AIPTEK Pocket DV4500 - Manual (Page 76)

Troubleshooting on USB
2) Highlight the USB 2.0 controller ("Billionton USB 2.0 Host Controller" in this case)
and right-click the mouse, a menu should pop up:
a) Click on "Properties", and a sub-menu as the following should show up.
b) Click on the "Driver" tab. Then click on the "Update Driver..." button.
(a)
(b)
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