Flashing a BIOS when computer wont get past POST

[artomis]

Alright, I have here a HP Pavilion 513c that needs a flashed BIOS. It boots up and begins with the standard startup features, but once it goes to read ANY of the attached devices, it restarts itself and locks up.

I know that the problem lies in the BIOS, but since it cannot load anything off of a floppy or bootable flashdrive, is there any way to flash the BIOS when it wont even load that far?

 

[Tmagic650]

Try clearing the CMOS by removing the button battery on the motherboard, with the power off and unplugged from the wall outlet

 

[artomis]

I have tried that a few times, but only to get the same reaction.

Also, I am actually able to get into the BIOS menu and look at the motherboard info, but when I go to the boot order or to create a back-up of the BIOS, it restarts instantly and locks up.

 

[Tmagic650]

The bios is corrupt. You may need a new bios chip... Have you swapped memory?

 

[artomis]

Yes, countless times with tested good RAM (used in my main PC) and it's the same size and speed. I have even swapped the CPU with another one compatible with the motherboard, but to no avail.

I thank you for replying, though. I'm sorry not to have said it earlier, but this problem has me really frustrated... -_-;

 

[Tmagic650]

It might be easier to buy another motherboard

 

[artomis]

Alright, I tried tweeking with the BIOS chip and I can now boot to my A: drive. I put my BIOS flash program on a floppy (After getting it to DOS with a bootable disk) and tried running the program, but it says it cannot be used in DOS mode. So close to solving the problem, but so far >_<

 

[artomis]

Is there any advice anyone can give me on how to flash a BIOS when the file wont load in DOS mode and my OS wont boot? Here's the link to the BIOS update I need.

http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=pv-15624-1&lc=en&cc=us&dlc=en&product=90832&os=228&lang=en