nerdexam
CompTIA

220-802 · Question #444

What is a possible symptom of a damaged video display?

The correct answer is C. Dead pixel. A dead pixel is a pixel on an LCD screen that fails to illuminate, appearing as a permanently dark or discolored dot. This is a classic hardware symptom of a physically damaged or defective display panel. A disconnected punchdown (A) relates to network cabling, a low RF signal…

Hardware and network troubleshooting

Question

What is a possible symptom of a damaged video display?

Options

  • ADisconnected punchdown
  • BLow RF signal
  • CDead pixel
  • DComputer repeatedly boots to Safe Mode

How the community answered

(25 responses)
  • A
    4% (1)
  • C
    88% (22)
  • D
    8% (2)

Explanation

A dead pixel is a pixel on an LCD screen that fails to illuminate, appearing as a permanently dark or discolored dot. This is a classic hardware symptom of a physically damaged or defective display panel. A disconnected punchdown (A) relates to network cabling, a low RF signal (B) relates to wireless/antenna issues, and repeatedly booting to Safe Mode (D) is an OS or driver issue unrelated to physical display damage.

Topics

#video display#dead pixels#display symptoms#monitor failure

Community Discussion

No community discussion yet for this question.

Full 220-802 Practice