Hi forresterhenriksen, Thank you for updating us regarding the issue. I can understand, you are unable to use the touchpad of your laptop on Windows 10, but it is working fine on Windows 8.1. Lpc Controller Driver Windows 10 on this page.
And I agree that it’s really an inconvenience to work on a laptop without touchpad working fine. I would like to suggest you to uninstall and reinstall touchpad driver for your laptop: Refer to the steps below and see if that helps: 1. Press Windows+R keys to open the RUN Prompt.
2. Type devmgmt.msc in the RUN prompt and hit enter to open Device Manager. 3. From the list of the devices listed on the left panel, click the + sign in front of Mouse and other pointing devices. 4. Right-click the device listed below Mouse and other pointing devices and select Uninstall. 5. Click OK to confirm removal of the device. 6.After un-installing the current touchpad drivers, go the manufacturer website below.
Drivers provide a touch panel operation in the operating systems Windows 7, Windows 8, Windows 8.1, Windows 10 at 32 and 64 bits. Info about the driver: Name: Elan TouchPad Driver for Acer laptop Driver Version:, 22.214.171.124 OS: Windows Windows 7/8/8.1/10 at 32 or 64 bits. Solved touchpad, Elantech, Elan not working or responsive issues. It usually happens after Windows 10 upgrade. You just need to update its driver to fix it.