this is problem of your motherboard just check the motherboard with any hardware vendor

make it clear

There are the mallwares and viruses still running in you system just install a full version kaspresky total security with latest updates and scan entire system it will full fill your needs. if you...

cmos battery is used for storing passwords of bios just remove cmos battery permanently reboot the system and install xp os



if any doubts you can put private message to me

thanks

vinuu

hi juangel,
just disable onboard network card by and select mycomputer and rightclick on mycomputer, select porperties and click on hardware tab, select device manager and rightclick on borard...

hi this vinnu i am new user of this comunity