WINDOWS 7 system USB drive is not available
? WINDOWS 7 systems often appear that the USB interface is not available, making the USB drive unavailable.
Device Properties Display:
Windows could not load the device driver for this hardware. The driver may be damaged or missing. (Code 39)
How to resolve:
To modify the registry:
hkey_local_macal_machine\system\currentcontrolset\control\class\{36fc9e60-c465-11cf-8056-444553540000}
Delete the LowerFilters item, upperfilters item on the right.
Restart your computer.
I have received a number of friends feedback USB flash drive between the sudden use of the past has been unable to help them solve.
Today I computer appeared this problem, find a solution on the internet, has not been found.
After the analysis to solve the optical drive is not available method, under class analysis of individual projects,
Finally found {36fc9e60-c465-11cf-8056-444553540000} is a key-value entry that records the USB hardware.
A try, sure enough success.
Give yourself a reward and take note of this process.
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WINDOWS 7 system USB drive is not available
