COMPUTER WON'T DETECT HARDDRIVE AND CD-ROM. I PLUGGED IN A DIFFERENT DRIVE TO TRY AND INSTALL LINUX ON IT. WHEN I PLUGGED IN THE OLD DRIVE IT WON'T DETECT IT. ALSO WHEN I HAVE CD AND HARDDRIVE PLUGGED IN, THE COMPUTER JUST SITS THERE AND DOES NOTHING. WHEN I UNPLUG THE IDE CABLE FROM THE CD ROM THE COMPUTER FIRES UP, BUT NO DETECTION OF THE HARD DRIVE. BOTH CDROM AND HARD DRIVE HAVE BEEN PUT INTO OTHER MACHINES AND WORK FINE. COULD IT BE A POWER PROBLEM GOING TO THE MOTHERBOARD?