Originally Posted by H R
the cable comes from the hard drive and runs behind my keyboard and down to an extension.
- you'll have to hit me agian with that one

. No 'power cable' should do that.
Sounds like 'back to basics'!
Have you got power at the input end of the cable into the computer? Normally a 3pin moulded black job.
If so, have you got volts in the white connectors from the PSU inside the case?