Computer is about two years old. Running Windows 7 64 bit SP1, with ASRock Fata1ity Z77 Performance motherboard, Seasonic X-660 PSU, and 8GB RAM clocked at DDR3-1600. CPU is i5-3570K overclocked (on demand) to 4.0 GHz.
Previously, pressing a key on the keyboard would wake my computer up from...