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How to sign in and use Duet Display
First, make sure you have the Duet Display app installed on your device and on the computer you are trying to connect to. (Contact IT for LETU computers)
Then sign in to the app on both devices using your LETU email by clicking "Single Sign-on"
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Once you have signed it to both devices, you should see the computer you are trying to connect to under Available Desktops on the app.
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Tap on whichever option you would like and the devices will connect.