i have a 2.8 p4 overclocked just slightly to 3.2 on a gigbyte ga81k1100 mobo corsair xms ram a tdk 48x cd burner and a 4x sony dvd multi format burner and a ati aiw 9600 pro and my hard drives are wd 80 gig and 60 gigs. my case is an antec soho 1040bii with an antec 400 watt psu. when i shut my computer off i cant turn it back on unless i turn the psu off for a few seconds and then back on. can ocing cause this or is there something else?