Are you seeing the error “USB Device Not Recognized” on your PC? Don’t worry — this is a very common problem in Windows computers. It usually happens due to driver issues, power problems, or faulty USB ports.
The good news? Most USB errors can be fixed in just a few minutes.
In this guide, you’ll learn why the error happens and easy step-by-step fixes to solve it quickly.
Common Signs of USB Error
-
“USB Device Not Recognized” message
-
USB drive not showing in File Explorer
-
Mouse or keyboard suddenly stops working
-
External hard drive not detected
-
USB disconnecting repeatedly
Why This Problem Happens
-
Outdated or corrupted USB drivers
-
Faulty USB port
-
Power supply issue
-
Damaged USB device
-
Windows system glitch
Fix 1: Restart Your Computer
Simple but effective.
-
Remove USB device
-
Restart your PC
-
Plug USB back in
Sometimes Windows just needs a refresh.
Fix 2: Try a Different USB Port
The port might be faulty.
-
Plug into another USB port
-
Try rear ports (for desktop PCs)
-
Avoid damaged or loose ports
Fix 3: Update USB Drivers
Outdated drivers often cause this issue.
-
Press Windows + X
-
Open Device Manager
-
Expand Universal Serial Bus controllers
-
Right-click USB device
-
Click Update driver
Restart PC after updating.
Fix 4: Uninstall and Reinstall USB Driver
If updating doesn’t help:
-
Open Device Manager
-
Right-click problematic USB
-
Select Uninstall device
-
Restart PC
Windows will automatically reinstall drivers.
Fix 5: Disable USB Power Saving
Power settings can disable USB.
-
Open Device Manager
-
Double-click USB Root Hub
-
Go to Power Management
-
Uncheck “Allow computer to turn off this device”
-
Click OK
Fix 6: Check Disk Management (For USB Drives)
If USB not showing:
-
Press Windows + X
-
Select Disk Management
-
Check if USB appears
-
Assign drive letter if missing
Fix 7: Scan for Hardware Changes
-
Open Device Manager
-
Click Action
-
Select Scan for hardware changes
Fix 8: Run Windows Troubleshooter
-
Open Settings
-
Go to Update & Security
-
Select Troubleshoot
-
Run hardware troubleshooter
When USB Might Be Damaged
If USB still doesn’t work:
-
Try it on another computer
-
If not detected there too, device may be faulty



