I just put this computer together yesterday, and I finally had to go to bed last night. The computer only boots when it the clear CMOS jumper is set to clear. This is really strange. I have tried to isolate the problem.
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How many hard drives? IDE or SATA?– DaveJun 6, 2013 at 6:45
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What have you done so far? Please provide more detail. Have you checked the CMOS battery is OK and seated in the holder properly?– TogJun 6, 2013 at 6:59
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Duplicate superuser.com/questions/709985/…– Josh CampbellApr 10, 2017 at 20:44
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1 Answer
To be honest, this question is very vague and some may suggest to vague for this site; the reasons are nearly endless so I'll give you a few thoughts and suggestions.
This sounds like the battery is dead or nearly dead on the motherboard! The CMOS is not able to store the information for the BIOS. When you reset it, it has enough charge to tell the BIOS it's been reset, therefore use default values. Next time round, it cannot access the information.
Also, make sure the fan speeds are not on variable but all are set to constant.
It could be a power issue (IE, fautling PSU) although unlikey IMO.
Lastly, you have a faulty motherboard. Change the board over.