How should I keep everything attached to the monitor and prevent slipping?

Sorry if this is an ignorant question but my hdmi board and controller board don’t have a metal housing to adhere to the monitor and although everything plugs in fine I was wondering what would be the best option for keeping everything from slipping once it’s on the wall, should I make a PLA housing? Use Velcro? Zip ties?

Thanks for helping out

I would certainly NOT trust it to tape, and if you are not allowed to put any holes in the wall at all, then the only thing you might want to try is hanging the mirror using an over-the-door hook, something like this:

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You should be able to find something similar, and likely more apt at a local hardware store.

Otherwise I’d recommend just leaning it against the wall and don’t bother hanging it until you move to a permanent home.