As we all know the VGA adapters for Macbooks are a very hot item. Although these little cables have made life much easier for many there has still been difficulty getting what is on your computer screen to show up on the projection screen in the classroom.
Through personal experience as well as research I've come across a couple helpful tips to tell students when they come to rent out the adapter. If you connect your mac to the projector cables and the screen is blue the first thing you should try is this:
1. Unplug the adapter from the computer
2. Close your mac
3 Replug all of the cables in and then open up the computer.
If the screen is still blue the user should try this:
1. Turn off the computer completely.
2. Plug in the cables
3. Open the computer and restart it.
4. Go to system preferences - display - select the desired screen resolution.
It is also helpful to let the student know that the projector needs to be fully on before they try plugging in the cables. Knowing to keep the computer screen closed before plugging in the cables seems to work 99% of the time. I have been extending this knowledge every time a student comes to rent out a VGA adapter and have had some very thankful people!
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