If the touch functionality of your laptop screen is not working, you can try the following steps to troubleshoot and potentially fix the issue:
1. Restart your laptop: Sometimes, a simple restart can resolve software-related issues.
2. Check for driver updates: Ensure that your touchscreen drivers are up to date. You can do this by going to the manufacturer's website and downloading the latest drivers for your laptop model.
3. Calibration: In some cases, recalibrating the touchscreen can help. To do this, search for "Calibrate the screen for pen or touch input" in the Windows search bar and follow the on-screen instructions.
4. Disable and re-enable the touchscreen: You can try disabling and then re-enabling the touchscreen in the Device Manager (Windows) or System Preferences (Mac) to refresh the connection.
5. Clean the screen: Sometimes, dirt or smudges on the screen can interfere with touch functionality. Clean the screen with a soft, lint-free cloth.
6. Check for physical damage: Ensure there are no physical cracks or damage to the screen. If there is, you may need to contact the manufacturer or a repair service.
7. BIOS/UEFI settings: Check your laptop's BIOS/UEFI settings to ensure that the touchscreen is not disabled from there. Access the BIOS/UEFI by pressing the designated key during startup (usually F2, F12, or Delete).
8. System Restore: If the touchscreen used to work but recently stopped, you can try performing a system restore to a point when it was functioning correctly.
9. Test in Safe Mode: Boot your laptop into Safe Mode to see if the touchscreen works. If it does, a third-party software or driver might be causing the issue.
10. Hardware inspection: If none of the above steps work, there may be a hardware problem. In this case, you should contact the laptop manufacturer or a professional technician for further assistance.
Remember that some laptops may not have touchscreen capabilities, so make sure your laptop is equipped with a touchscreen before attempting these troubleshooting steps.