Mani A wrote:
I'm intending to look at the CMOS battery, and perhaps try re-installing the BIOS. Any other suggestions gratefully received.
Do you have a Graphics card on the system?
According to lspci, it is a VIA Technologies, Inc. S3 Unichrome Pro VGA Adapter
Look at the keyboard too and the mainboard
But I don't see how either of these can be at fault, since the machine works perfectly under Windows and Linux, once it is booted. The keyboard is only disabled during boot-up.