If you look at the bottom row of keyboard you can see the one on the left side of space bar and the other on the right side of space bar. The alt key on the right side will be looking like alt, alt gr or alt car. Turn off the computer. Hold the alt key on the left and tap f10 continuously.
Go to Start > Settings > Update & Security > Select troubleshoot tab > under "Find and fix other problems", click on Keyboard > click on run the troubleshooter and follow on-screen directions. Go to Start > Type "Device Manager" and hit enter > right click on your keyboard driver and select update driver > Click on "Search automatically for
To start the process, just press and hold your laptop’s power button. Don’t let go until your laptop is completely off. Then unplug its power cable and remove its battery. For about five seconds, leave your laptop as it is. Then plug back in your laptop’s power cable and return its battery. Now turn on your laptop. 7. Check Hardware Fault. 1. Restart Your PC. Well, the most straightforward fix that you can apply to solve the keyboard backlight problem is to restart your PC. Sometimes, essential system files required to light up your keyboard may fail to load, and this may result in the keyboard not lighting up. Go to Tablet PC and set up - except the touch screen doesn't work to set it up. 2. Go to Pen and Touch - but again, couldn't do setup there because touch screen didn't respond. 3. Restore to a previous version - before it stopped working. That didn't work. 4. Refresh the system. That didn't work. v6IYG.