i think in bios it doesn't give me the option of booting from a usb device
then no you cannot install from the USB drive
Do you hav a floppy drive?
Do you have more than one partition on the drive?
If so then copy the I386 folder to another partiton (not C:) on the HDD
Boot from floppy and run setup from the I386 folder
format the C: drive and reinstall windows (makesure you have the serial Number.