Laptop USB receiver not detected
4.5
The small USB dongle for a wireless mouse is not recognized by Windows.
Symptoms
- "USB device not recognized"
- No sound when plugged in
- Mouse doesn't work
Possible Causes
- Dead receiver
- Port failure
- Driver corruption
Step-by-Step Fix
1
Try Different Port
Move the receiver to a different USB port on the laptop.
2
Check in Device Manager
Look for "Unknown USB Device" and uninstall it, then replug.
3
Test on Another PC
If it's not detected elsewhere, the receiver is likely dead.
When to See a Technician
USB receivers are fragile; if they are bent or crushed, they will fail internally.
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