Solved Computer screen going black, sound looping, no error message

March 3, 2013 at 19:43:16
Specs: Windows Vista, AMD Phenom 9600 2.3GHz / 4 gigs
Recently my computer has been crashing randomly at any given moment to a black screen with no error message. The computer stays on, but there's no monitor display, and the sound goes screwy.

Started happening when I launched SC2 after a long break, got to the login screen and the issue happened. It's been occurring on random instances when I attempt to play a game, and sometimes when I try to load youtube videos. It forces me to hard reboot, and sometimes it doesn't make it to the login screen of my computer without going black again.

Most times I'm able to browse the internet, use skype, and do all that without issue. It's a lot less prevalent in safe mode, but it has happened once or twice in there too. It doesn't seem to have a specific trigger, it just crashes whenever.

I've checked my comp temps and nothing seems to go above 40C, so I don't think it's an overheating issue.

I got a new video card and power supply a few months ago, and nothing was wrong up until just now. I'm using an ASUS Nvidia GeForce 550 TI overclocked, an AMD Phenom 9600 Quad Core, in a Gateway GT5676 computer with a Cooler Master eXtreme Power Plus 500w Power Supply.

Considering I'm not getting any sort of error message, I'm not quite sure whether its a hardware or software problem, so I'm just going to put this in the Software subcategory. Sorry.

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March 4, 2013 at 01:44:15
Try running your graphics card at stock speed and see if the problem goes away. The symptoms you describe point more to hardware than software and the blank screen with no shutdown would point to the need to check the graphics first-off.

"I've always been mad, I know I've been mad, like the most of us..." Pink Floyd

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March 4, 2013 at 09:22:13
Another possibility is oxide on the graphics card edge connectors or socket (often shows up when you replace things). I know the card is new but clean its edge connector with a pencil eraser and then pop the card in and out a few times to ensure the socket contacts themselves are clean.

Always pop back and let us know the outcome - thanks

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March 4, 2013 at 12:55:16
✔ Best Answer
@johnr All right, how would I go about running it at stock speed?

@Derek I cleaned out the computer like you said and it's actually been running well for about 3 hours now. I'll keep you posted.

EDIT: Well it lasted a good while, but it started crashing again, so I dunno.

EDIT 2: I removed the Nvidia and am running off regular integrated graphics. No crashes. I am not sure whether it's a faulty GPU or a PSU issue, what do you think? Both of them are relatively new.. so it'd kinda suck if one of them is screwy.

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