It's a Dell Studio 1458.
Approximately 3 1/2 years old.
Windows 7 64-bit. 6 GB RAM. 500 GB HD.
BIOS A04.
There doesn't seem to be any air outflow, yet I took it apart and the fan spins easily so I'm thinking the dust buildup is probably the cause.
HWMonitor lists the 27 C temp as the...