What is a possible symptom of a damaged video display?
A. Disconnected punchdown
B. Low RF signal
C. Dead pixel
D. Computer repeatedly boots to Safe Mode
CompTIA exam questions
What is a possible symptom of a damaged video display?
A. Disconnected punchdown
B. Low RF signal
C. Dead pixel
D. Computer repeatedly boots to Safe Mode
Multiple users have reported that there are black dots on the conference room LCD when doing presentations. Which of the following is MOST likely the problem?
A. The video card displaying to the LCD is incompatible.
B. The LCD has dead pixels.
C. The LCD needs to be recalibrated.
D. The conference room PC is overheating.
Which of the following is the BEST way to get rid of dead pixels on a laptop screen?
A. Replace the inverter
B. Replace the back bezel
C. Replace back light
D. Replace the LCD
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 customer calls and states the new plasma display they just received has yellow spots all over the screen. Which of the following is the MOST likely cause of this issue?
A. Using wrong video connector
B. Dead pixels
C. Dropped in shipping
D. Incorrect installation
A user, Peter, is watching a training education video and notices dark pin-sized dots in the same location on his laptop LCD screen. Which of the following is the cause of this issue?
A. Distorted image
B. Dead pixels
C. Pixelation
D. Incorrect color palette
A customer has left a computer monitor on over the weekend and now notices slight discoloration of the screen. This is an example of:
A. a failing backlight.
B. burn in.
C. a bad inverter.
D. dead pixels.
E. EMI.
A video projector shows the image from a laptop, but everything is colored blue. Which of the following is the MOST likely the cause?
A. Dead pixels
B. Video resolution
C. Failing lamp
D. VGA connection