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USB ports. My laptop does not detect my USB Flash Drive

Last response: in Windows XP
August 23, 2011 10:42:11 AM

i updated my nc compaq 6320 laptop to win7 professional,after which i noticed it does not recognised any usb device please i will appreciate any useful help. my mail add is "" tanx
a b D Laptop
August 23, 2011 1:41:38 PM

do you have a USB controller among the devices in device manager? (Start > Control Panel > System > Hardware > Device Manager)