How to Choose a Dell Monitor

Choosing a Dell Monitor

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If you’re looking for a new computer monitor, please read our guide on some of the factors to keep in mind.

Types of Monitor

There are a number of different connections and types of monitor for your computer but the overall purpose of it is to transmit a video signal to display an image onto a screen from a computer.

CRT – These monitors use Cathode Ray Tube (CRT) technology and are commonly used for television screens. A thermionic emission generates an energetic beam of electrons that are used to form an image on a fluorescent display. These electrons travel down the Cathode Ray Tube which hit the phosphor points that are present on the fluorescent screen, resulting in an image being displayed. Due to advances in technology a flat screen CRT monitor is now available to purchase. These help to reduce glare and are better for your eyes. Although one major weakness to CRT monitors is that they tend to be heavy and take up a lot of space.

Plasma – This is a computer video display that is illuminated with small gas-filled cells and works almost identically to neon tubes. Plasma monitors are ideally designed for screens bigger than 40 inches. A plasma monitor displays brighter than an LCD screen but tends to be too big and costly to be used with computers.

LED – A Light-Emitting Diode (LED) monitor is the most recent type of monitor available. Similar to LCD monitors, LED monitors use a flat panel display. This kind of monitor tends to be more environmentally friendly as they use less power and also have a longer lifespan than CRT or LCD monitors.

LCD – LCD (Liquid Crystal Display) monitors have become increasingly popular with consumers. When researching monitors you might see TFT or LED screens advertised but these are still classed as LCD screens. LCD screens are lightweight and compact, but when viewed from different angles the image quality is not consistent.

Panel Technologies

Three main technologies used in LCD panels include Twisted Nematic, Vertical Alignment, and In-Plane Switching. The Twisted Nematic is the cheapest of the three technologies and isn’t the best quality. We recommend choosing either the Vertical Alignment or In-Plane Switching panel technologies. In-Plane Switching displays accurate colours and spectacular angles. Although if you’re looking for a 3D in-depth image, Vertical Alignment is the technology for you.


There are three elements to keep in mind when choosing the size of a monitor, the size of the screen, the aspect ratio and the resolution. The monitor’s screen size is determined by measuring across the display and appears in inches. Computer monitors come in a range of sizes, and the aspect ratio of monitors is most commonly 16:9. The more pixels your monitor has, the higher the resolution will be.


To ensure your computer monitor is able to display accurate colours, you will require one with a colour gamut that is larger than sRGB. This is the ability to set a colour temperature. A decent computer monitor will able to document colour profiles, but this is an expense you might need to budget for.

Browse our wide selection of computer monitors or contact us on 03333 222 200 if you would like advice on which accessories would best suit your computer requirements.

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