If you are using VNCServer to remotely access your computer, you may encounter a situation where the screen appears grey on port 1, while the desktop environment works fine on other ports. This can be frustrating, but there are a few steps you can take to troubleshoot and resolve this issue.
Check your VNCServer settings
The first thing you should do is check the configuration settings of your VNCServer. Make sure that the display number for port 1 is correctly set. You can usually find this information in the VNCServer configuration file, which is typically located in the /etc/vnc directory.
If the display number for port 1 is incorrect or missing, you will need to edit the configuration file and make the necessary changes. Once you have made the changes, save the file and restart the VNCServer service.
Verify the X11 server
If the VNCServer settings are correct, the next step is to verify that the X11 server is running properly. The X11 server is responsible for managing the graphical display on your computer.
To check if the X11 server is running, you can use the following command in a terminal window:
$ ps -ef | grep X
If you see a line that includes Xorg or X, then the X11 server is running. If the X11 server is not running, you will need to start it using the appropriate command for your operating system.
Check for conflicting services
Another possible cause of the grey screen issue on port 1 is a conflict with other services or applications running on your computer. Some services or applications may use the same port as VNCServer, causing conflicts and preventing the display from working correctly.
To check for conflicting services, you can use the following command in a terminal window:
$ netstat -tuln | grep <port_number>
Replace <port_number> with the port number you are using for VNCServer (in this case, port 1). If the command returns any output, it means that another service or application is using the same port. You will need to stop or disable that service/application to resolve the conflict.
Update your VNCViewer
If none of the above steps resolve the issue, it is possible that the problem lies with your VNCViewer software. VNCViewer is the client application used to connect to the VNCServer on your computer.
Make sure that you are using the latest version of VNCViewer. Check the official website of the VNCViewer software you are using for any available updates. Download and install the latest version, then try connecting to the VNCServer again.
If the issue persists, you may want to try using a different VNCViewer software to see if the problem is specific to your current client.
By following these troubleshooting steps, you should be able to resolve the issue of a grey screen on port 1 while the desktop environment works fine on other ports. If you continue to experience problems, it may be helpful to reach out to the technical support team of your VNCServer software for further assistance.
| Reference | Link |
|---|---|
| VNCServer official website | https://www.realvnc.com/ |
| VNCViewer official website | https://www.tightvnc.com/ |