I am a teacher

THE MONITOR IS THE PIECE OF COMPUTER HARDWARE

The monitor is the piece of computer hardware that displays the video and graphics information generated by the computer through the video card.

Monitors are very similar to televisions but usually display information at a much higher resolution. Also unlike televisions, monitors are not usually mounted on a wall but instead sit atop a desk.

Other Names of a Monitor

A monitor is sometimes referred to as a screen, display, video display, video display terminal, video display unit, or video screen.

A monitor is sometimes incorrectly referred to as the computer, as in the hardware within the computer case, like the hard drive, video card, etc. For example, shutting down the computer isn't the same thing as turning off the monitor. It's important for that distinction to be made.

Important Monitor Facts

A monitor, no matter the type, usually connects to either an HDMI, DVI, or VGA port. Other connectors include USB, DisplayPort, and Thunderbolt. Before investing in a new monitor, make sure that both devices support the same type of connection.

For example, you don't want to buy a monitor that has only an HDMI port when your computer is capable of accepting only a VGA connection. Although most video cards and monitors have multiple ports so as to work with various kinds of both devices, it's still important to check their compatibility.

If you do need to connect an older cable to a newer port (e.g., HDMI to VGA) — like if you're using a monitor that has a VGA connection, with a computer that uses HDMI — there are adapters for this very purpose.

Monitors are not typically user serviceable. For your safety, it's not usually wise to open and work on a monitor.

Popular Monitor Manufacturers

The following are some of the most popular brands of computer monitors available for purchase: Acer, Hanns-G, Dell, LG Electronics, Sceptre, Samsung, HP, and AOC.

Tip: You can also purchase monitors from these manufacturers and others through retailers like Amazon and Newegg.

More Information on Monitors

Are you dealing with a monitor that isn't showing anything on the screen? Read our guide on How to Test a Computer Monitor That Isn't Working for steps that involve checking the monitor for loose connections, making sure the brightness is properly set, and more.

Newer LCD monitors should be cleaned with care and not like you would a piece of glass or older CRT monitor. If you need help, see How to Clean a Flat Screen TV or Computer Monitor.

Read How to Fix Discoloration & Distortion on a Computer Screen if your monitor doesn't seem to be displaying things like it should, like if the colors seem off,the text is blurry,etc.
If you have an older CRT monitor that has a problem displaying colors, like if you see an array of colors around the edges of the screen, you need to degauss it to reduce the magnetic inference that's causing it. See How to Degauss a Computer Monitor if you need help.

Screen flickering on a CRT monitor can be solved by changing the monitor's refresh rate, something you can do from the Windows Control Panel.

Monitors are usually instantly available through plug and play. If the video on the screen doesn't appear as you think it should, consider updating the video card driver. See How to Update Drivers in Windows if you need help.

The performance of a monitor is usually determined by a number of factors and not just one feature like its overall screen size, for example. Some of these include the aspect ratio (horizontal length against the vertical length), power consumption, refresh rate, contrast ratio (ratio of the brightest colors vs the darkest colors), response time (the time it takes a pixel to go from active, to inactive, to active again), display resolution, and others.

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