Software TroubleshootingQuestion 65 of 100
A laptop touchscreen registers phantom touches and inputs the user did not make. After a reboot the issue persists in every app. What is a reasonable early software step before assuming hardware failure?
a.Update or reinstall the touchscreen/digitizer driver and check for OS updates
b.Immediately replace the display panel
c.Reinstall all user applications
d.Reset the router
Explanation
Updating or reinstalling the digitizer driver and applying OS updates can resolve ghost-touch issues caused by software or firmware bugs. Only after software steps fail should hardware replacement be considered.
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