Why a computer will keep corrupting OS?

By djfrankn ·
Hi everyone. I am working on a computer that first had a bad HDD, so I replaced it. Now I installed a new one, installed Windows Vista 64-bit and after a week the OS started having problems to start up until it completely stop booting up.
I checked the memory sticks with memtest, checked the motherboard with pc-doctor and had no errors.
So far the only thing I doubt to cause the problem could be a bad PSU.
Any suggestions?. Thanks in advance.

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That reminds me of the customer

by OH Smeg Moderator In reply to Why a computer will keep ...

Who to save themselves some money bought and fitted a New M'Board, Video Card, HDD, RAM, CPU and Optical Drive because their Power Supply was not producing sufficient current on the 5 V DC Rail. He reasoned that because the lights where coming on and the fans spinning the PS was perfect.

The idiot thing is that I repaired the computer by switching the PS Under Guarantee and then sold them a new Case to finish building a second computer.

Test the HDD with it's Makers Testing Utility and then if it fails that test remove it from that computer fit to another and retest. If it fails the second test the drive is on it's way to Silicon Heaven but if it passes the second test the Data Lead, Power Supply or M'Board in the first computer is faulty.

Now as you claim to have tested the M'Board, what is left? The Data Lead or Power Supply and which do you think it is likely to be?

Also to test the M'Board, CPU Ram and so on the Ultimate Boot CD is a great tool and it also has the majority of the HDD Makers Testing Utilities on it so it's a Must Have Disc in your Tool Kit.

It's available free here towards the bottom of the page



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Agree with OH Smeg - but also check for bad grounding

by markp24 In reply to Why a computer will keep ...

Hi, i agree with above, but you may also have a bag ground, check for that as well. You may also want to reflash/upgrade the bios

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by djfrankn In reply to Why a computer will keep ...

Thanks guys for the suggestions. Frank.

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