Free Practice Quiz Question List

3 Diagnosing Display Problems Online Quiz Questions

Use this free practice quiz with 20 questions to review 3 Diagnosing Display Problems, test your knowledge, and prepare for your next test or exam.

20 questions

True or false

1 point

True or false: A basic video splitter can create independent extended displays from one computer output.

A
True
B
False

True or false

1 point

True or false: If a monitor's on-screen menu appears, the monitor has power, so a blank image should prompt you to investigate the video signal.

A
True
B
False

Written response

1 point

On Windows, which keyboard shortcut opens the choices for PC screen only, Duplicate, Extend, or Second screen only?

Written response

1 point

What test, if available, can help check a monitor independently of the computer?

Fill in the blank

1 point

A monitor's power light is off and its on-screen menu does not appear. First check the and the .

Choose one

1 point

A monitor is powered and set to the correct input. Its video cable is firmly connected and undamaged, but it still displays “No signal.” What is the best next check?

A
Replace the monitor's power cable because the screen is not receiving power.
B
Check the computer's video output and display mode.
C
Change the monitor's aspect-ratio setting.
D
Open the computer's power supply to inspect it.

Choose all

1 point

A display flickers intermittently. Select all troubleshooting steps that could help identify a likely cable, port, display, refresh-rate, or driver cause.

A
Reseat or replace the cable.
B
Open the monitor to inspect its internal power components.
C
Test another video port or display.
D
Check whether the refresh rate is compatible and whether the graphics driver may be responsible.

Choose one

1 point

A display image is stretched and cropped. Which troubleshooting approach addresses the relevant settings and compatibility issues?

A
Change the selected input to HDMI regardless of the connected cable.
B
Replace the graphics driver immediately without checking display settings.
C
Check recommended resolution and scaling, the monitor's aspect ratio, and whether the cable or adapter supports the chosen mode.
D
Use a splitter to create a higher resolution.

Choose one

1 point

Lines and blocks appear on two different displays connected to the same computer. Which cause should you suspect more strongly?

A
The aspect-ratio setting on the one display.
B
The graphics hardware or its driver.
C
The power outlet used by the first display.
D
The input selected on the first display.

Fill in the blank

1 point

A monitor works when connected to another computer. The —including its graphics output or settings—is now more likely to be responsible for the original problem.

Choose all

1 point

A computer cannot run a planned multi-display setup at the desired resolution and refresh rate. Select all items that should be checked for compatibility or limits.

A
The computer's supported number of displays and maximum resolution or refresh rate.
B
Whether the dock supports the intended display setup.
C
Whether a basic splitter can create independent extended displays.
D
Whether the adapter, cable, and monitor support the intended setup.

Open ended

1 point

A computer has a blank external display, and the cause is not obvious. Describe a systematic sequence of checks and explain how testing with another cable, port, monitor, or computer can help isolate the fault.

Choose one

1 point

Artifacts remain visible on multiple displays, including before the operating system loads. What does this pattern suggest?

A
A monitor aspect-ratio setting that changes before the operating system loads.
B
A cable that is too short.
C
A possible graphics hardware problem that may require service.
D
A Windows display mode selected with Windows + P.

Choose one

1 point

A display setup has visible damage and a burning smell. What is the safest next step?

A
Open the monitor and inspect its power components.
B
Disconnect power and seek qualified repair.
C
Keep restarting the computer until the display returns.
D
Open the computer's power supply to test its output.

True or false

1 point

A monitor has visible damage and a burning smell. Is it safe to open the monitor to inspect the problem?

A
True
B
False

Choose one

1 point

A monitor's screen is blank, but its on-screen menu appears. Which conclusion should guide the next troubleshooting step?

A
The monitor has no power, so inspect only its power cable.
B
The monitor has power, so investigate the video signal.
C
The graphics driver must be faulty.
D
The monitor's resolution is definitely too high.

Choose one

1 point

A Windows laptop detects an external monitor, but the desktop is not appearing on it. Which action lets you check whether Windows is set to use the intended display mode?

A
Open Device Manager and disable the monitor.
B
Press Windows + L to change the display mode.
C
Press Windows + P and select the intended display mode.
D
Change the monitor's aspect-ratio setting.

Written response

1 point

A display problem began immediately after a graphics-driver update. Name one recommended action to try with the graphics driver.

Choose one

1 point

A monitor shows “No signal.” Its input is set correctly and the video cable is firmly seated, but the computer is connected through a dock. What is the best next connection test?

A
Replace the monitor before testing any other component.
B
Temporarily connect the monitor directly to the computer.
C
Open the dock and inspect its internal power supply.
D
Change the monitor's aspect ratio.

Written response

1 point

Two monitors connected through a basic splitter show the same image, but you want an independent extended desktop. What does the basic splitter do instead?