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Cannot boot from hard drive or CD-ROM (monitor goes off and restarts)

londonbjk
londonbjk asked
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Last Modified: 2010-04-25
Hi,

I am having my desktop for a year now and everything was fine till last week. Suddenly after trying to power on the computer it didnt detect the hard drive at the beginning. later it start detecting the hard drive but it cannot boot from it. At the beginning I thought is an hard drive issue so I brought a new hard drive but the problem was the same. As soon as comes up tp the place to boot the operating system the monitor switches off and the computer restarts itself. I tried to boot from the cd rom and got the same problem, it comes up to the point cd rom detecting booting OK and stays there it cannot boot. I tried removing the RAMs one in turn because I thought it might be because of the memory unfortunately didnt solve the problem. So When I switched on the PC as soon as tries to boot the operating system monitor goes off and comuters restarts again. Any opinions?
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