Touchpad Check

If the touchpad doesn't work, do the following actions one at a time to correct the problem. Do not replace a non-defective FRU:

  1. After rebooting, run Touch pad/PS2 Mode Driver.
  2. Run utility with the PS/2 mouse function and check if the mouse is working.
  3. If the PS/2 mouse does not work, then check if the main board to switch board FPC is connected well.
  4. If the main board to switch board FPC is connected well, then check if the touch pad FPC connects to the main board properly.
  5. If there is still an error after you have connected the touch pad FPC to the main board properly, then replace the touch pad or touch pad FPC. The touch pad or touch pad FPC may be damaged.
  6. Replace switch board.
  7. If the touch pad still does not work, then replace the FPC on Track Pad PCB.

After you use the touchpad, the pointer drifts on the screen for a short time. This self-acting pointer movement can occur when a slight, steady pressure is applied to the touchpad pointer. This symptom is not a hardware problem. No service actions are necessary if the pointer movement stops in a short period of time.

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