A laptop boots fine but after a few minutes the LCD screen fades out into a very dim image. Which of the following is the cause of the problem?
A. Weak battery
B. Power supply is failing
C. LCD screen connector is loose
D. LCD inverter is failing
CompTIA exam questions
A laptop boots fine but after a few minutes the LCD screen fades out into a very dim image. Which of the following is the cause of the problem?
A. Weak battery
B. Power supply is failing
C. LCD screen connector is loose
D. LCD inverter is failing
When changing the RAM on a laptop, in which of the following locations is the memory MOST likely to be found? (Select TWO).
A. On the bottom of the laptop
B. Under the touchpad
C. Behind the LCD screen
D. In the optic drive bay
E. Under the keyboard
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
Which of the following devices is necessary to provide power to a laptop LCD screen?
A. PCMCIA card
B. Backlight
C. Inverter
D. PCI-E card
Replacing which of the following laptop components may also replace the power inverter board?
A. PCMCIA slot
B. LCD screen
C. Hard drive
D. WLAN card
A user reports that they walked away from their laptop for 30 minutes and when they came back the screen was very dim. The user tried moving the mouse and increasing the brightness setting, but neither worked. Which of the following should the technician do FIRST?
A. Plug in an external monitor to test the video card.
B. Run a check disk scan to verify there is no corruption.
C. Check if the laptop is now on battery power.
D. Have the LCD screen replaced with a known good screen.
A user is requesting assistance in building a custom made PC for home theater use to connect to their existing large LCD screen. Which of the following components should MOST likely be recommended? (Select TWO).
A. Large IDE hard drive
B. HDMI output
C. Dual monitors
D. RAID array
E. TV tuner
A user states there are multiple small black dots on an LCD screen. Which of the following should be done to resolve the issue?
A. Replace monitor.
B. Replace video card.
C. Replace video cable.
D. Replace power supply.