[Q] Connecting All Share Cast to the projector in my classroom - General Questions and Answers

I have bought the Samsung Note 3 (2014) edition recently to use for teaching Maths. I also have bought a Samsung All Share cast to use to connect it to the projector. I tried it on my tv at home and it works no problem but when I tried to connect to the school projector I experienced problems.
1. The All Share Cast connects to the projector via HDMI connection and the setup screen comes up on the wall
2. When try to connect using the pin method with my tablet or phone (S5), the pin will show up on the wall and I enter it on my phone and it begins to connect
3. But then as soon as it begins to connect, the screen goes black on the wall and I get an error message on my phone saying "screen mirroring has been disabled"
4. The projector image then goes back to the initial setup screens as explained in point 1.
Can anyone help me please?
It connects perfect to my tv but not to the projector in school.

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Mirror my S6 screen on my samsung smart tv without wifi?!?

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Try a Chromecast. Plugs into hdmi, has its own Wi-Fi, you can mirror your phone. $35.
EDIT: ^ What he said.
Chrome cast is cheap and awesome
- Renolz
Is there any other way to stream my screen and sound without chromecast? The problem is that my network adapter from my tv seems to be broken and that the software is absolutely buggy too, i couldnt update the girmware from my smart tv with a usb so i need to try another way without buy something new like chromecast stick or hdmi to micro usb cable.
I don't think the S6 supports a cabled connection, so ìf the WiFi on your TV is broken a Chromecast is going to be cheaper than replacing the TV connection.

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Anyone know how to watch Xfinity live TV on an external monitor?
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This is on an RCA 10" Viking Pro with Keyboard.
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Ok so I found it and want to share if someone will also have any problems.
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It works pretty nice.
Good luck all!
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