SATA won't power up

January 21, 2010 at 00:44:12
Specs: Windows XP
I was using an old build, that suddenly crashed, meaning everything worked fine until that point. It wouldn't turn on one day.
After checking everything (and not finding anything wrong) I gave it to someone else to check. They guy claimed it was the CPU that died.
I tried finding another CPU and took everything appart, and when I reassembled everything (after cleaning the CPU a bit), it turned on and everything seemed to work fine.
Then suddenly when I try to turn it on the other day, it starts powering up, but when it comes to the SATA the whole computer just turns off. Once this happens, the power button doesn't work, I have to flip the switch on the PSU off then on to be able to (try to) turn the computer on again.
I managed to disconnect the SATA and reconnect it, after it would have gone through the power up, and the BIOS actually saw it and everything worked. So I know it's the SATA causing the problem, but what is it, and how come it won't even power up?

this is what I remember off hand, as I currently don't have internet at home...
AMD 2.6 GHz
1 gb kingston DDR (I think)
one HD that works, although it's 40 gb IDE, can't remember the make or model
The one in question is a Seagate SATA, 140 gb also old.
The PSU is a Chill innovation 450 W if I remember correctly

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January 21, 2010 at 05:29:52
May be the cable is bad,loose or the hdd is going bad.Try to replace sata cable and download diagnostic software from manufacture website to check the drive.Have u try to start the system with sata hdd disconnected? If yes what happens.

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January 21, 2010 at 05:49:32
I have tried a different cable, both power and data connection cable.
If the SATA hdd is disconnected everything works, except I can't get it to connect to the internet. When I managed to get the SATA going (only sometimes, by connecting the data cable after a few secs) I also couldn't get any internet connection...

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