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Auto rebooting

imported_tomcat1

Junior Member
My old Athlon 1Ghz system was getting old so I upgraded the video card to a new 9600pro that I got off of Ebay. The system wouldn't boot so I sent it back and got a new one and it worked ok for a while then the system started rebooting. I got fed up with the system and thought my MB was bad so I ordered and new ASRock 939-SATAII, AMD 3000+ Venice, 1Gig Kingston memory (2x512), Hitachi Deskstar SATAII 80Gig HD and a Antec 400W PS. It may have been a mistake but I used the old 9600 pro video card.

Anyway. I started the machine and was working ok for a very short time and I got to the point where I could load my boot disk and the darn thing rebooted on me and kept doing it and not always at the same time. At times it would only get to the first BIOS post and reboot. I cussed a little the took out the 9600 pro and ran up to Wal Mart of all places and picked up a POS GeForce MX 4000 and stuck it in and it continued to reboot at different times again. The only other components in the system that are old are my CD drive and my CD-RW drive plus my floppy. I disconnected my floppy and had one CD drive connected at a time as Master and got the same results. I haven't tried to get a new optical drive yet because I would have to assume both drives are bad that I have.

Has anyone heard of a Monitor causing this problem? In my old system sometimes the monitor would shut off without rebooting so I thought at the time it was a video card so I put in an old TNT2 and the same thing happened.

Is it maybe possible that my Ebay 9600 pro fried two motherboards?

I've built other systems before and never had this problem. Soon my wife will get on my back and ask why I didn't just buy a new system from Best Buy or something.

Any help is greatly appreciated. Sorry for the book of info.
 
The PSU is new also, Antec 400W. My case is old though. I'm wondering if my reset switch could be shorting out? I'll have to check that tonight. I'm going to kick myself if the problem was a cheap little pushbutton switch and I spent all this money to upgrade.

The only other thing I can think of is the old video card fried my new MB. I'm grasping at straws now.
 
Bad stick of Ram?

Try only one stick at a time with normal timings nothing agressive. Maybe even underclock the ram.
 

The whole problem turned out to be my reset swtich on my case!! I disconnected the connector from the motherboard and that's all it took. I'm flying now.

Thanks for the suggestions. Remember the simple solutions can save you a bunch of money!
 
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