Thanks jsc for the detailed reply. Unfortunately I had to put it to waste. I was fortunate enough to revive the computer before I read the reply. Otherwise I wouldn't be able to get online at home now.
This is what I did to solve the problem and I don't know how and why it worked.
1. Changed...
Hello,
Built my first system 2 months ago and it worked great since.
Since 2 weeks ago I had been getting CMOS checksum error on odd occasions on starting. I haven't done anything to the bios and the motherboard was new so I didn't think it was the battery.
Last night the computer just chit...