If your trackpad stops working after a clean Windows install, you must install the Intel Serial IO driver . This re-enables the I2C controller communication required for the multi-touch trackpad. Restoring Proprietary Software (THX & Control Center)
Finding and installing the correct doesn’t have to be a wild goose chase. By identifying your touch controller’s hardware ID, sourcing the driver from the appropriate chipset vendor, and following a structured installation process, you can restore full touchscreen functionality in under 15 minutes. gwtn156-3bk drivers
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