Very often, malfunctions with connected USB devices and device descriptor failures can be fixed simply by turning off the computer or laptop. Malfunction of USB devices due to power or static electricity problems To do this, as in the previous method, go to the Device Manager and for all Generic USB Hub, Root USB Hub and Composite USB devices, click with the right mouse button on «Properties» and, on the « Power Management ”, uncheck the“ Allow this device to turn off to save power ”option. If the above method worked, and after some time your Windows 10 or 8 started to write the device descriptor fault and code 43 again, an additional action - disabling the power saving features for the USB ports - can help here. You can also try the method described above (driver update) for this device in Device Manager. Afterwards, it is not necessary to continue with the rest of the drivers.Īlso: if the message that the USB device is not recognized appears in Windows 10 and only when connecting to USB 3.0 (the problem is typical of laptops upgraded to a new operating system), then it is usually helpful here to replace the standard driver Installed by own operating system Extensible Host Controller Intel USB 3.0 driver with the one available on the official website of the laptop or the motherboard manufacturer. What should happen (if successful): If you update (or rather reinstall) one of these drivers, your 'unknown device' will disappear and reappear as a recognized device.

From the list (there is most likely only one supported driver), select it and click 'Next'.Īnd so on for each of the specified devices.

Select 'Select from a list of already installed drivers'.

Select 'Browse for drivers on this computer'.

Right click on the device and select 'Update Drivers'.

For each of the generic USB hubs, root USB hubs, and composite USB devices, complete the following steps.

You can do this by pressing Windows + R and typing devmgmt.msc (or right-clicking the start button).

The last usb device you connected