After your computer restarts, wait until Windows automatically install USB Controllers drivers again and then test your USB ports.Īdditional help: If you still have problems with your USB devices then try this guide: How to fix USB device not recognized or USB not Installed problem. * Note: If during uninstall process, you lose your USB mouse functionality, then use your keyboard arrow keys to highlight the rest USB devices and then press simultaneously the " Shift' + " F10" keys to open the right-click menu to select " Uninstall".Ĥ.
In device manager, right-click on every USB Controller and select “ Uninstall”. Uninstall USB Controllers from the Device Manager.Ģ. Perform the same action (Delete) with the “ LowerFilters” key, if found.Ĩ. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\Ĥ. Inside Windows Registry, navigate (from the left pane) and highlight this key: Press “ Windows” + “ R” keys to load the Run dialog box.Ģ.Delete ‘UpperFilters’ & ‘LowerFilters’ registry keys. How to solve USB Error Code 39 (or 41)– USB Ports & Devices not working Step 1. * Note: The solution is tested and it works perfectly on Windows 7 OS, but also works on Windows XP or Vista based computers. After a lot of research, I finally discovered the solution below that fixed the USB Controller Error 39. This will open up the device’s properties. 4.Select the device that’s causing your computer to wake up and double-click it. 3.Next, type devmgmt.msc into the search bar and click OK. 2.Then press the Windows key + R on your keyboard. (Code 39).”Īfter examining and troubleshooting the USB ports using the instructions from this guide: How to fix USB device not recognized or USB not Installed problem, the USB Controller problem still existed on his laptop. This will tell you which devices are causing your Windows 10 computer to wake up.
When error code 39 occurs, then, in device manager, all USB ports appear with a yellow triangle with an exclamation point and at the device properties, the following error description appears: “ Windows cannot load the device driver for this hardware. Furthermore, no USB device, like a USB Printer or a USB storage device, could be recognized by his system. A few days ago, one of my customers noticed that the USB mouse was not working on his laptop computer.