What to Do If Your USB Port Stops Working

What to Do If Your USB Port Stops Working

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What to Do If Your USB Port Stops Working. USB ports are an integral component of modern computers. Used for connecting various peripherals such as keyboards, mice, printers, and storage devices. Unfortunately, experiencing issues with USB ports, such as them suddenly stopping working, can be highly distressful. Here, we will explore some common reasons for USB failure as well as solutions and troubleshooting steps to remedy them.

Physical Damage

usb port

Any physical damage to a USB port or connector can impede proper connection and communication between devices. Such damage could arise from forcefully inserting/removing USB devices, bending the connector, moisture intrusion, dust exposure, etc.

Driver Issues

files, Outdated or corrupted USB drivers may also cause USB ports to stop working correctly. As without these essential files, the computer may fail to recognize connected USB devices or communicate effectively with them.

Power Supply Issues

A sufficient power supply to USB ports may result in malfunctioning or non-functional ports. Certain USB devices require specific amounts of energy for proper functioning. If an inadequate supply cannot provide it, these devices could fail to function.

Troubleshooting Steps for Non-functional USB Ports


Examine for Physical Damage

Carefully examine the USB port and connector for signs of physical damage, such as bent pins, debris accumulation, or corrosion. If any signs are noticed, attempt to straighten bent pins with compressed air or soft brushes as soon as possible to clean out any port that needs it.

Update or Reinstall USB Drivers

Make sure that all of the USB drivers on your computer are up-to-date by checking for driver updates using Device Manager in Windows or System Preferences in macOS. Reinstall them if needed in order to resolve corruption or compatibility issues with them.

Verifying Power Supply

Check that the USB port is receiving enough power to run connected devices. Test another USB device connected to it to see if it works as expected. If not, your port may be providing inadequate energy, and you should investigate potential supply issues further.

Alternative Solutions and Workarounds

Switch USB Ports


If one USB port on your computer is malfunctioning, try switching it with another port on the same machine. Some computers offer multiple USB ports, so this may help resolve the problem.

Consider utilizing a USB Hub.

If your existing USB ports aren’t meeting your needs or are malfunctioning altogether, a USB hub could provide a solution. A hub enables you to increase the available ports by linking multiple devices directly into one port on your computer.

Use Wireless or Bluetooth Alternatives

If your USB ports are unreliable or if you prefer fewer physical connections. Consider investing in wireless keyboards, mice, and headphones that enable cord-free operation.


Issues with USB ports can severely limit productivity and functionality on a computer. By understanding the common causes of failure and following this guide’s troubleshooting steps, it is possible to diagnose and address USB port problems effectively. Furthermore, looking into alternative solutions like hubs or wireless peripherals may offer more convenience in managing devices.

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How can I verify if my USB port is receiving power?

One way of checking if your USB port is receiving power is by plugging in an item to observe whether it powers on or is recognized by your computer; alternatively, you could use a multimeter to measure the voltage at its port.

Are damaged USB ports repairable?

In some instances, minor physical damage, such as bent pins, can be fixed by carefully straightening them; more serious damages may require professional repairs or replacement of the port.

Why am I having issues with USB devices not being recognized by my computer?

USB devices may not be recognized due to driver or compatibility issues or physical connection problems; troubleshooting steps such as updating drivers or checking for physical damage may help resolve this issue.

Can using a USB hub hinder the performance of connected devices?

Yes, using a powered hub may compromise device performance, especially if multiple high-powered devices are connected simultaneously. Therefore, all connected devices must receive a sufficient power supply.


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