Introduction: Fix USB Port ⁠ Not Working Issue ​

Facing difficulties with your USB port not reacting after ⁠ you insert or remove a USB device? To aid you in tackling the issue and bringing your non-functional USB port ⁠ back to life, this article presents a range of troubleshooting techniques. ‌

Symptoms of USB Port ⁠ Not Working: ​

If you repeatedly insert and remove a USB device ⁠ quickly, your USB port might no longer work. The port will no longer recognize any ⁠ USB device, thus making them ineffective. We can examine the procedures ⁠ to address this concern. ⁠

Prerequisites: ​

Prior to initiating the resolution process, verify that you hold ⁠ administrative rights for accessing the Windows login screen. A few approaches mandate administrative privileges, thus make sure ⁠ you have logged in as an admin. ⁠

Method 1: ​

Use Device Manager to Scan for Hardware Changes: Scanning for hardware changes can ⁠ help your computer recognize the USB device connected to the problematic port. Follow these steps: ‍

Begin by choosing Start, ⁠ next, select Run. (Use the Start Search box ⁠ for Windows Vista.)
Input devmgmt.msc and select OK ⁠ to launch Device Manager. for accessing Device Manager. ⁠
To highlight it, click on your ⁠ computer in the Device Manager. ⁠
Select Action, After that, choose the ⁠ option Scan for hardware changes.
Check the USB device to ⁠ see if it’s working. ​

Method 2:

Restart the Computer: If the first method didn’t fix ⁠ the issue, consider giving your computer a restart. Following the reboot, verify if the ⁠ USB device functions properly.

Method 3:  

Disable and Re-enable the USB Controller: In case you turn off and subsequently turn on the ⁠ USB controllers, it can assist in recovering a USB port that is not responding. Follow these steps: ⁠

Click Start, and then ⁠ click Run. (For Windows Vista, use the ⁠ Start Search box.) ‌
Type devmgmt.msc and Press the OK ⁠ button for accessing Device Manager.. ⁠

Click Uninstall to remove the first USB controller located under ⁠ Universal Serial Bus controllers after right-clicking on it. ‍
Execute step 4 repeatedly for each individual USB ⁠ controller listed under Universal Serial Bus controllers. ‌
Windows will automatically scan for hardware changes ⁠ and reinstall the USB controllers. ‍
Validate if the USB device is working ⁠ by conducting a thorough examination. ​

Workaround: ⁠

Disabling USB Selective Suspend Feature: In case the earlier techniques proved unsuccessful, explore disabling ⁠ or turning off the functionality of USB Selective Suspend as a potential remedy. Nevertheless, remember that it will impact all USB host ⁠ controllers and devices connected to your computer. Follow the steps carefully:

Important Note about ⁠ the Workaround: ​

A race condition in the Selective Suspend feature can ⁠ cause the USB device to become unresponsive. The computer’s ability to suspend USB devices will be lost if ⁠ you disable this feature., using more power while connected. Additionally, the “Allow the computer to turn off this device to ⁠ save power” option won’t appear for the USB Root Hub.

How to Disable USB Selective ⁠ Suspend (Registry Edit): ​

[Include the steps for ⁠ modifying the registry] ​
[Demonstrate how to disable the ⁠ USB Selective Suspend feature] ‌

Backing Up the Registry: Modifying the registry carries risks, Consequently, it is ⁠ imperative to perform a registry backup before making any alterations. To increase safeguarding levels, follow these guidelines on creating ⁠ a registry backup and executing a system restore. ​

Conclusion: ​

By implementing the strategies presented in this article, you can rectify the problem of ⁠ your USB port not operating properly after inserting or detaching a USB device. Commence with the more straightforward approaches like examining for ⁠ alterations in hardware or performing a computer restart. If deemed necessary, proceed with disabling followed ⁠ by re-enabling of the USB controllers. The provided workaround involves disabling the USB Selective Suspend feature through the ⁠ registry, While executing those instructions, exercise caution and be vigilant. With the suitable remedy, You have the ability to recover the functionality of your ⁠ USB port and smoothly operate your USB devices like you used to. ​