-
Check Physical Connections & Power
- Unplug any external devices and reboot your laptop. For detachable batteries, remove it, wait 30 seconds, then reconnect.
-
Clean the Keyboard
- Use compressed air to blow out dust under keys. For sticky keys, wipe with a cotton swab dipped in 70% isopropyl alcohol (ensure it’s powered off).
-
Update Keyboard Drivers
- Press
Win + X→ selectDevice Manager→ expandKeyboards→ right-click your keyboard driver → chooseUpdate driverorUninstall device, then restart to reinstall automatically.
- Press
-
Run Hardware & Software Diagnostics
- Use built-in diagnostics (e.g., Dell’s ePSA, HP’s Hardware Diagnostics). For Windows, search
Troubleshoot keyboard problemsin Settings.
- Use built-in diagnostics (e.g., Dell’s ePSA, HP’s Hardware Diagnostics). For Windows, search
-
Test with an External Keyboard
-
Check for System Conflicts
- Boot into Safe Mode (press
F8during startup) to rule out software conflicts. If functional in Safe Mode, uninstall recent apps or perform a System Restore.
- Boot into Safe Mode (press
-
Inspect Keyboard Cable
- For advanced users: Power off, remove the back cover, and check if the keyboard ribbon cable is loose or damaged. Reconnect firmly or replace the cable.
Note: Self-disassembly may void warranties. If steps fail, contact manufacturer support or a technician for hardware repairs.
