Windows 10 users reported a new unknown USB device error that suddenly started popping up. An unknown USB device error message is displayed Device descriptor error o Device descriptor request failedand Windows no longer recognizes a USB device. This can also happen with an SD card and the computer will no longer read the SD card when inserted into the card slot.
If your USD device has suddenly stopped working or you are getting this error then there is nothing more to worry about. We will help you to solve this problem and error using our methods. Go ahead and do the methods one by one, until the problem is solved.
The error can occur for several reasons. So you may need to try various methods before it gets fixed. Perform these methods to resolve the problem. Before trying the methods, please note that if you are using a USB hub or have mixed USB 2.0 and 3.0 ports, try plugging your USB device directly into the 3.0 port and see if it works.
Solution 1: Reinsert the power supply
If the problem is with the power supply, this method can fix it immediately.
1. Remove the power plug from the laptop.
2. Reinsert the power supply.
3. Restart your computer and connect the USB device to the USB port.
Solution 2: Reinstall the unknown USB device driver
In this method, we will uninstall the unknown USB device drivers (device descriptor error). Faulty drivers can also cause this error. This may have happened because Windows automatically updates the drivers via Windows Update and may have installed the wrong or damaged drivers. So in this method we will uninstall the unknown USB device drivers (device descriptor error) so that we can restore the default drivers. Follow the steps to perform this method.
Step 1. Open Device Manager. To open Device Manager, right-click Start menu and select Device administrator.
Step 2. Now, look for the entry Unknown USB device (device descriptor error) with the yellow mark. And under Universal Serial Bus control devices. Expand and right-click Unknown USB device (device descriptor error). Click on Uninstall device.
Step 3. Now, disconnect the USB device from your computer, if it wasn't already, and reconnect it to the USB slot.
4 Phase. Look for hardware changes. In the Device Manager window, click Check for hardware changes.
Windows will now reinstall the unknown USB device drivers (device descriptor error). This should fix the problem. If the problem persists, try the next method.
Solution 3: Disable USB selective suspend settings
In this method, we will try to fix the problem by disabling the USB selective suspend setting. Several users found that this method worked for them. Follow the steps to perform this method.
Step 1. Open Power Options. To open Power Options, right-click Start menu and select Power options.
Step 2. The last step will open the Power Options settings window. Here, search Additional power settings and click on it. It will be found below Related settings.
Step 3. Now click Change your plan settings of the selected plan on your computer.
4 Phase. In the Edit Plan Settings window, select Change the advanced power settings.
Step 5. The last step will open a small Power Options window. Here, search USB settings and expand it.
Step 6. Now expand USB selective suspend settings. You need to change the status of all entries to Disabled. After that, click To apply and then in ok.
Fix 4: disable fast startup
In this method, we will try to fix the problem by disabling fast startup. Several users reported that this method worked for them. Windows 10 starts up very fast and for this reason Windows does not recognize many (external) USB devices. Follow the steps to perform this method.
Step 1. Open the control panel. To do this, go to Cortana and type Control Panel. Click on Control Panel From the results.
Step 2. The last step will open the control panel. In the control panel window, click Choose what the power button does. It is located on the left side of the window.
Step 3. Now select Change settings that are currently unavailable.
4 Phase. Here, you need to uncheck the box next to Disable quick start (recommended). It is located below Shutdown settings. After that, click Save the changes.
Step 5. Now restart your computer.
After restarting your computer, check if the problem is resolved. If the problem persists, try the next method.
Solution 5: fix the error
In the first method, we will try to fix the problem with the Windows troubleshooter. Windows Troubleshooter is the built-in Windows tool that checks and fixes problems. Many users have corrected the error with this method. Follow the steps to fix the problem.
Step 1. Open Troubleshoot. To open Troubleshooter, go to Cortana and type Solve problems. Please select Solve problems From the results.
Step 2. The last step will open a troubleshooting window. Here, click Hardware and devices.
Step 3. Windows will now look for problems. When the process is complete, click Apply this fix o To apply Automatically repairs, whatever appears.
4 Phase. After applying the fix, simply restart your computer.
This should fix the problem. If the problem persists, follow the next method.
Solution 6: Update the USB device drivers
In this method, we will try to fix the problem by updating the drivers. This could fix the problem as reversing them didn't help you in the last method, so the drivers are most likely outdated on your computer. Follow the steps to perform this method.
Step 1. Right-click the Start menu button and select Device administrator.
Step 2. Now look for Unknown USB Device (Device Descriptor Error). And under Universal Serial Bus control devices. Expand and right-click Unknown USB device (device descriptor error). Click on Update Driver.
Step 3. Click on Automatically searches for updated driver software.
Windows will download and install the latest drivers for the problematic USB device. When the process is complete, restart your computer and you will be free from the error.
If this method didn't work for you and you still get the error, try the next method.
Provision 7 - Uninstall the USB Root Hub drivers
In this method, we will try to solve the problem by uninstalling the drivers for USB Root Hub devices. Windows will automatically reinstall the drivers after restarting the computer. Follow the steps to perform this method.
Step 1. Right-click the Start menu button and select Device administrator.
Step 2. Expand Universal bus controllers. Here, right click on the first one Home connection for USB Please select Uninstall device.
Step 3. Repeat the previous step to stay Home connection for USB devices.
4 Phase. Restart your computer.
After rebooting, Windows will recognize the USB Root Hubs as new devices and will automatically install their drivers. This should fix the problem. Plug your USB device into the USB slot, it will now work properly.
We look forward to helping you solve this problem using our methods. If you solved this problem by another method or if you have any questions about the problem, mention it below in the comments.
