Software TroubleshootingCâu 65 / 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
Giải thích
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.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- Several pop-ups appear even when no browser is open, and the antivirus has been mysteriously disabled. What is the most likely explanation?
- When following best practices to remediate a malware infection, which step should be performed to prevent the malware from spreading or communicating while it is being removed?
- A user's files suddenly have a strange extension and a note demands payment to restore them. What has most likely happened, and what is the safest recovery path?
- Which log-based Windows tool would best help a technician correlate a recurring application error with the exact time and error code each time it happens?
- A Windows PC boots to a black screen with only a cursor after login. Which troubleshooting environment lets the technician load a minimal set of drivers to diagnose the issue?
- A user complains that the system time keeps resetting and secure websites report certificate errors. While often hardware-related, which quick check can rule out a simple software/setting cause?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với CompTIA A+ Core 2 (220-1102) · Quy trình kiểm tra