Have you had any success yet? Mine still isn't working, and Toshiba support isn't interested because it's out of warranty. Although this problem happened shortly after the BIOS password defect locked up my computer, which Toshiba did fix.
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As Windows an operating system Toshiba
Satellite C655 and C650 laptops and the USB port(s) are not working, run a DIAGNOSTIC TEST. If the test will reveal that you have no problems with the USB divers, but your ports are not able to recognize the ports the problem may occure from the
installed software. It happens that one ore more drivers to generate a "conflict" with that USB driver.Go to
SYSTEM RESTORE and check the restore point of an earlier time. This is a SUCCESS AND FAILURE tests so keep rolling back in time until you will make it working.
be careful using hubs with this model mine didnt like them,if yours is the model with sd card reader in the side try sloting a card in if it dosent pick that up then you will have to load windows on again problem with usb internal settings,if this is the problem it picks up the device but you cant access it.
Im assuming you have XP loaded..... have you tried to unistall and reinstall the USB ports?
reboot and restart,
should auto recognise the device and self install,
reboot and restart,Test usb
dont for get SP2 updates for functionality of the devices
I would go back to device manager and uninstall all drivers in the USB category. Reboot and Windows will re-detect all the USB ports, this should work. If it was an electronic problem then some ports would work and other wouldn't but not all since there is multiple USB controllers in most computers these days.