CompTIA
220-1201 · Question #396
Which of the following should a technician check when the display of a computer is flickering?
The correct answer is B. Refresh rate. Display flickering is commonly caused by an incorrect or unsupported refresh rate. Checking and adjusting the refresh rate ensures the display updates at a stable frequency supported by both the monitor and graphics adapter.
Submitted by sofia.br· Mar 30, 2026Hardware and network troubleshooting
Question
Which of the following should a technician check when the display of a computer is flickering?
Options
- ALCD type
- BRefresh rate
- CScreen resolution
- DPixel density
How the community answered
(22 responses)- A5% (1)
- B82% (18)
- C5% (1)
- D9% (2)
Explanation
Display flickering is commonly caused by an incorrect or unsupported refresh rate. Checking and adjusting the refresh rate ensures the display updates at a stable frequency supported by both the monitor and graphics adapter.
Topics
#display troubleshooting#refresh rate#LCD flickering#monitor settings
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