Whenever I run scandisk in through mode my system locks up and the only way I can get back it rebooting by cold booting. This has happened all the time since I build this system. I have pIII 550 machine with Nvidia Geforce video card and 64MB. Any help.
More aboutwin98 scandisk
try booting into dos via the boot menu and type this at teh command prompt
scandisk c: /surface /autofix
you may have a bad spot right where scandisk is sitting