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Windows 7: USB not showing in my computer

08 Mar 2010   #1

WIN 7 Profeesional
 
 
USB not showing in my computer

Dear Team,

Help me i have new sony VPCS117GG laptop with win 7 professtional, after 2 days my usb not showing in my computer but its display througe manage or device manager. i went to service centre and they reinstalled the win 7 but after one day same problem comes.

Please help me,

thanks in advance

Robin

My System SpecsSystem Spec
.

08 Mar 2010   #2

WIN,XP,7,VISTA,SERVER
 
 

You can try this:


Alternatively, removing all entries relating to USB in Device Manager and all associated USB drivers will force 7 into refreshing the USB driver stack.
Begin by unplugging all USB devices, then use Add/Remove Programs in Control Panel to uninstall any USB driver software.
Next, boot up into safe mode and go to Device Manager. Once in device manager make sure 'Show hidden devices' is checked under the View menu. Uninstall all device entries in this order;
  1. USB peripheral devices (printers,etc.)
  2. HID and/or Composite USB (Human Interface Devices) You're using PS/2 input devices so you may not have this entry.
  3. USB Root Hub(s)
  4. USB Host Controller(s) (Universal or Enhanced Host Controllers) Then boot back into Windows (not safe mode) and it should populate the Root Hubs & Host controllers again. Proceed to plug your USB devices back in, starting with your powered hub. Be aware that most USB printers and scanners need to have their drivers installed first before you plug them in.
Finally, boot back into Windows (not safe mode) and it should populate the Root Hubs & Host controllers again. Plug your USB devices back in, starting with your powered hub.
*USB printers and scanners need to have their drivers installed first before you plug them in.
My System SpecsSystem Spec
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 USB not showing in my computer





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