From the Mouse and Keyboard Center Support menu, select Device information. Find the listing for your Microsoft Ergonomic Keyboard and look for the firmware version listed. Then follow the instructions for your version below. Firmware version 0106. Keep the Mouse and Keyboard Center installed. Users can adjust their screen brightness manually by using the brightness up or down key on a laptopโ€™s keyboard. Users can also alter the screen brightness and color at night by enabling Night Light mode. Doing so helps protect the eyes when working in dim lights while preserving battery life. Type Troubleshooting in the search bar and press โ€œ Enter โ€. In the โ€œ Troubleshooting โ€ window, click on โ€œ View Allโ€ on the left pane. Click on โ€œ Hardware and Devices โ€. Click on โ€œ Advanced โ€ and then click on โ€œ Run as Administrator โ€. Click โ€œ Next โ€ and follow the on-screen instructions to complete the Hereโ€™s how you can do it. Press Windows + S and type troubleshoot settings to open the troubleshooter. In the opened settings, click on Other troubleshooters. Here, look for the keyboard and click on the Run button. Once you click the Run button, the troubleshooter will start working and look for errors. If you're tech savy enough to take the laptop apart a bit, you could take the keyboard out (depending on laptop model, but it's generally not too too hard, check if YouTube videos exist), and reinsert the ribbon cable. Maybe even use a little isopropyl (90%) to clean the contacts on the end of the ribbon. I've done this on quite a few laptop 1) On your keyboard, press the Windows logo key and I (at the same time) to invoke the Settings window. 2) Click Ease of Access. 3) Select Keyboard on the left pane. Then make sure the status of Sticky Keys, Toggle Keys and Filter Keys are all set to Off. If there is any one set to On, switch it to Off instead. Yesterday I encountered a serious issue with my Acer Predator GX-791 laptop, and I'm hoping to gather some ideas or information here regarding the possible origin of the problem. While I was playing Rocket League, my keyboard suddenly stopped working. However, the game, screen, sound, and mouse were functioning perfectly fine. Test the keyboard again to see if it is restored or still or not working properly. 4. Update or Reinstall Keyboard Drivers. The problem that caused Acer Aspire Laptopโ€™s keyboard to stop working might be the Keyboard drivers. Wrong or outdated keyboard drivers are often responsible for their inability to function. UDQY.