toddfer, not sure about your computer user abilities and do not want to be insulting or anything, but go ahead and check this out first. If you have already tried this let me know so we can get it straightened out. Also, of course, check your computer with a good anti virus program and check for any malware that can mess with your sytem

Perform a system Restore using a restore point prior to the loss of the USB.

Then check these areas:

• The Device Manager

START | type dev man into the Start Search box | right-click on Deice Manager that appears up top | select Run as Administrator | look for any red/yellow flags - pay specific attention to the USB area.

Problem Reports and Solutions -

START | type wercon.exe into the Start Search box | right-click on wercon.exe that appears up top | select Run as Administrator | view "See Problems to Check".

• The Event Viewer -

START | type eventvwr into the Start Search box | right-click on eventvwr.exe that appears up top | select Run as Administrator | view the various logs starting with the Administrative logs.

• Reliability and Performance Monitor -

START | type perfmon into the Start Search box | right-click on perfmon that appears up top | select Run as Administrator | view both the Performance Monitor and the Reliability Monitor.

The other thing that you can try is to go to the control panel, select Sytem, select hardware click on Device manager and scroll to Universal serial bus controller and Right Click on the USB Root Hub and select uninstall, You might even have some that have a triangle on them identifying an error or even crossed out red. Delete all those. Once deleted a restart of Vista should find your USB ports and identify it as new hardware and install it as new hardware.USB is Plug-N-Play and Vista will find the drivers for you automatically.

If this does not resolve your issues, you may have to check the bios of your computer and see if it displays anything with the BIOS but try this first and get back to us...:) good luck

Try removing your Battery for 5 to 10 minutes. If you have a device plugged in you may have to reload its driver. ie. printer

Its The I/O CHIP Non of the above method work,The above mentioned work only if one of or two usb has stopped working but not all of them so its the I/O CHIP.

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bold texti also experiencing this problem..ive done everything that posted here but nothing happens..ang i dont know how to set up the bios menu im afraid i might get the set up wrong and affects the laptop performance.. can some one pls help me..email me at loraineanne.2389@yahoo.com thanks in advance.bold text ty again