1. first check ur USB port using any other USB device, like pen drive, mouse, keyboard,etc.
if system detects that device, then ur USB port is OK!
2. if USB is OK, then the problem is with the 'Printer Driver' not the cord!
3. reinstall the printer driver!
4. update the driver!
5. if USB port is not working, then replace it!
if this helps, tell me.......
Uninstall the printer driver, going to :
start > control panel > add/remove programms
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restart computer, reinstall drivers from the printers manufacturers website or from the driver cd which came with printer.... follow on screen instructions..
Check make sure the usb drivers are loaded and they have no errors. You can go to control panel-system-device manager. If you have a yellow question mark then go find the chipset drivers for your laptop if not you may have a dead short to the usb controller chip on the motherboard.
SOURCE: toshiba a135-s2356 usb ports stopped working.
Check your Device Manager
XP
my computer right click
go to properties
then go to device manager
then go to usb
Check to see if it has an x on it if it does try new softaware
by right clicking on the USB and Update
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