@Sarahg16
I'm assuming you bought the Projector with Roku included, not bought a projector and bought a Roku then put them together. You did get the package with both in the box, right?
By the way, the device that comes with the RCA Projector from Walmart is the 3931 Express+ (Express Plus), which comes with the Voice Remote. The Express comes with an IR remote and doesn't pair or have volume control. From what I'm seeing, it's actually the Express+ that you have; at least, that's what comes in the Projector/Roku package. That setup has a remote that should work already.
Are you saying that it didn't automatically work when you set it up? The devices are sold together, and I would have thought it would have worked out of the box. So, was it in a sealed box when you got it? Might it have been previously opened and returned?
Since you just got it, I would suggest doing a factory reset on the Roku device. Either use the menu system to do a factory reset, or press/hold the reset button/pinhole for at least 30 seconds.
DBDukes
Roku Community Streaming Expert
Note: I am not a Roku employee.
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