bios not working

I recently updated my chipset driver and GPU driver and now I am unable to launch into my BIOS. I do not know if either of these driver updates had anything to do with this issue but I only noticed it after installing them (I reverted to old versions of both, but this did not fix the issue)...

Hello, I have one really old PC which I just don't wanna let die.The original PC build is : MB: m3a78 Asus am2+ CPU: AMD Phenom 9650 x4 2.3GHz Black Edition GPU: ATI HD 4830 1GB (replaced) HDD: WDC1001FALS-00y6A0 RAM: 4GB (2x2GB modules 1066MHZ DDR2) PSU:500W Recently I've replaced the...