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Troubleshooting the problem Cause.

A few days ago my computer started randomly locking up over night. I'd just restart and it would come up fine. Then one morning I go to access a sata drive that I used for storage and my computer locked up. I restarted it, went back into the drive same thing. I figure maybe there was something wrong with the drive or connection so I unplugged it. My pc started fine. I went to work and came home to my computer no longer booting all the way. It would go to the windows boot screen and and just restart. After swapping that IDE drive into another pc as a second drive windows detected many bad sectors. I realize this drive is done for and then tried putting the sata drive in to see about getting my data off of it. It would spin up but the pc would never recognize the drive as there. This one is probably dead as well. I then Dismantle my whole pc to try and look for any noticable problems. I noticed some black on the power supply and took it appart and found some damaged compontents so i threw it away. I then examined the motherboard and saw no noticable issues with it. I put it back in its case and hooked it up to another powersupply and put just a video card in it, it loaded fine so I hooked up another IDE drive and it recognized the drive fine. I partitioned the drive and then went to go install windows. It then seemed to be having trouble reading the disk in the cd drive and I went to power it off the button was not working. I went to pull the power cord out and plug it back in and as I was just pushing it in, I noticed a smell and heard some crackling coming from the back of the power supply. I haven't turned it back on since. I think this power supply is now spent as well. I'm just not sure why. Any ideas would be much apreciated. thanks!

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Good story but not enough info, ID of parts needed

from each step. My guess and that is all it is, you have a short from motherboard to case or a bad motherboard at this point. Your are now eating up replacement parts, is this computer worth it?

Replacing the power supply would be about all I would and from your post you have done that. Next step, get a second opinion.

Try taking it to a repair place and pay the bench fee and let them tell what is wrong. You may save your replacement parts for your next build or repair. The last time I did this I paid 30 US dollars and was told the motherboard was bad. I saved buying and installing a lot of parts and time. It is your call. Good luck.

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what is needed for test?

my mobo is a p4p800e-deluxe with an intel p4 2.8ht.

for this benchmark test did you take your whole rig, or just the motherboard and cpu? and if I just bring the mobo and cpu and they find it okay would agree then that my problem is probably a short with the case?

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I may have confused you.

Take the computer(case, burnt parts and all). Tell them what happened, and what you have done to fix it. Explain that you want to know what is wrong and not to repair without your okay. The goal here is to find out what is wrong and only pay the bench fee. You want a second opinion, not a big repair bill.

When I did this it turned out to be the motherboard and power supply (I knew this one, the PSU had smoked parts in it). The shop repair person showed me the burnt parts on the motherboard and told me that when a new power supply was installed the test bench breaker popped. I had agreed to at least try a new power supply. The shop did not charge me for the power supply, only the bench fee, 30 US dollars.

I took my dead computer home. I re-built the computer, the only parts I was able to re-use were the case and video card. I believe it was a bad power supply that caused the problem and when it failed the motherboard and the rest of the computer parts were damaged. Why the video card still works is a mystery to me.

Go to this post to see what happened to a person with a similar problem. See what clues they had and what they did. I think it will help you with your computer.

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