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pc wont boot or even the processor beep sound

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by mychjr

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my pc wont boot or even produce the beep sound to indicate the processor is ok. It started with a blue screen, but now even the screen does not show, but the processor fan is working ok.

3 replies

by toivo talikka

Even if the processor fan is working, it is no guarantee that the processor is all right. Did you have any software running in the PC which monitors the temperature of the CPU and the motherboard?

It sounds as if you have a faulty CPU or a dead motherboard. Disconnect the power cord from the computer and make a note where the cables are connected on the motherboard and the devices and disconnect the disk drives.

Re-seat the graphics card and the RAM memory. Try to boot and see if you get the POST screen, showing the CPU details and the devices. Try without RAM, you should hear the error beeps.

If no joy so far, get hold of a similar CPU known to be working in another PC and swap it to see if the motherboard now starts up. If not, the problem is the motherboard.

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