PC has been fine, suddenly on bootup it recycles continuously - checks DMA then reboots, over and over. No POST codes, no apparent clues.
We built this computer last Spring, MSI motherboard, AMD Athlon 64 Processor, 1 GB Corsair RAM. Nothing has been changed recently, no clear suspect in this mystery. At work I maintain dozens of workstations. I'm hoping those of you who maintain hundreds of them may have some wisdom or diagnostic suggestions to share!
This PC was acting up, 'when in doubt, reboot' so I rebooted, resulting in this continual reboot cycle. Next day, the reboot cycle was replaced by a POST code (repeated single long beep, not described in the MB docs). Checking cables, cleaning out accumulated dust, didn't resolve it. We tore most everything out, MB started fine. Added RAM, started fine. Added video card, started fine. Connected drives, still quiet. Connected monitor, Windows (XP Pro) reports an error (windowssystemconfigsystem file missing or corrupt if I recall). Verified all cables/cards/etc properly seated and firmly in place. Now, again, perpetual rebooting! ARGHH! If I enter CMOS Setup immediately on power up, I can casually peruse the settings, disable unused functions, but on 'save and exit' it goes back to perpetual reboot mode.
This is a symptom I've never run into. Any of you have any ideas? Almost all components were new last Spring, our power is fairly stable and the PC is on a UPS. Dust build-up was somewhat heavy, but fans were all spinning and it's been fairly cool for the last month and the room is air-conditioned when it's hot.
I look forward to your suggestions!
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