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220-802 · Question #523

A user has just installed an old CRT monitor on their home PC, and is connected to the onboard VGA port. The user notes that the display has a green tint at all times. Which of the following is the…

The correct answer is B. Loose video cable. A green tint on a VGA display indicates one or more color signal pins are not making proper contact, which is characteristic of a loose cable connection.

Hardware and network troubleshooting

Question

A user has just installed an old CRT monitor on their home PC, and is connected to the onboard VGA port. The user notes that the display has a green tint at all times. Which of the following is the MOST likely cause of the issue?

Options

  • AOld video card drivers
  • BLoose video cable
  • CMonitor
  • DVideo card

How the community answered

(24 responses)
  • A
    4% (1)
  • B
    92% (22)
  • D
    4% (1)

Why each option

A green tint on a VGA display indicates one or more color signal pins are not making proper contact, which is characteristic of a loose cable connection.

AOld video card drivers

Outdated video drivers affect rendering and resolution but do not selectively drop a specific color channel causing a single-color tint.

BLoose video cableCorrect

VGA cables carry separate analog signals for red, green, and blue on individual pins. When the cable is loose, one or more signal pins lose contact - if the red and/or blue pins lose contact while green remains intact, the display shows a persistent green tint. This is a classic symptom of a physically loose or partially connected VGA cable.

CMonitor

A faulty monitor would more likely produce symptoms like flickering, dead pixels, or total display failure, not a consistent single-color tint tied to signal pins.

DVideo card

A failing video card would typically cause artifacts, no signal, or total display failure across all colors, not a selective green tint.

Concept tested: VGA cable signal integrity and color channel faults

Source: https://support.microsoft.com/en-us/windows/fix-display-problems-in-windows-b14a4f45-6d4c-4b44-9a7e-4e30c9e2d4e1

Topics

#CRT monitor#VGA cable#display color tint#video troubleshooting

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