Troubleshooting Display Issues - CompTIA A+ 220-1201 - 5.3

- Check to make sure it's connected to the right input

- Check image brightness

- Try the monitor on another computer if all else fails.

What should you do if a monitor is not displaying anything or displaying a message that says "No Signal"?

Bulb might be burnt-out and it's best to replace it and clean the dust from the air filters and external air input/output

What should you do if an LCD projector bulb is having issues?

The video settings don't match a display's native resolution

What is the main cause of a fuzzy image display?

Image Burn-in

A problem when the same image or interface elements is displayed for a long period of time.

Dead Pixels

Pixels that do not display light as expected and will show up as small black dots. You'll have no other option than to replace the display.

- Check the video cable for any loos connections

- Replace the video cable

- Confirm the display settings in the operating system if it is a monitor issue

What should you do if your display is experiencing a flashing screen?

- Check the monitor settings

- Check the driver configuration

- Check the OS configuration

What should you do if your monitor is showing an incorrect color display?

- Check the volume levels and mute status

- Confirm the audio input over HDMI, DisplayPort, or Thunderbolt

What should you do if your monitor is experiencing audio issues?

- Check the brightness in the monitor video settings

- Check the OS

- Might be a backlight failure if all else fails

What should you do if your monitor has a dim image?

- Check the cable pins

- Check the OS refresh rate and resolution settings

- Check or replace any cables

- Disable hardware acceleration

What should you do if your getting image quality problems?

- The display may scale to fit the image

- Your using a small scaling option in the OS

Why would someone be getting sizing issues of an image on a display

- Check for any bad cables, video adapters, or video drivers

- Replace the entire display

What should you do if you have a distorted image displayed