I feel stupid now. The problem was solved by booting the BIOS setup utility and restoring settings to factory defaults. Sorry for wasting time, thanks for helping. If I have any problems after this, I'll be back.
My Computer
- Computer type
- PC/Desktop
- Computer Manufacturer/Model Number
- Custom
- OS
- Windows 7 Ultimate x64 on desktop, Windows 7 Ultimate x86 on two laptops.