Disconnect data cable from hard drive and power on. Should stop at an error.
You can use a Live Linux DVD to boot and see if the hardware is ok. Hard drive is not required to boot live linux and run including getting on the internet.
Disconnect data cable from hard drive and power on. Should stop at an error.
You can use a Live Linux DVD to boot and see if the hardware is ok. Hard drive is not required to boot live linux and run including getting on the internet.