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HD, Motherboard or PS Problem?

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Turn on power. Led lights on HD and stays on. No bootup/post or display on CRT, no bios beeps heard. Does not boot from Startup Disk. Power Supply seems to check OK. No error messages.

Any suggestions to isolate the problem?

4 replies

by otl

No bootup/post on CRT ? HUM. Possible video card/CRT) problem? should give something on the CRT (Flashing cursor - if the video card/CRT is good) or MB/CPU has checked out for good. Unplug all but esentials monitor, floppy, and keyboard and see if you get lots of beeps and video (anything would help). Would not hurt to have a bootable floppy in the floppy drive, if it boots all plugged in items are eliminated.

One at a time add components until crash/no-post and you should have identified the problem component. Logical (step-by-step) trouble shooting is the only way to quickly isolate a problem.

BTW - For me it was a steaming HD (that could not be identified by the PC as a computer component) that stopped my system as you describe.

by fred07

Hi

Start by using any known good monitor.

Then the crt card

Removing ram should give beeps however some MB's do not beep.

Make sure cpu fan is running

Even unplug the HD while testing as bios will post with only the cpu and ram present if the crt is operational.

No beep would leed me to believe crt not functioning

fred

by hereinoz

I would have a look at the CPU first. Unless you have been tinkering with the BIOS settings and endeavouring to overclock the CPU and it isn't playing the game. If this is the case try re-setting your BIOS with the appropriate jumper. (check your motherboard manual for this)

Otherwise be very suspicious of the CPU. Sounds like it is not starting. Could be the Motherboard but I would start with the CPU. Can you get hold of another one that suits the Motherboard and swap it?

Alan

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