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Pc not on

The computer was working fine till suddenly it powered off abruptly.. I don't know how it got powered off. But after that my machine does not POST. I see nothing appearing on the screen. Keyboard, mouse nothing is detected. Also there are no beep sounds. But guess i never heard the BIOS beeps when the PC worked fine.

The CD drive opens up if i only connect the power supply to it without any connection of MB to it. The fans are running and also the green light on the MB is on. But other than there is no activity.

I opened up my CPU and removed the processor FAN. Removed the grease from teh interface between the processor and the processor fan. Hope that is not a problem.. :(

I have searched the MB for any damaged/bulging capacitors ... have not found anything yet. :)

I have also tried removing the CMOS battery and booting. But no help.
Also i have tried to boot the PC with BIOS safe mode. Still no help. :(

I would really appreciate getting some help regarding some solutions to this problem. I have searched the net extensively but have not come up with worth while solutions till now.

Posted by on

  • manoj g
    manoj g Jun 09, 2008

    845 intel chipset

    1.7 ghz celeron

  • manoj g
    manoj g Jun 10, 2008

    how can i repaire my bios



2 Answers

Hello! This is subhash.

step by step cross-checking is given below. Follow these steps to get out of ur problem.

1) check wheteher ur SMPS is ok.
2) If at all ur cpu fan is running but no any other activity u find, just check power supply to ur motherboard.
3) Check ur CMOS jumper settings (used for clearing ur CMOS settings) .
4) Check ur RAMs.
5) And finally check ur bios chip.

Posted on Aug 02, 2008

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Please list the name & model number of the motherboard.

Posted on Jun 09, 2008

  • 1 more comment 
  • Mike Peluso
    Mike Peluso Jun 09, 2008

    Every Intel board starts with the letter D. Look at this link:

    Ther are a couple things you can try. If possible please swap out you're power supply. (A must try).

    Opening the CD-ROM & the fans running use a small amount of voltage. You're power supply could be defective. PC systems can shut down if there is an overheat issue (Mostly from CPU overheat). The system will do that so you're CPU does not fry. If you are using two DIMMs remove one, the farthest from the CPU & try powering up the PC. Still nothing. Remove the other DIMM & replace it with the first DIMM you took out. Still nothng? Try another power supply as I mentioned above.


  • Mike Peluso
    Mike Peluso Jun 09, 2008

    Don't forget to add thermal grease when putting you're CPU back together!

  • Mike Peluso
    Mike Peluso Jun 10, 2008

    CMS, I can not send you to Intel for a bios upgrade or to flash you're current bios without the correct Intel motherboard model number. Please click on the link I posted above & look very closly on you're board for the correct Intel model number. If you have you're manual, the model number will be listed there.




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