1. Tried the Fn +F7 suggestion. 2. Have tried F2 when re-booting, but there is no 'Touchpad' option in the 'Main' section. 3. Plugging in a mouse to see if this re-installs a driver. 4. Installing any updates that appear vaguely relevant from the Acer drives and BIOS Updates section of the site. I'm at a loss. Right-click on your touchpad and click Update driver. Screenshot by Matt Elliott/CNET Your laptop will check the internet for updated driver software and, hopefully, update accordingly. August 2015. dkhomes, Open the Device Manager, click the > sign next to mice and other pointing devices, right click on the driver, choose uninstall. At the top of the window you will see a small computer with a magnifying glass on it, click that and it will scan for devices and install. Try fn + f6 or f6 alone or fn + f7 or f7 alone on keyboard to disable and enable the touchpad. Please look at the key f6 and f7 key on keyboard. You can see the hand symbol with fingers. That denotes the touchpad function key. On some models it will be on f6 and some models it will be on f7. Hi, I recently upgraded to windows 11. My audio and touchpad stopped working. I found some drivers on the acer website. In Device Manager, open the properties of Intel (R) Serial IO I2C Host Controller - 9DE9, go to the "Driver" tab, click on the "Driver Details" button, and write down the location and name of the Driver file. (In my case, it was C:\WINDOWS\system32\DRIVERS\iaLPSS2i_I2C_CNL.sys). .

acer touchpad driver not working