Sinister Midget wrote: > MEMTEST86 should do the trick. It usually isn't too important that you > run all of the tests unless it's a really rare and random problem. > Generally a run through the first 3 or 4 tests should give some > indication. The best is to run all test, even the extended, for some _hours_. Usually 4 or 5 passes are enough. cpuburn [1] is faster detecting faults. It stress on the CPU itself, cooling system, motherboard (especially voltage regulators) and power supply. [1] http://users.ev1.net/~redelm/