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Difficulty: EasyVideo, Display, and Projector Issues

A user reports that while playing a 3D video game on a desktop computer, the monitor periodically displays random multicolored dots and distorted visual artifacts across the screen. The issue occurs only when running demanding graphics applications and resolves after the system cools down. Which of the following is the most likely cause of this display issue?

  1. Overheating graphics processor or video RAM (VRAM)Answer
  2. B
    Corrupted graphics card driver software
  3. C
    Failing CCFL backlight inverter board
  4. D
    Inadequate video cable bandwidth

Answer

Overheating graphics processor or video RAM (VRAM)
Visual artifacts such as multicolored dots, screen tearing, or distorted geometry that appear specifically under heavy 3D rendering load and disappear once the system cools down are a classic sign of an overheating graphics processor (GPU) or Video RAM (VRAM).

Step-by-Step Solution

1
Analyze the reported display symptoms and environment.
Visual artifacts (multicolored dots, distorted geometry) occur specifically during high graphical processing and clear up after the system cools down.
Connecting symptoms to thermal load points directly to physical hardware temperature issues.
2
Identify the hardware components responsible for rendering graphics under load.
The Graphics Processing Unit (GPU) and Video RAM (VRAM) process frame data and high-demand 3D rendering.
When GPU VRAM overheats under stress, frame data becomes corrupted prior to display output.
3
Select the primary cause matching the thermal symptom profile.
Overheating graphics processor or video RAM (VRAM) is the correct diagnosis.
Thermal stress on video memory creates random visual artifacts that disappear once temperatures lower.

Key Concept

Identifying GPU and VRAM thermal artifacts versus software or backlight hardware failures
Estimated Time:45s
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Topics

Video, Display, and Projector Issues

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