How to Fix Num Lock Not Working on Windows
Number pad not typing numbers or Num Lock key not toggling? Fix NumLock issues on laptops and external keyboards including always-on and always-off problems.
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Main Troubleshooting Guide
How to Fix Driver Issues →Complete symptoms, causes, and step-by-step solutions
Symptoms
You might be experiencing this problem if you notice:
- •Number pad types arrows instead of numbers
- •Num Lock LED doesn't toggle on/off
- •Num Lock turns off at every restart
- •Laptop Fn+NumLock combination not working
- •Num Lock on but number pad still not typing numbers
- •Mouse Keys activated instead of NumLock
Common Causes
- âš Num Lock not enabled at boot
- âš BIOS setting turning off Num Lock at startup
- âš Mouse Keys accessibility feature interfering
- âš Keyboard driver conflict
- âš Fast Startup causing Num Lock state not to persist
- âš On-Screen Keyboard overriding Num Lock state
Solutions
Solution 1: Set Num Lock On at Startup via Registry
- 1Press Windows + R, type regedit
- 2Navigate to HKCU\Control Panel\Keyboard
- 3Double-click "InitialKeyboardIndicators"
- 4Set value to "2" (Num Lock on at startup)
- 5Click OK
- 6Restart your computer to apply
Solution 2: Disable Mouse Keys
- 1Go to Settings > Accessibility > Mouse
- 2Turn OFF "Mouse keys"
- 3This feature uses the number pad to control the mouse cursor
- 4When enabled, it overrides normal number pad behavior
- 5Also check: Settings > Accessibility > Keyboard > Sticky keys, Filter keys
Solution 3: Check BIOS Num Lock Setting
- 1Restart and enter BIOS (F2, Del, or Esc during boot)
- 2Look for "Num Lock State" or "Boot Up Num Lock"
- 3Set to "On" or "Enabled"
- 4Save and exit
- 5If not in BIOS, try the registry method above
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