how to updat hp dc 8000 bios
 

iam new in bios field can any tell me how to update bios hp dc 8000

thanks in advance

What is a condition of the machine?

system is in working condition and have bios problem give msg system supply fan not detected but supply fan working says for f1 thats the main problem

If the system is working fine, then you can easily update bios from windows.
About Fan not detected, it might be the hardware problem.