hi there, i bought a usb pen drive and when I run knoppix in my laptop it works fine. A /mnt/sda1 directory is created automatically end everything is fine.

But when i tried to use it in my PC it doesn't work.

i read dmesg :

usb.c registered new driver usb-storage
SCSI1: SCSI emulation for usb mass storage devices
Vendor: Name:
Type: Printer
usb m mass storage
Warning : USB mass storage data integrity is not assured
USB Mass Storage device found at 3
USB support registered

but ther isn't /mnt/sda1 and i cant read /dev/sda1 or anything

help please