Fix the problem “USB Device Not Recognize”

Sometimes when you plug in USB device in the port of  your PC/Laptop, you will get a serious error message “USB Device Not Recognize”. To fix this problem follow the steps.

• Press Windows Key + R and type “regedt32.exe”.
• Navigate to

HKEY_LOCAL_Machine\SYSTEM\CurrentControlSet\Services\Usb.

• If  the Usb key is not exist then create “usb” key under “Services”.
• Under “Usb” key create a new DWORD value. Right click on the right pain of the “Rgistry Editor” and select “New > DWORD value”.
• Rename this newly created DWORD value as “DisableSelectiveSuspend”.
• Right click on “DisableSelectiveSuspend” and select “Modify”. Put 1 in “Value data” field.
• Click on “OK”.

• Reboot your computer.

You can also try a another way. Remove the power supply without Log Off your computer and restart the computer. This process seldom works.

sumber : http://www.techtipsgeek.com/fix-major-usb-problems/2525/