Question

Can you reset a motherboard bios to default settings from the physical motherboard?

Asked by: gpersand

I made a bios change to my motherboard and now my machine will not display anything on the monitor.

Within bios I made a few changes to the advanced chipset features. I increased the FBS from 166mhz to 200mhz and increased the agp arp size from 128mb to 256mb.
Now windows wont load and I cant see anything onscreen.

The machine is powering up and the fan on top of the cpu seems to be running without any problems. I dont know wether windows is loading and I just have no picture.

Can you reset a motherboard bios to default settings from the physical motherboard as I feel this would be the only thing left to do to resolve this issue?

Please can an expert help me resolve this issue.

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Asked On
2005-12-07 at 13:41:54ID21656986
Tags

reset

,

motherboard

,

bios

,

default

Topic

General Computer Systems

Participating Experts
3
Points
500
Comments
8

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Answers

 

by: MrBillisMePosted on 2005-12-07 at 13:47:01ID: 15440187

There is a jumper to clear the the cmos, you might try removing the battery for half an hour, that may do it.

 

by: garycasePosted on 2005-12-07 at 15:44:05ID: 15440908

As noted above, most motherboards have a "CMOS Clear" jumper; or you can simply remove the CMOS battery (round, quarter-sized silver battery on the motherboard) for a few minutes (with the computer unplugged).

If you aren't sure about how to do this, post the make & model of your motherboard and we can give you specific instructions.

By the way, the advanced chipset features should not be changed unless you have a very good knowledge of exactly what you are changing and why you are changing it.   This is not an area you should "experiment" with.   In your case, increasing the FSB was almost certainly what caused the main issue.

 

by: gpersandPosted on 2005-12-08 at 12:26:54ID: 15447813

I removed the motherboard battery and left it out overnight while the machine was off.
After replacing the battery the next day and powering on, the same problem was there.

With regards to the jumpers. The motherboard has several jumpers onboard and I am not sure which one the remove.
I dont have the instruction manual but I do have the model which is a "MSI K7N2, nvidia nforce2,  8x agp".

Thanks for the help so far.

 

by: gpersandPosted on 2005-12-08 at 14:31:18ID: 15448789

I have found the manual for my motherboard and set the correct jumper to claer CMOS but this also did not work.
Also regarding the motherboard,  model on my reciept said MSI K7N2, nvidia nforce2,  8x agp , but the manual I have says it is a MS-6729(v1.x)ATX Mainboard.

Given that I cleared the CMOS as described in the manual what else could the problem be.

 

by: zstafaPosted on 2005-12-12 at 12:45:39ID: 15469367

Could be a corrupt bios. Try reflashing it with the correct version.

http://www.msicomputer.com/support/BIOS_Award_Recovery.asp

Also do you have an extra video card you could swap out to check if you fried the old one? Good Louck

Z

 

by: gpersandPosted on 2005-12-13 at 03:05:08ID: 15472937

zsafa
The video card is fine as I am currently using it in another machine.
I am not sure how to reflash the bios. I can create a boot disk. Please could you give me more detailed instructions on how to complete steps 2-5 from your link.

BIOS Recovery Feature  
   
  For Award BIOS  
1. Make a bootable floopy disk  
2. Copy the Award flash utility & BIOS file to the said floppy disk.  
3. Create an autoexec.bat with "awdfl535 biosfilename" in the content e.g. awadfl535 a619mj21.bin  
4. Boot up system with the said floppy (it will take less than 2 minutes before screen comes out)  
5. Re-flash the BIOS & reboot.

 
 
   

 

by: zstafaPosted on 2005-12-13 at 10:41:50ID: 15476172

 

by: gpersandPosted on 2006-01-27 at 07:26:35ID: 15805389

This solution did not work as the computer would not boot from the floppy.

20120131-EE-VQP-002

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