Resolve USB Device Not Recognized Windows 7 Error With Simple Fixes

On Windows 7, many customers are experiencing the problem of unresponsive USB devices. Some assume that it occurs due to this older version of Windows 7, which may not be compatible to support USB ports anymore. However, there are few users who blame the Windows drivers and hardware issues for not detecting the USB device. But the underlying reason for this device malfunction can be related to both hardware and software issues. Hence, you must be aware of the actual causes before troubleshooting this Windows 7 problem. If you are facing this issue of USB device not recognized Windows 7, you can follow this post. In this article, you can get some useful insight into the error of USB ports in your Windows 7. Also, you can follow this content to learn a few quick fixes that can help Windows 7 to recognize the USB devices again.

 


Troubleshoot USB Device Not Recognized Windows 7 Issue With Instant Fixes


Before you apply the solutions to resolve the error of USB device not recognized Windows 7, look for the symptoms below. The methods can fix a specific type of error that can crop up if the USB device is not identified by your Windows 7.

 


Check Out The Symptoms Of USB Malfunctioning On Windows 7

  1. You may start receiving the message regarding USB device malfunctioning error right after applying a few Windows 7 updates.
  2. Even if your PC shows the removable USB device or drive in ‘My Computer’, it doesn’t allow you to click or view the files in it.
  3. You can’t find any PC accessory on your Windows 7 while connecting them to a specific port. It includes a microphone, mouse, webcam, external hard disk, USB flash drive and other devices recognized on other ports.
  4. This error notification appears as soon as you insert your memory card into Windows 7 via the card reader. It can also generate the message USB device not recognized Windows 7 nothing plugged in detected.


Fixes To Troubleshoot Windows 7 Not Recognizing USB Device Problem


These above-mentioned issues occur when USB port or device malfunctions on Windows 7. Hence, you can resolve this hardware problem by applying these following fixes.

 


Fix 1- Use Device Manager To Scan Your USB Devices


In some Windows 7 based devices, the Operating System can be the reason for creating a conflict with the devices connected via USB ports. Hence, you can fix this error of not detecting USB devices by scanning them thoroughly. It can help you to figure out corrupted or damaged components in your PC that can cause this USB problem.

To apply this solution, access the Run dialog box by simply hitting both the Windows logo and R button simultaneously. Make sure to perform this action using administrative rights and write ‘devmgmt.msc’ in the box. As you hit the tab of ‘Enter’ or the ‘OK button, it will display the Device Manager window.

Next, go to the ‘Action’ tab and choose the first option ‘Scan for hardware changes’. It will allow Windows 7 OS to search for any new devices that are trying to connect to your computer. In case, the PC doesn’t recognize any USB device connected to it, try the other fixes.

 


Fix 2- Repair USB Root Hub To Make Devices Recognizable


If the power management settings on some Windows 7 based systems are not correct, it may not recognize the USB devices at all. So, for users who are facing this error due to power related problems, you can apply this solution.

Hence, follow the steps from fix 1 and click on the ‘Device Manager’ on Windows 7. Then locate the option of ‘Universal Serial Bus Controllers’ from the list of devices that appear on the ‘Device Manager’ window.

Find ‘USB Root Hub’ below this USB controllers option and right-click on it. Then choose ‘Properties’ and hit the tab of ‘Power Management’ on the next window.

On the window of USB Mass Storage Device Properties, make sure to untick the box beside ‘Allow the computer to turn off this device to save power’ option. Hit the ‘OK’ tab and repeat this process if you are using multiple USB Root Hubs on Windows 7. Hopefully, now the error of USB device not recognized Windows 7 won’t appear anymore.

 


Fix 3- Uninstall Or Remove Hidden Devices


Sometimes, you can get this error if the Device Manager on your Windows 7 fails to show every connected device on your PC. So, you can view the devices that are hidden on your system and uninstall them. Hence, go to the search box by clicking on the Windows start button and write ‘Command Prompt’ in it.

You must open the Command Prompt window as administrator to apply this method. Hence, right click on the ‘Command Prompt’ option and select ‘Run As Administrator’.

On the window, write these following commands and hit the ‘Enter’ button after typing each command.

set DEVMGR_SHOW_DETAILS=1

set DEVMGR_SHOW_NONPRESENT_DEVICES=1

start devmgmt.msc

After processing these commands, Windows 7 will launch with Device Manager when you may restart your system. Then click on the tab of ‘View’ and select the option of ‘Show hidden devices’.

So, look for those devices that are either greyed out or shown as an error. Select these items and right-click on it to select the ‘Uninstall’ option. Let’s hope, Windows 7 can detect USB devices after removing the corrupted device from your PC.

 

 

Fix 4- Turn Off Selective Suspend Settings For USB On Windows 7


The feature of USB selective suspend setting on Windows devices assures that certain USB ports are assigned a power saving mode. It is very much similar to the PC’s sleep mode and reduces the battery consumption by the USB devices when not in use. Sometimes, turning on this feature can lead to not identifying USB devices on older versions like Windows 7 and Vista. Hence, you can resolve this problem by following these few steps.

So, hit the ‘Start’ menu and find the program for ‘Power plan’. Open it and click on ‘Choose a power plan’. Choose the button of ‘Change Plan Settings’ and select ‘Change advanced power setting’. Then click on the option of ‘USB selective suspend settings’ and select ‘Disabled’. Save these changes by clicking on ‘Apply’ and ‘OK’ button.

Nathaniel Villa
Nathaniel Villa

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