Desperate users developed unofficial fixes:
: Buy a USB mouse or replace the touchpad module with a PTP-compatible one (rare for old laptops).
Look for any entries labeled or Pointing Device , check them, and click Download & install . 2. Download from Manufacturer Support
Windows 11 (WHQL + SHA-2 only) and deprecated legacy PS/2 touchpad interfaces in favor of HID over I2C or USB.