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PC turns on, wont POST or BEEP and NIC card burned/exploded :(

T

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Senior member
Hello, I am having the same problem as mikk37 is having right now with a PC i built for someone, HOWEVER when i opened the case, after examinning the hardware I found that the PCI network card had Exploded/burned :Q The Realtek chip on the board had burned and a piece fallen off. And now i can turn the PC on but there is no POST, NO Speaker BEEPS, and NO video signal. I already tested the Vid Card (AGP) and RAM (DDR) and both work on my other system. I just tried clearing the CMOS and nothing.

Can someone give me a tip on maybe what is the problem: PSU, CPU, MOBO? Thanks in advance.

PS: I could test the chip on my system, but my problem is removing the heatsink from the chip because its a heatsink that comes with its own thermal pad and i dont know how to remove it or clean it. If anyone can give me a tip here on how to do it, ill apreciate it.

System: Athlon xp 1800, k7s5a, 350w PS, 256 ram, radeon 32mb card, hd, zip, floppy, cd-rw
 
Sounds like your power supply over-volted the pci bus. Thats usually what happens when cards "explode". You need a new PS and maybe everything else too. Its possible it was just a MB failure, but I'd ditch the PS to be sure.
 
hello, i tested everything on another socket a motherboardi have on the same case and everything worked so i think its the motherboard. Its still a mystery that the nic exploded... maybe the PS.... 😕
 
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