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Details

4.3
Given a scenario, troubleshoot common video, projector and display issues
25
Computer Science
Post-Graduate
01/21/2017

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Cards

Term
Visual artifacts on your computer screen are typically associated with which type of problem?
Definition
A video card problem
Term
What should you verify if your computer's monitor remains blank, even though you've checked all power connections to your computer's monitor and ensured power-saving is not enabled?
Definition
Verify that the monitor’s video cable is properly connected to the computer’s video output
Term
You notice that after a few idle minutes, your video screen goes black and the monitor seems to disconnect as if it has lost power. What do you check to troubleshoot this problem?
Definition
Basic Input/Output System (BIOS) video power settings
Term
While working on your computer, your video appears to blank out and go black, even though your computer is still on. What do you suspect is the problem?
Definition
The video card is overheating
Term
A common method of troubleshooting video problems is to boot the system into a special troubleshooting mode, which is also known as what mode?
Definition
VGA Mode
Term
What does VGA Mode allow you to do?
Definition
To view graphical interface with a minimal set of colors in order to troubleshoot video problems, such as incorrect drivers or an errant video mode setting
Term
You notice that your screen has two red dots on it after powering it on. What are these dots that appear on the monitor’s screen?
Definition
They are stuck pixels
Term
What colors are stuck pixels?
Definition
Red, blue, or green
Term
How do you adjust the screen resolution on a Windows computer?
Definition
Right-click the desktop and select Screen Resolution
Term
Other than in the Basic Input/Output System (BIOS), where else can you check for video power settings?
Definition
In Windows Control Panel
Term
If you approach a computer and the monitor’s power is on, but the screen is black, and there is an orange light on instead of the normal blue or green one, what is the problem?
Definition
The computer’s power-saving settings have put the monitor into standby mode.
Term
A user reports that their screen colors seem to be off and somewhat muted. What do you think the problem is?
Definition
The monitor’s tint settings need adjustment.
Term
If you suspect that your video card is experiencing a failure or anomaly, what should you do to as a first troubleshooting step?
Definition
Be sure that the video card is correctly and completely seated in the motherboard slot
Term
A user calls in to report that a monitor has an unusual rainbow-like area covering about one-third of the total screen. How do you fix the problem?
Definition
Degauss the monitor
Term
A user reports that when she opens a particular application on her computer, the screen goes black. What do you check to troubleshoot this problem?
Definition
Check screen resolution and color depth requirements for the application
Term
When you boot your computer, your video is distorted and illegible during power-on self-test (POST). What do you check to troubleshoot this problem?
Definition
Check cables connections and pin integrity in the cable
Term
You notice a tiny black spot on your screen that is not dirt, dust, or anything on the glass surface. What is the black spot?
Definition
It is a dead pixel
Term
A user reports that their monitor’s screen has shifted to one side so that they cannot see the leftmost column of icons on the desktop. What do you suspect is the problem?
Definition
The monitor’s horizontal centering has shifted.
Term
A user submits a ticket that describes a ghosted image that seems to be embedded in her screen when the computer and monitor are both powered off. What is this ghosted image she refers to?
Definition
The image is a result of burn-in
Term
What do you check if your screen is black and the monitor is not in power-saving mode?
Definition
Check power from the monitor to the wall plug
Term
You walk past a group of cubicles and notice that several users have screen sizes that are very small compared to the size of the monitors. How do you fix the screen size for these users?
Definition
Adjust the vertical and horizontal size in the monitor menus
Term
Your computer boots up and all seems normal, but when the operating system starts, the video is distorted and nothing on the screen is legible. What troubleshooting steps should you take to resolve the problem?
Definition
Restart the system in Video Graphics Array (VGA) mode and reset the refresh rate
Term
A user approaches you and describes their monitor as being distorted. Upon visual investigation, you notice that the desktop is narrow at the top of the screen and normal width at the bottom. How do you resolve this video problem?
Definition
Adjust the monitor’s screen geometry
Term
Upon booting your computer, you notice that the desktop's icons and images are oversized, but there are no errors or messages on the screen. What is one possible cause?
Definition
The video resolution has defaulted to a very low setting.
Term
Identify the one troubleshooting step that you would NOT take if you found that a computer’s screen is dim.
Definition
Remove and replace the video card
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