Fixing VirtualBox Screen Share Not Working on Mac
## Direct Answer
To fix VirtualBox screen share not working on Mac, ensure that the VirtualBox Extension Pack is installed, the guest operating system is configured to use the VirtualBox graphics controller, and that the screen sharing setting is enabled for the virtual machine.
## Step-by-Step Guide
1. **Install the VirtualBox Extension Pack**: Download the Extension Pack from the official VirtualBox website and install it. This pack includes the necessary components for screen sharing.
2. **Configure the Guest Operating System**: Ensure the guest operating system is set to use the VirtualBox graphics controller. To do this, go to **Settings** > **Display** > **Graphics Controller** and select **VBoxSVGA**.
3. **Enable Screen Sharing**: Select the virtual machine and go to **Settings** > **Display** > **Remote Display**. Check the box next to **Enable Remote Display** and set the **Server port** to a port of your choice.
4. **Connect to the Virtual Machine**: Use a VNC client to connect to the virtual machine using the IP address of your Mac and the port number you specified in the previous step.
## FAQ
* **Q: What is the VirtualBox Extension Pack?**
A: The VirtualBox Extension Pack is a collection of additional components that provide extra functionality to VirtualBox, including support for screen sharing.
* **Q: Why is screen sharing not working even after installing the Extension Pack?**
A: Ensure that the guest operating system is configured to use the VirtualBox graphics controller and that screen sharing is enabled for the virtual machine.
* **Q: Can I use any VNC client to connect to the virtual machine?**
A: Yes, you can use any VNC client, but ensure it supports the same protocol as VirtualBox (RFB 3.8).
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