[Fix] Device Descriptor Request Failed Code 43 - Techdim (2024)

Although not very common, the error message, “device descriptor request failed code 43”, often bugs Windows users. Although, it’s not something serious always.

When you see this message in the device manager, it can mean one of two things. Either Windows failed to detect the hardware properly, or the hardware is actually defective or malfunctioning. The easiest solution for this is to restart your computer.

In this article, we’ve explained when you might get this error message, and when you do, what to do about it when restarting fails to fix it.

Reasons Behind Device Descriptor Request Failed Code 43

There are reasons behind the error- unknown USB device (device descriptor request failed) code 43 in Windows 10 and other versions. The reasons are following:

• If the hardware is malfunctioning, this error may happen.
• When the USB driver file you are using is corrupt, it can cause an error.

• Sometimes, outdated USB drives file can also cause an error message.
• Often, the computer needs some update, but the USB driver file or the Windows PC is not compatible with the update. Then, the error can occur.
• If the USB controller is corrupt or unstable, you may get an error message.
• When your computer motherboard requires updated drivers, this error can occur.

How to Fix Device Descriptor Request Failed Code 43

Unknown USB device descriptor request failed code 43 error can be solved in many ways. We will discuss several methods to give the device driver error code 43 solution.

Method 1: Remove Power Supply and Restart

Step 1: First, you have to remove the power plug from your Laptop to disconnect the connection.

Step 2: Then, you have to plug in the supply again.

Step 3: Now, you have to reboot your computer.

Step 4: Finally, you have to connect the USB device to the USB port and check the USB error code 43.

Method 2: Update USB Drivers

Step 1: First, you have to open Device Manager on your computer system. For this, you have to right-click on theStart menubutton and selectDevice Manager from the menu.

Step 2: Once you open the device manager, underUniversal Serial Bus Controllers, you have to find the Unknown USB Device (Device Descriptor Failure) item. It will be with a yellow error sign.

Step 3: Now, you have to right-click onUnknown USB Device (Device Descriptor Failed) and select Uninstall the problematic device from the menu bar.

Step 4: Next, you have to unplug the USB device from your computer. And, again plug in the USB.

Step 5: Finally, you have to click onScan for hardware changes on the device manager window scan for hardware changes. Then, check the error again.

Method 3: Use Selective Suspend

Step 1: First, you have to open the Power Options on your computer. For this, you have to right-click onthe Start menubutton and selectPower Options from the menu.

Step 2: Then, you have to open the Power Options settings window. There, you have to find the Additional power settingsand click on them. You will find it underRelated settings.

Step 3: Now, under the selected plan, you have to click onChange plan settings.

Step 4: Next, you have to selectChange advanced power settings from the Edit Plan Settings window,

See Also

10 Ways to Fix “Unknown USB Device (Device Descriptor Request Failed)”How to Fix “Windows has stopped this device” Code 43 Errors in WindowsUnknown USB Device (Device Descriptor Request Failed) in Windows 11/10[2022] How to Fix USB Error Code 43 Once for all

Step 5: After that, you have to find the USB Settingsand open it.

Step 6: After that, you have to open the USB selective suspend setting. There, you have to set the status of the entries toDisabled.

Step 7: Finally, you have to click onApplyand then onOK.

Method 4: Turn Off Fast Startup

Step 1: First, you have to open the Control panel on your computer. For this, you have to go to the search engine and type the Control panel. From the results, you have to choose Control Panel.

Step 2: Once, you open the control panel, you have to select Choose what the power button does. You will find it on the left side of the window.

Step 3:Now, you have to selectChange settings that are currently unavailable.

Step 4: Next, you have to uncheck the box next to theTurn off fast startup (recommended). You will find it underShutdown settings.

Step 5: After that, you have to click onSave changes to save.

Step 6: Finally, you have to restart your computer and check the error.

Method 5: Use the Troubleshooter

Step 1: First, you have to open Troubleshoot on your computer. For this, you have to typeTroubleshoot in the search engine and selectTroubleshootfrom results.

Step 2:Once you open the Troubleshoot window, you have to select Hardware and Devices.

Step 3: Now, you have to wait until the Windows operating system complete to check the issues.

Step 4: Next, you have to click onApply this FixorApplyRepair Automatically button according to the option that appears on your screen.

Step 5: Finally, you have to restart your computer and check the error.

Method 6: Update Device Specific Drivers

Step 1: First, you have to open the Device Manager. For this, you have to right-click on the Start and selectDevice Manager.

Step 2: Then, you find the Unknown USB Device (Device Descriptor Failure). You will find the option underUniversal Serial Bus Controllers.

Step 3: You have to right-click onUnknown USB Hardware Device (Device Descriptor Failure) and select the Update Driver from the menu.

Step 4: Now, you have to click onSearch automatically for updated driver software.

Step 5: Finally, you have to wait to complete the process and then restart your computer.

Method 7:Uninstall USB Root Hub Drivers

Step 1: First, you have to open the Device Manager. For this, you have toright-click on the Start button and selectDevice Manager from the menu.

Step 2: Then, you have to expandUniversal Bus Controllers. You have to right-click on the firstUSB Root Huband selectUninstall device from the menu bar.

Step 3: Now, you have to uninstall all the USB Root Hubdevices.

Step 4: Finally, you have tore start your computer.

Method 8: Update Generic USB External Device Hub

Step 1: First, you have to open the Run on your computer. For this, you have to pressWindows Key + Rtogether to openRun.

Step 2: Once you open the Run, you have to type ‘devmgmt.msc’and pressENTER, and openDevice Manager.

Step 3: Now, you have to find the Universal Serial Bus controllers.

Step 4: Next, you have to right-click on “Generic USB Hub” and select ‘Update Driver Software’.

Step 5: After that, you have to click on the ‘Browse my computer for driver software’

Step 6: After that select the ‘Let me pick from a list of drivers on my computer’.

Step 7: In this step, you have to select‘Generic USB Hub’and then clickNext.

Step 8: You have to wait until the process is finished and then clickClose. You have to do the same thing for all the‘Generic USB Hub’displayed there.

Now, you have to check the error. If the error is still happening, you have to go forUniversal Serial Bus Controllers.

Method 8: Update Generic USB External Device Hub

Step 1: First, you have toopen Device Manager. For this, you have to open the Run dialog box. Once it opens, you have to typedevmgmt.mscthere and click OK to open Device Manager.

Step 2: Then, you have toclick on Universal Serial Bus Controllers. There, you have to find “Unknown USB Device (Device Descriptor Request Failed)”. You can see a yellow error sign there.

Step 3: Now, you have toright-click on it and select Uninstall from the menu bar.

Step 4: You have to wait to complete the uninstall process and then, restart the computer. Windows will reinstall the device itself.

Step 5:Finally, if Windows can’t install the drive, you have to reinstall them manually.

Method 9: Repair Bad Sectors

Step 1: First, you have to download andlaunch DiskGenius on your computer.

Step 2:Then, you have to select the USB drive which you want you to check. You have to click the “Disk” menu at the top of the window.

Step 3: Now, you have to select “Verify or Repair Bad Sectors” from the menu.

Step 4: Next, you have toclick the “Start Verify” button to start scanning the USB flash drive.

Step 5: You have to wait until the process is finished. If there are any bad factors, you have to click the “Repair” button to get them repaired.

Step 6: Finally, you have to back up your files and click OK to continue.

Conclusion

We hope you were able to solve with issue with one of the above-mentioned fixes. Most of the time, a simple restart is enough to fix the device descriptor error. However, if none of the fixes do the trick for you, its possible that the hardware is about to fail. Consider trying it out on a different computer or replace it entirely. Good luck.