A user brings in an older CRT monitor and reports there are issues with the colors and bands of discoloration. Which of the following should be done to correct the issue?
A. Replace the power cord
B. Reformat
C. Increase the refresh rate
D. Degauss
CompTIA exam questions
A user brings in an older CRT monitor and reports there are issues with the colors and bands of discoloration. Which of the following should be done to correct the issue?
A. Replace the power cord
B. Reformat
C. Increase the refresh rate
D. Degauss
A user has just installed an old CRT monitor on their home PC, and is connected to the onboard VGA port. The user notes that the display has a green tint at all times. Which of the following is the MOST likely cause of the issue?
A. Old video card drivers
B. Loose video cable
C. Monitor
D. Video card
A user has an LCD and a CRT monitor attached to their workstation. The colors are slightly off on the CRT but not the LCD. Which of the following controls should be used in troubleshooting?
A. Geometry
B. Contrast
C. Brightness
D. Degauss
A large magnet is placed too close to a CRT monitor. Which of the following will MOST likely occur?
A. Dead pixels
B. Flickering image
C. No image on screen
D. Distorted image
A users CRT monitor was damaged by a large magnet, resulting in a distorted image. Which of the following can a technician do to BEST safely fix the monitor?
A. Replace cathode ray tube
B. Power cycle the monitor
C. Run degaussing tools
D. Adjust monitors brightness
A user with a CRT monitor notes that there is a discolored area in a portion of their screen. Which of the following is the MOST likely cause of the issue?
A. Bad video card
B. The video card drivers need to be upgraded
C. Bad monitor
D. The screen needs to be degaussed
A customer is reporting a burning smell coming from a CRT monitor. Which of the following should be taken into consideration before attempting to resolve the customer’s issue?
A. Disconnect power before inspecting the CRT power supply
B. CRT monitors should be serviced by qualified personnel
C. Have compressed air available to clear out the debris
D. Wear safely goggles to protect from the cathodes
A user wishes to dispose of a CRT monitor that is no longer working. Which of the following steps should a technician complete before proceeding with the disposal?
A. Break the glass in the CRT in a controlled environment to prevent injury
B. Discharge all capacitors in the CRT and remove them before disposal
C. Ensure familiarity and compliance with all relevant local regulations
D. Ensure that the monitor is no longer working and repair if possible
A company is converting to LCD monitors and needs to properly dispose of all CRT monitors. Which of the following is an important consideration when disposing of CRT monitors?
A. The materials within the cathode ray tube are harmful.
B. They are heavier than LCD monitors and therefore require special disposal.
C. The glass of the tube can easily break and cause serious injury.
D. The rays of the cathode can cause blindness if someone is exposed.
The contrast ratio for an LCD monitor is BEST defined as the ratio between:
A. display resolution and brightness.
B. power consumption and output intensity.
C. power savings of a comparable CRT monitor and the LCD.
D. the darkest and lightest displayed output.