No apology is necessary! /forums/images/graemlins/smile.gif /forums/images/graemlins/smile.gif
And if I wasn't blessed with ignorance I probably wouldn't have this problem. Thanks for the efforts to help.
My problem was the power supply apparently. After disabling the graphics card and the CD-RW and installing the card everything worked as it should. A new PSU will be a lot cheaper than upgrading right now!