to reboot and it chimed and appears to be booting up complete normal, but won't turn the display on. I'm assuming this is a hardware issue but I have no idea where to start, I have no warranty, and no idea how much it will cost to fix it. Has anyone else ran into this hit and miss display problem before? Anything I can do to fix it? Please help! (sorry for the dissertation)</blockquote>

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