The touch screen cursor is moving erratically or skipping, or generating ghost touches.

IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

Follow these steps to troubleshoot and resolve this issue.

IMPORTANT: Make sure the computer battery is charge to 30% or higher before attempting to use this procedure.

1. Remove all connected devices from the computer, including the AC Adapter.
2. Download the Touch Panel Calibration Tool file and save it to a easily remembered and located directory.

   NOTE: Make a note of the directory where you save the file for future reference.

3. Using the touchpad only, browse to the directory where the file was downloaded and double-click the UNOOTH-P0112513-1082.EXE file to begin the calibration process.

   IMPORTANT: From this point on, do not touch the screen. Doing so may affect the calibration process and cause unintended consequences.

4. In the Browse For Folder window, click the OK button.
5. At the C:\Users\Username folder, double-click the Panel Calibration Tool folder.
6. In the Panel Calibration Tool window, double-click the CalibG4 file.

   NOTE: The calibration process will begin.

7. Once the calibration is finished, using the touchpad only, shut down the computer . 
8. After the computer has completely shut down, turn the computer back on.

NOTE: If the issue is still occurring, please confirm the computer battery is charge to 30% or higher and that all connected devices have been removed from the computer, and perform the touch screen calibration again.