Question about ASUS P5GC-MX Motherboard

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BIOS resets after unpluging PC out of a power grid?

I bought PC with this motherboard few years ago. Now I need it for some purposes, but every time, when I unplug PC from a power grid (ie when I remove PC from one room to another), BIOS resets itself. I replaced battery, and that was somewhat helpful. Now that happens not every time, but sometimes. Anyway, just read on Internet similar problem as mine with this motherboard. Any ideas what to do for this to stop happening?

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  • ASUS Master
  • 3,606 Answers

Hello here is the homepage:

http://www.asus.com/Motherboards/Intel_Socket_775/P5GCMX/#download

Try to download a manual by selecting your windows system.
Open the manual folder and hit global for download.
Unzip the file and you need adobe reader to read content.

First of all when removing the cmos battery the bios resets to factory settings.
You need to setup the boot settings and the clock and save it when you leave the bios (read the manual how you do this)

The cmos battery (C2032) must have the volt reading 3,3 volts and the + shiny side facing you:


BIOS resets after unpluging PC out of a power grid - 11_29_2012_1_07_27_pm.jpg

Try removing the battery and clean the contact points with isopropylalcohol and a ball pin.
Take care not to harm the mainboard.
And take antistatic precautions.

Good luck

Posted on Nov 29, 2012

  • carni Jul 11, 2014

    You need a new CMOS battery situated on motherboard small flat silver disc about the 12mm Diameter same as Hans picture above

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Posted on Jan 02, 2017

arclight1217
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SOURCE: pc reboot ramdomly or freeze after a while

HI! THE ONE QUESTION I NEED TO KNOW IS WHAT OS? JUST GENERALLY I WOULD SAY THAT YOU MIGHT TRY TO UPDATE THE OS TO THE LATEST VERSION. AGAIN, NOT KNOWING THE OS, THIS IS A FIX I WOULD TRY. YOU SAID THE PROBLEM HAPPENED AFTER YOU INSTALLED THE OS, BUT WHAT ELSE WAS INSTALLED ALSO? YOU MIGHT NEED TO LOOK AT ALL PROGRAMS TO BE SURE THAT YOU HAVE THE LATEST VERSIONS AND THAT THEY ARE COMPATIBLE WITH YOUR OS. SO, THESE ARE SOME IDEAS FOR NOW. TRY THEM AND IF NO LUCK, REPLY AND LET ME KNOW THE OS YOU ARE USING AND THE PROGRAMS INSTALLED. OK? I'LL BE GLAD TO HELP.

ARCLIGHT1217

Posted on Nov 02, 2008

map9966
  • 2351 Answers

SOURCE: won't boot; now no video

Hi rwbta, from your description it sounds like a bios issue.
The bios only displays: (Press the Delete key for setup) when there is a problem with a device.
(Hard disk drive, video device, over clocking settings, ECT). After resetting the bios (As you have done), display should resume. Since it did not suggest you plug the monitor into the second VGA or DVI port on the graphics card & check for display. Try another monitor, (Just to be sure). If you are running in SLI, disconnect the primary PCI express card (Blue slot) & replace it with the second PCI express card. Boot the system & check for display. No display? Move to the second port on the card & check for display. Still no display? Than it is possible your bios may be corrupt.
You can buy a new updated bios directly from Asus estore online, click this link;
http://estore.asus.com/shop/ There are currently 217 pages to search through in order to find the bios chip for the M2N-E SLI board. (Your board is still under warranty).
You can save time by calling Asus tech at; 1-812-282-2787 & talk with a tech. If you choose to do so please write down the S/N found on the parallel port. The tech will want this & check to see if the board is still in warranty. After a short talk with the tech he or she may include another suggestion or you can just ask for an updated bios chip. In either case be sure to get a case number. The average cost for a bios chip is $5.00 not including shipping. Since this board is still in warranty this item should be free for you. Asus store hours: Monday - Friday 8:00 AM. To 6:00 PM PST, excluding weekends and / or holidays.

Good luck rwbta!
Mike


Posted on Nov 22, 2008

  • 1 Answer

SOURCE: Computer wont boot after memory upgrade

when working on computers you have to be carefull to ground your self before touching the inside of them. when installing memory you dont need to unpluge everythinf just the main power cord on the back of it.the blinking green light means you have something no pluged in right,double check everything you unpluged make sure it back in the right areas.on memory the slots are mark 1,2,3,4
make sure if the memory is diffrent in speeds the lagger ons go first.the first to slots normally have to be the same speed and size ram.if that does not work let me know i can look into it for you.

Posted on Dec 15, 2008

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