Computer Support/Hardware Troubleshooting/Displays

This lesson covers troubleshooting displays.

Objectives and Skills Edit

Objectives and skills for the troubleshooting displays portion of A+ certification include:[1]

Given a scenario, troubleshoot common video, projector and display issues.
  • Common symptoms
    • VGA mode
    • No image on screen
    • Overheat shutdown
    • Dead pixels
    • Artifacts
    • Color patterns incorrect
    • Dim image
    • Flickering image
    • Distorted image
    • Distorted geometry
    • Burn-in
    • Oversized images and icons

Readings Edit

  1. Wikipedia: Defective pixel
  2. Wikipedia: Image persistence

Multimedia Edit

  1. YouTube: Troubleshooting Video and Display Issues - CompTIA A+ 220-901 - 4.3

Activities Edit

References Edit