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continuous beep meaning?

rogerdv

rogerdv

Member
Yesterday, I was called by a friend to see a PC which didnt boot. When turned on, it simply produces a long beep that only stops when turned off again. According to the owner, a technician tested another RAM and the problem persisted, also removed the installed internal modem without success. I was pretty confident that it was a defective CPU, tried replacing it with a working one, but found the same beep. I googled about the possible meaning, but the only thing I can find is "No power, loose card or short".
Can somebody clarify a bit about this problem? The motherboard has no cards besides the modem, and the PSU is quite poor and missing the extra 4 pins in the large connector, but this PC has been working perfectyl with it for a couple of years. What should I recommed, replace all mb/cpu and RAM?
 
Yes, but this specific board lacks a proper labeling. So I cant even identify manufacturer, model or BIOS. Also, according to the list, only IBM BIOS uses continuous beep.
 
I would test the board with only cpu, ram and video. Also try to change them if you have spare parts. Most likely is bad ram, then video (unless it's integraded), then motherboard. I did read that you already did some testing. Maybe the other ram tested was incompatible. Since you said the psu does not look well, you should test that too (with a known working one). Another possibility is a short on the motherboard.
 
try to remove everything but the system board and power supply, turn it on and see if it beeps for undetected memory, if it still beeps that long the system board is toast. If it does beep for memory loss, add in one part then turn it on, see which part is causing the issue. Maybe even try a different power supply.
 
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