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When searching for a powerpoint projector, one should look for how well the projector interfaces with computers, what local resolution the powerpoint projector will run at, and how bright the powerpoint projector will display.

In most business settings,powerpoint projectors are connected to a laptop/notebook PC. These are normally 15-pin connections and are blue in color. More modern laptops have a DVI connection. This connection is generally white and is a little wider than a VGA port. If the powerpoint projector is to be connected to a desktop/tower computer, the same rules apply.

The connection is pretty universal but native resolution isn't. Right now, that resolution ( for fullscreen laptops ) would be XGA, or 1024x768. This is a good resolution for powerpoint projectors as it is very universal.

ultimately, one should take into account the ambient lighting where the powerpoint projector will be used. Between 120 and 150 inches, the powerpoint projector should be at least 3700 lumens.

A business person should look for how simply the projector works with their computer alone with the native resolution of the project and how bright the projections are on onto the wall.

This connector has three rows of pins and is usally blue. If you goto a store in person, you can usally ask them to take a look at the notebook or PC and see which port it is for you, that way you can guarantee you'll get the right type of connection.

The Display ports are universal in nature, but the screen resolustion of the projectors alter seriously from model to model. You must ensure that the projector can at least do 1024768 or higher. Alot of the cheaper projectors only do 800600 and it you cannot really see that much in the projection because of the little size. Some of the higher end models can even do 12801024 or higher, this is great if you are planing on using some highly detail powerpoint slides in your displays.

One of the last things you want to look at is the brightness of the bulbs in the projector, if the display area you can be employing it on is anything under one hundred inches then a bulb that is around 2k lumens should be fine, if you want to go bigger, upto around 130-130 inches, then you should be having a look at a bulb with around two thousand lumens. If you need one that's upto 150-160 inches in size, you should be having a look at a bulb with a lumen rating of 3500-4000. If you get a bulb that is puny, and try and display it on a big area, it won't be clear, and the photographs will be weak and hard to read.

If you use these items as guide when you're going to get a powerpoint projector you will find you are going to be able to get a good projector you may use, and will display well when needed.