You may experience a situation where the touch panel does respond or you have a "Ghost touch" issue (where the cursor moves on its own).
Rebooting the computer may resolve the issue for a while, but the issue may come back.
Legacy Firmware version.
Dell offers an firmware update to the AUO LCD Panel that corrects the issue.
Refer to the following links that take you to the Drivers and Downloads site for you computer.
Note:
- Refer to Dell Knowledge Base article How to Download and Install Dell Drivers or information on how to download and install a device driver.
- The firmware update is located in the Firmware category and is labeled Panel Firmware Update.
- DO NOT TOUCH the screen during the process and follow the On-Screen Instruction to complete the task.
- This firmware is for the AUO LCD Panel only, when NO DEVICE is displayed in the application, then your computer does not have the AUO LCD Panel installed.