Just bought laptop and system date and time keep failing. Believe this is run by the bios but don't know whether a bios update is what I need to resolve this issue or is the battery on board faulty? Any offers?

Cheers... :)

Set the time at bios not battery problem

If adjusting the time didn't resolve the problem try to run System Recovery. If it didn't work it's a hardware problem. Resolution: Authorized Service Provider