Method 1: Delete UpperFilters and LowerFilters registry keysġ.Press the Windows key + R button to open the Run dialogue box.Ģ.Type regedit in the Run dialogue box, then press Enter.ģ.Now go to the following registry key: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\Ĥ.In the right pane search for UpperFilters and LowerFilters. Make sure to create a restore point just in case something goes wrong. So without wasting any time let’s see how to Fix USB Not Working Error Code 39 with the help of below-listed troubleshooting guide.
This can happen in case you have upgraded your Windows or you have installed or uninstall some USB software or drivers. Now the error code 39 means the device drivers are corrupted, outdated or incompatible which in turn is caused due to corrupt registry entries. Windows cannot load the device driver for this hardware. In the properties following error description will appear: Expand Universal Serial Bus controllers and right-click on the device which has a yellow exclamation mark next to it and select Properties. Once it’s confirmed that the device works on other PC then you can be sure that USB doesn’t work on your PC and in order to get more information head to device manager. But in order to verify this is the case here, you need to first test the USB device on another PC to confirm they are working on that system. Fix USB Not Working Error Code 39: If you are trying to use USB devices such as pen drive, keyboard, mouse or portable hard disk but none of them are detected on your PC then this means there is some problem with your USB Port.
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