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I have my pi plugged into a monitor with HDMI, and I want to use my laptop (running Ubuntu Linux) to control what it displays on the monitor through VNC. Currently, I can connect to the pi with VNC, but what I see in my laptop's VNC window isn't displayed on the monitor - instead, I just see the pi's command prompt. I want the image of the pi's desktop that I see on my laptop to display on the monitor, and I want to be able to control it with my laptop's mouse and keyboard - in short, I want the pi to mirror the VNC client. I'm using Remmina on the client laptop but if there's a better program let me know. In your response, please lay out all the steps and be as painfully specific as you can be - I'm a newcomer to all this.

A similar question to mine was asked here, but I found the answers unclear.

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Jonathan Cox
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2 Answers2

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You could install x11vnc and configure it to get same screen on HDMI and VNC client. See this answer https://raspberrypi.stackexchange.com/a/9610/8697

There are some caveats related to screen size. Also, I believe, you don't get the hardware acceleration, but you don't get this with normal VNC.

You could also install x2x on both devices, but I have never tried this myself.

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Milliways
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You have VNC working, but the output isn't displayed on the monitor. I believe you need to either boot to desktop (options in raspi-config) or on the command prompt run startx. After this, you then connect via VNC and you should be able to do what you are asking.

developius
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