Troubleshooting Video Issues Flashcards

1
Q

What happens when digital cables like HDMI or DisplayPort fail?

A

The signal disappears completely.

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2
Q

What issue might you encounter with analog cables like VGA or DVI-A if the internal wiring breaks?

A

You may experience color loss or poor signal quality.

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3
Q

What is the solution if a cable is physically damaged?

A

Inspect the cable for visible damage and replace it if needed.

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4
Q

What issue can occur with low-quality cables when connecting high-resolution displays?

A

They may not support high resolutions or high bandwidths, leading to poor performance.

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5
Q

Which cables can carry both video and audio signals?

A

HDMI, DisplayPort, and Thunderbolt.

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6
Q

Can VGA or DVI cables carry audio?

A

No, they cannot. A separate audio cable is needed.

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7
Q

What happens if the wrong input source is selected on a display?

A

The display will show a “no signal” message.

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8
Q

What is a common issue with HDCP (High-Bandwidth Digital Content Protection)?

A

A failed handshake, causing an HDCP error on the display.

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9
Q

What causes a projector image to dim over time?

A

The projector bulb nearing the end of its lifespan.

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10
Q

What causes a projector to shut down intermittently?

A

Overheating, often due to dust blocking the cooling vents.

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11
Q

What should you check if a projector isn’t displaying an image?

A

Verify the input source is connected and selected correctly.

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12
Q

How can you fix dim images on a display?

A

Adjust the brightness and contrast settings.

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13
Q

What causes fuzzy images on a display?

A

A mismatch between the output resolution and the display’s native resolution.

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14
Q

What can cause a flashing screen on a monitor?

A

A loose or improperly seated cable.

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15
Q

What should you do if a display has dead pixels?

A

Replace the display if the dead pixels are problematic.

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16
Q

What causes burn-in on screens, and how can it be prevented?

A

Burn-in occurs from static images left on the screen too long. Use a screensaver or rotate images to prevent it.

17
Q

What can cause incorrect colors to appear on a display?

A

Incorrect color depth or color profile settings.