windows 7 doesnt start

[wjbjnr]

i have a desktop computer with 2 sata hard drives of 80 gb..and a core 2 duo e series..2 gb ram ddr2...
the problem is when i install win 7(pro 32 bit 7600 buikd) ...after few days the windows just doesnt start and it just restarts again and again until the windows installed all over again(the repair option says that the problem could not be solved)..after few days again the windows is installed..........what cud be the problem???can it be hardware based problem???like motherboard???or what???
plz help!!

 

[CarlTR6]

When you say it does not start, what does it do? Are you getting a Blue Screen?

 

[wjbjnr]

no there is no blue screen.........when the "starting windows" logo comes the pc restarts...even when the option of safe mode comes after the restart..it still restarts when it is loading drivers in safe mode........

 

[wjbjnr]

what cud be the problem??

 

[wjbjnr]

anyonne?????