It's incredibly frustrating when key symbols like the @ (Shift + 2) or # (Shift + 3) fail on your Windows keyboard—especially during emails or social media posts. As Windows experts with years of hands-on troubleshooting, we've helped countless users resolve this. Start by cleaning your keyboard physically, then try these proven fixes.
Fix @ or # key not working on Windows PC:
1. On-Screen Keyboard
2. Disable Filter Keys
3. Disable Game Mode
4. Disable Sticky Keys
5. Update Keyboard Drivers
6. Run Keyboard Troubleshooter
These issues often stem from accessibility features, outdated drivers, or software conflicts. Below are step-by-step solutions that have restored functionality for many users.
A quick workaround: the built-in virtual keyboard acts as a reliable temporary fix.
Filter Keys can interfere with key presses. We've seen it fix intermittent issues repeatedly.
Game Mode optimizes for gaming but can glitch keyboards, as reported by many users.
Similar to Filter Keys, Sticky Keys modifies input behavior unexpectedly.
Outdated drivers are a common culprit. Updating has resolved this for us in professional setups.

Options include:
Test the @ and # keys afterward.
Windows' built-in troubleshooter detects and fixes most keyboard problems automatically.


Causes include enabled Filter Keys, Sticky Keys, Game Mode, dirty keys, or driver issues. Apply the fixes above—physical cleaning first, then software tweaks.
This often relates to layout settings or remapping. Check our detailed guide on fixing wrong-letter typing. Restarting can resolve temporary glitches on laptops or external keyboards.