Sometimes an external mouse driver disables the internal touchpad. Unplug any USB mouse, reboot, and check Device Manager. Uninstall any “HID-compliant mouse” entries that aren’t your touchpad.
Sometimes, manufacturers stop supporting older laptops for Windows 11. If you see "No driver available for Windows 11" on the official site, you have three options: touchpad driver for windows 11 download link
He clicked the Windows 10 link. Error 404: Page Not Found. Sometimes an external mouse driver disables the internal