10.3 ~ Display, Video, and Projector Troubleshooting

You have just installed a new video card in a user's Windows workstation. When the system is powered on, the screen displays in 16 colors at 640 x 480 resolution. Which of the following will BEST resolve this problem? a. Download and install the latest driver from the video card manufacturer's website. b. Reboot the system in Safe Mode. c. Upgrade the monitor to one that supports a higher sync rate. d. Verify that the system's UEFI firmware is compatible with the video card.

a. Download and install the latest driver from the video card manufacturer's website.

After using your LCD monitor for about three months, you notice a small black dot in one area of the screen. Regardless of what is shown on the monitor, the dot remains the same color and in the same location. Which of the following is the BEST method for removing the black dot from the monitor? a. Play a video designed to fix dead pixels. b. Purchase a new monitor. c. Apply pointed pressure and rub the dead pixel. d. Apply a heated cloth enclosed in a bag to the dead pixel.

a. Play a video designed to fix dead pixels.

Your projector is displaying the colors on the screen incorrectly. What is the MOST likely reason for this problem? a. The source computer's resolution settings do not match the projector's resolution settings. b. The projector driver needs to be updated. c. The projector's filter sensor was triggered. d. A VGA cable was used to connect the computer to the projector.

a. The source computer's resolution settings do not match the projector's resolution settings.

You recently upgraded a client's older workstation to Windows 11. The client has called to complain that the interface is very slow. For example, after clicking on the Start button, the Start menu slowly appears on the screen. Which of the following will MOST likely fix this problem without requiring a hardware upgrade? a. Increase the display's color depth. b. Set the visual effects for best performance. c. Increase the hardware acceleration settings. d. Increase the display resolution.

b. Set the visual effects for best performance.

The contrast on your projector's output is not displaying properly. In addition, the images continually flicker. What is the MOST likely cause of the projector's display problems? a. The wrong cable is connected to the HDMI port. b. An outdated projector driver is in operation. c. A bulb is close to burning out. d. The high-definition files are not in sync with the audio files.

c. A bulb is close to burning out.

You have purchased an LED monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution to 1440 x 900 with 32-bit color. The display on the screen seems to be pixilated. Which of the following solutions is MOST likely to fix this problem? a. Replace the DVI-D cable with a DVI-I cable. b. Decrease the color depth to 24-bit. c. Change the screen resolution to the native resolution of the monitor. d. Change the screen resolution to 1600 X 1200. e. Replace the DVI-I cable with a DVI-A cable.

c. Change the screen resolution to the native resolution of the monitor.

A customer complains that a recently purchased monitor no longer displays a picture. You verify that the monitor is powered on and that the video cable is securely fastened to the video port. Which of the following actions is the BEST to take next? a. Return the monitor to the manufacturer. b. Open the computer and switch the video card to a different slot. c. Check the brightness and contrast settings using the monitor's controls. d. Unload and then reload the video card's software driver.

c. Check the brightness and contrast settings using the monitor's controls.

Which of the following projector issues would MOST likely be caused by poor air flow through dirty vents in the projector? a. A dim display b. Audio out of sync with video c. Intermittent shutdowns d. Fuzzy display images

c. Intermittent shutdowns

For several years, your laptop's monitor has worked perfectly. However, shortly after turning on your laptop today, you notice that the dimness has increased on the screen. Which of the following is the MOST likely cause? (Select two.) a. The monitor's hertz rate is set too high. b. The brightness level was automatically reset to the default settings. c. The monitor's inverter has gone bad. d. The monitor's resolution was automatically reset to the default settings. e. The power adapter was accidently unplugged.

c. The monitor's inverter has gone bad. e. The power adapter was accidently unplugged.

You have purchased a 1600 x 1200 LCD monitor and connected it to the DVI-I port on your computer using a DVI-D cable. You configure the screen resolution at 1280 x 1024 with 24-bit color. The display output seems to be fuzzy and stretched. Which of the following BEST describes the action you should take to correct the problem? a. Replace the DVI-D cable with a DVI-I cable. b. Increase the color depth to 32-bit. c. Replace the DVI-I cable with a DVI-A cable. d. Change the screen resolution to the native resolution of the monitor.

d. Change the screen resolution to the native resolution of the monitor.