How to Replace Video Cards on a Mac (7 Steps)

Power off the Mac Pro computer and unplug the power cord.
Remove the side cover by lifting the lever on the back of the case.
Pull out the existing video card.
Insert the new video card in the same location.
Connect any auxiliary power connectors to the video card. In most cases, this is an adapter that converts from the standard molex connector type to PCI-E.
Replace the side cover and power on the computer.
Optionally install the latest drivers for the video card. Visit the video card manufacturer's website to obtain the latest driver software. The video card works without the update, however.
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How to Connect a Laptop to an ELMO Projector (9 Steps)

Turn on the projector's power switch to warm up the lamp. Then lower the projector screen, unless projecting to a blank wall.
Raise the side lamps on the ELMO desk projector to the upright, locked position.
Press and hold the lever switch that controls the video displayer rod, on the round base on the ELMO projector. Then raise the video displayer rod to the upright position as far as it will go.
Press the 'Power' toggle switch on the ELMO.
Press the 'Computer' button on the remote control repeatedly until the ELMO displays on the projector screen.
Attach the VGA plug on one end of the cable to the matching port on the back or edge of the laptop. The wide edge of the plug should face upward. Turn the lock screw on each side of the VGA plug to hold it securely to the laptop.
Hook up the other end of the cable to the VGA port on the back connection panel of the ELMO projector. Tighten the lock screws to prevent the cable from pulling out.
Press the 'RGB1' button on the ELMO under the 'Input' section of the control panel.
Press the 'Fn' (function) key on the laptop and one of the F1 through F8 keys to toggle the laptop to work with an external projector. The key varies on different laptop models. Look for the small icon of a monitor screen on one of the F1 through F8 keys. You might have to press and release the 'Fn' and the numbered 'F' key several times while the laptop cycles through the various possible external monitor connections.
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