220-801 · Question #1100
A user states there are multiple small black dots on an LCD screen. Which of the following should be done to resolve the issue?
The correct answer is A. Replace monitor. Small permanent black dots on an LCD are dead pixels - individual pixels whose transistors have permanently failed, leaving them in the 'off' (black) state. Dead pixels are a physical defect in the LCD panel itself and cannot be fixed through software or by replacing external…
Question
A user states there are multiple small black dots on an LCD screen. Which of the following should be done to resolve the issue?
Options
- AReplace monitor.
- BReplace video card.
- CReplace video cable.
- DReplace power supply.
How the community answered
(31 responses)- A94% (29)
- B3% (1)
- D3% (1)
Explanation
Small permanent black dots on an LCD are dead pixels - individual pixels whose transistors have permanently failed, leaving them in the 'off' (black) state. Dead pixels are a physical defect in the LCD panel itself and cannot be fixed through software or by replacing external components. Replacing the video card (B), video cable (C), or power supply (D) would have no effect because the fault lies within the display panel. The only resolution is to replace the monitor.
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