Examkin

Question

Difficulty: MediumVideo, Display, and Projector Issues

A graphic designer reports that during intensive 3D rendering workloads, their workstation display frequently shows random colored blocks, checkerboard patterns, and misplaced pixels across active application windows. Updating the graphics card display drivers to the latest release did not resolve the problem. Which of the following is the most likely cause of this issue?

  1. Overheating or failing Video RAM (VRAM) on the graphics cardAnswer
  2. B
    A damaged display cable failing to support required resolution bandwidth
  3. C
    A failing CCFL backlight inverter board inside the monitor casing
  4. D
    Bypassing operating system display settings prior to initial hardware testing

Answer

Overheating or failing Video RAM (VRAM) on the graphics card
Visual artifacts like checkerboard patterns, colored blocks, and random screen distortion appearing during heavy GPU operations indicate memory corruption in the graphics card's Video RAM (VRAM) or GPU overheating. Because software driver updates did not resolve the issue, physical GPU replacement or thermal management inspection is required.

Step-by-Step Solution

1
Analyze reported symptoms and trigger conditions
Identified that visual corruption (colored blocks, checkerboard patterns) occurs specifically during heavy 3D rendering workloads.
Heavy 3D rendering increases power draw and thermal load on the GPU core and VRAM.
2
Evaluate attempted troubleshooting steps
Updating graphics drivers failed to resolve the problem.
This isolates the root cause to physical GPU hardware rather than software corruption.
3
Determine primary hardware failure point
Diagnosed failing or overheating VRAM on the graphics processing unit.
VRAM hardware defects or thermal throttling manifest as rendered artifacts, pixel corruption, or checkerboard patterns.

Key Concept

Identifying GPU VRAM failure symptoms vs. software driver issues
Estimated Time:1m 0s
Rate this question

Topics

Video, Display, and Projector Issues

More questions from this topic