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PC does not boot up, some times!

Trish's Escape from Hardware Hell Help Board » Hardware » Dead, Dying or Booting Problems » PC does not boot up, some times! « Previous Next »

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Juan C. Cuevas
Posted on Tuesday, January 15, 2002 - 12:03 pm:   

I have an old clone PC with a Shuttle MBoard, Intel i430VX Chipset, 32MB EDO SIMM, AMD K5 90 MHz processor.

Some times the pc does not boot up. CPU and Power supply fans turn on, Hard drive spins, Pwr and HDleds light up, but nothing else happens. Doesn't matter what you do, how many times you press the restart button, turn on/off or unplug the power cord, it just start to work again when system decides by itself. Maybe some warm up time helps. When finally boot, everything runs normally.

I tried other working parts: CPU, memory, power supply, video card. I removed all the expansion cards even the hard drive and booted from a floppy but nothing.

any other idea before a “hammer analysis” to the motherboard?

Juan Carlos Cuevas
Posted on Tuesday, January 15, 2002 - 12:22 pm:   

When the computer boots normal do you hear a beep? when the computer doesn't boot normal do you hear any beeps?
Juan C. Cuevas
Posted on Wednesday, January 16, 2002 - 7:03 pm:   

That's correct pal. There is a beep when boots normal but nothing when don't...

Posted on Wednesday, January 16, 2002 - 8:55 pm:   

Since you already replaced the power supply, the only thing I can recommend is check the CMOS backup battery, Just before the battery dies altogether this symptom can occur. If the battery is O.K. try resetting the bios to factory default.
Posted on Monday, February 11, 2002 - 7:04 pm:   

Thanks a ton E.S.!!!

Sorry if I didn't before. Resetting the BIOS to factory defaults was the key. Everything is running smooth now...


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