computer not booting up

Question

Hello all.   I have a problem with my Dimension 4700 desktop.  A week or so ago, once the computer was booted up, it would run for about 10 minutes or so and then the screen would go blank.  At first this happened while playing City of Heroes.  The character was unable to move, either, so I didn't think it was a video card problem.  Then, not too much later, the screen would blank out after the computer was running for 10 minutes.  Now I'm at the point where nothing comes up on the screen.  The power comes on both the tower and the screen.  Its like the computer turns on but doesn't reboot.  When I looked inside the tower, the hard drive has only 2 cables running into it.  The wide grayish-beige cable and a blue cable.  There is a port that doesn't have anything connected to it.  I'm not sure if it a cable thing or if there is a hard drive or motherboard problem.  Any thoughts about this?   Thanks for all your help! James

rj98 · Answer

I have an older Dell, but when it's starting up, if you hit F12, it will let you boot into the system test utilities, where you can have it scan all your hardware for problems.  maybe that will help you.

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