Been testing these sticks now for approximatly 24hrs now, and im even more confussed about the state of my system than when i started...

I have 1 stick that the pc wont boot up with, i have 3 that all test ok, but out of the 3 that test ok 1 of them was in the machine being tested while i was taking me mrs to work and when i got home there were no errors reported but the computer had crashed again in bios mode during the test....

ive just tried to get the machine to boot up again with a different stick inserted but all im getting is error beeps and no boot, so now im totally confused, could i have a fauly motherboard or dodgy bios.

when we first built the pc it wouldn't boot up at all until we downloaded the latest bios update for it and its run very unstable ever since...