thanks man for all those replies ... i forgot to say that 2 months ago there was a lighting in our home place , after that only my bios corrupted , my modem was burnt, and i am not sure whether my ram could also be affected ,..... any idea .????
i removed that nforce driver and installed the one which came with the graphics card but still the problem is there ....
please guys help me .....
waiting for ur replies.....