Random Crashes

[flexo786]

hi
having overclocked my e4300 to 2.4ghz on stock voltage i have a problem for some reason say 1 in 3 times when i load my pc it will freeze once ive logged in to windows. once its been restarted then it will work perfectly. anyone know what could be the cause of this???

 

[flexo786]

turned out the raid controler was enabled. this has solved it for now i think

 

[flexo786]

is 2-3 hours enough or is better to just let it run all night. also what test would i use