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I am trying to access my pi remotely using VNC. However the automatic server that is created on startup, when no HDMI is attached, is not viewed correctly in VNC viewer. Only a very small portion of the screen is displayed and I am not able to scroll to other sections of the page. I have tried this on the desktop viewer and mobile viewer and the problem is the same.

If I create a server using ssh with vncserver :1, the resulting virtual window is correct and I am able to scroll to different parts of the screen. However this is no use to me as I would like to access the pi over the VNC cloud so rely on the vncserver that is created at startup.

Is there a way of changing the code when the raspberry pi starts up that creates a default window that can be scrolled in VNC viewer?

  • I can promise you that you will be much happier using xrdp. sudo apt-get update then sudo apt-get install xrdp - then use Windows Remote Desktop or remmina for RDP access. Also, on Linux remmina is the best VNC client, and tightvnc client is best on Windows for VNC access. – SDsolar Apr 7 '18 at 8:34
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Ok I solved this problem by adjusting the display options in Raspi-config. Using the following:

sudo raspi-config

Advanced Options > Resolution > DMT Mode 85 1280x720

  • Then in the terminal you type vncserver and set a password for access. – SDsolar Apr 7 '18 at 8:35
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There are two important steps one can take to make life easier.

  1. To start vncserver on startup:

Add: -su - -c '/user/bin/vncserver :1' to "/etc/rc.local" file.

  1. Change the screen size on your Pi to load properly according to your client machine resolution.

Type in terminal: sudo raspi-config

Go to advanced option > resolution > [select resolution accordingly]

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Once you have that working you might want to consider using Remote Desktop Protocol.

sudo apt-get install xrdp

All Windows machines have an RDP client called Remote Desktop Connection.

Plus, you can use Remmina on linux machines as a client also.

sudo apt-get install remmina

Remmina has the advantage that it can connect via either VNC or RDP, and uses a tabbed interface if you connect to more than one server.

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