CompTIA A+ Core 1 · 220-1101
Objective 5.4: Troubleshoot video, projector, and display issues
Practice questions for A+ Core 1 objective 5.4, “Troubleshoot video, projector, and display issues.” Every question is original, written to the 220-1101 exam objectives, and comes with a full explanation — answer them below to see instant grading.
This objective sits in Domain 5.0: Hardware and Network Troubleshooting, which is about 29% of the exam — so mastering it moves your readiness score meaningfully.
1.A user complains that their LCD monitor shows persistent images of previously displayed content even when the screen content changes. What is this display defect called?
2.A user reports that colors on their monitor appear oversaturated and unrealistic, with reds appearing very deep and blues appearing purple. The monitor was recently switched from Windows to a Mac and back. What is the MOST likely cause?
3.A user reports their laptop display has vertical colored lines running from top to bottom and the lines remain even when an external monitor is used. What does this indicate?
4.An external monitor connected to a laptop via USB-C DisplayPort shows no image, but the same monitor works when connected with HDMI. The USB-C cable is known good. What should the technician investigate?
5.A laptop user opens the display to 90 degrees and notices the screen flickers, but at 45 degrees and 120 degrees the image is stable. What is the MOST likely cause?
Practice every objective, adaptively
CertBench tracks your score on 5.4 and every other objective, then builds a daily plan that targets your weakest spots. Start with the free diagnostic.
Take the free diagnostic