If your USB pen drive is not connecting, not detecting, or not recognized in your Windows laptop or PC, this issue is very common and usually happens due to driver errors, power settings, or missing drive letters. The good news is you can fix it easily by following the methods below. These steps will also help if your pen drive data is not showing or USB is not appearing in File Explorer.
Method 1: Connect Pen Drive to Different USB Port
- Remove the pen drive from your system
- Insert it into another USB port (try front and back ports on PC)
- Avoid using damaged or loose ports
- Restart your laptop or PC after reconnecting
π Sometimes the issue is just a faulty USB port
Method 2: Update USB Drivers (USB Root Hub & USB Mass Storage)
- Press Windows + X → Device Manager
- Expand Universal Serial Bus controllers
Now update these two:
Online Update
- Right click USB Root Hub → Update driver
- Click Search automatically for drivers
- Repeat same for USB Mass Storage Device
If not fixed (Local Update)
- Right click device → Update driver
- Click Browse my computer for drivers
- Click Let me pick from a list
- Select available driver → Next → Install
π After completing updates, restart your PC and check again
Method 3: Uninstall USB Drivers (Auto Reinstall Fix)
- Press Windows + X → Device Manager
- Expand Universal Serial Bus controllers
- Right click USB Root Hub → Uninstall device
- Also uninstall USB Mass Storage Device
π Now the most important step:
- Restart your PC
✔️ Windows will automatically install the correct USB drivers after restart
Method 4: Disable Power Saving for USB
- Open Device Manager
- Go to USB Root Hub
- Right click → Properties → Power Management
- Uncheck Allow computer to turn off this device to save power
π Repeat same steps for USB Mass Storage Device
Method 5: Run Hardware Troubleshooter
- Press Windows + R
-
Type:
msdt.exe -id DeviceDiagnostic - Click Next → Scan and fix issues automatically
Method 6: Fix Unallocated or Missing Drive Letter
- Press Windows + X → Disk Management
- Find your USB drive carefully
Now do this:
- If No Drive Letter → Right click → Change Drive Letter → Add
- If showing Unallocated → Right click → New Simple Volume
- If RAW → Format it
⚠️ Only select your USB drive, do not touch system drives (C, D)
Method 7: Disable USB Power Saving in Power Plan
- Open Control Panel → Power Options
- Click Change plan settings
- Click Change advanced power settings
- Expand USB Settings → USB selective suspend setting
- Set it to Disabled
- Click Apply → OK
Common Problems & Fixes
- USB showing but no data → Assign drive letter
- USB disconnecting automatically → Disable power saving
- USB not detected at all → Update or reinstall drivers
- USB works on another PC → Problem is in Windows settings
Final Tip
Most users fix this issue using Disk Management (drive letter) or Driver reinstall (Method 3), so try those first for quick results.
