100-140 Question 181
Select 3A user reports that the touchscreen on their flat-panel interactive display is unresponsive when they try to tap or swipe. Which of the following actions would be the most appropriate troubleshooting steps?
- A
Verify that the touchscreen drivers are installed and up to date.
- B
Clean the touchscreen surface to remove any dirt or debris.
- C
Check the display resolution settings to ensure they match the manufacturer's recommendations.
- D
Restart the computer or device connected to the touchscreen.
- E
Replace the touchscreen panel immediately.
Show answer and explanation
Correct answers: A, B, D
Explanation
When troubleshooting an unresponsive touchscreen on a flat-panel interactive display, it is important to start with basic steps such as verifying drivers, cleaning the surface, and restarting the device. These actions address common causes of touch functionality issues. Replacing hardware is a last resort and unnecessary in most cases unless physical damage is confirmed.
- A. Correct.
Verifying the touchscreen drivers is essential because outdated or missing drivers can cause the screen to become unresponsive.
- B. Correct.
Cleaning the touchscreen surface can help if dirt, grease, or debris is interfering with the touch functionality.
- C. Incorrect.
While display resolution mismatches can cause screen distortion, they do not typically affect touch responsiveness.
- D. Correct.
Restarting the connected device can resolve temporary software issues or glitches causing the touchscreen to stop working.
- E. Incorrect.
Replacing the touchscreen panel immediately is premature and should only be considered after other troubleshooting steps fail.