To perform a full system scan on your computer, tap the F12 key at startup and navigate to Diagnostics using the arrow keys. Press Enter to begin the scan, and use the touchpad to check if the pointer moves erratically. To exit out of default tests, press the Escape key.
Turn on your computer and tap the F12 key at startup. Navigate to Diagnostics using the arrow keys, and press Enter. A full system scan will begin automatically. Press the Escape key to exit out of the default tests.
Once the tests have stopped, use the touchpad. Check if the pointer continues to move erratically.