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Computer won't start up and has a constant tone.

\015 When I turn on the computer (ACER Aspire AST690 UP925A) the fans come on and the DVD drive light blinks for about 1/2 second. \015\012Then everything goes off for about a second. Then the fans & drive light come back on for a second, then a constant tone starts. The fans keep running, but the drive light stops blinking. Nothing else happens. Nothing shows on the monitor. \015\012\015\012I've tried uplugging the hard drive power and data connections, but it doesn't change anything, so I'm thinking it's not the hard drive. I've cleaned the fans and vacumed out all the dust I could get. I can't quite tell where the sound is coming from though.\015\012\015\012Any suggestions?\015

Answers :

If the noise is constant then it means the problem is either:

1: a Power supply issue
2: a motherboard issue
3: a keyboard problem

the latter of the three being the easiest to fix, try booting with your keyboard unplugged or even better if you have another keyboard try using it to see if that corrects the problem.

If the above does not work then you have a problem with 1 or 2, and in order to find out for certain you will need to test it, you can goto your local computer diagnostic store to see if they can check which it is.

and hope its not a problem with the motherboard.

Hope this helps, and Good Luck
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