Hello to all,

When startup my system from a cold start it shuts down within second (aprox. 3sec) to startup again.
This happens several times after another but in teh end it always follows through to booting W7.
I am not sure but it started oon after installing my videocard.

System spec:
Abit AN-M2HD (BIOS ID: 20)
AMD Athlon64 X2 BE-2350
2x GeiL 2 GB DDR2-1066 Duo Kit (4Gb total)
Asus EAH5450 512MB PCI-e videocard
WD caviar 750GB harddrive
Hitachi 7K2000 2TB harddrive
Samsung SH-S223B S-ATA DVD writer
Antec 430watt powersupply

Any ideas why it does what it does?