Troubleshooting Video Issues Flashcards
What happens when digital cables like HDMI or DisplayPort fail?
The signal disappears completely.
What issue might you encounter with analog cables like VGA or DVI-A if the internal wiring breaks?
You may experience color loss or poor signal quality.
What is the solution if a cable is physically damaged?
Inspect the cable for visible damage and replace it if needed.
What issue can occur with low-quality cables when connecting high-resolution displays?
They may not support high resolutions or high bandwidths, leading to poor performance.
Which cables can carry both video and audio signals?
HDMI, DisplayPort, and Thunderbolt.
Can VGA or DVI cables carry audio?
No, they cannot. A separate audio cable is needed.
What happens if the wrong input source is selected on a display?
The display will show a “no signal” message.
What is a common issue with HDCP (High-Bandwidth Digital Content Protection)?
A failed handshake, causing an HDCP error on the display.
What causes a projector image to dim over time?
The projector bulb nearing the end of its lifespan.
What causes a projector to shut down intermittently?
Overheating, often due to dust blocking the cooling vents.
What should you check if a projector isn’t displaying an image?
Verify the input source is connected and selected correctly.
How can you fix dim images on a display?
Adjust the brightness and contrast settings.
What causes fuzzy images on a display?
A mismatch between the output resolution and the display’s native resolution.
What can cause a flashing screen on a monitor?
A loose or improperly seated cable.
What should you do if a display has dead pixels?
Replace the display if the dead pixels are problematic.