Raspberry Pi 1080p Resolution Fix

I recently wrote up my new raspberry pi workstation with a nice new ViewSonic VA2246M but by default the Pi would only output 1600×1200. The configuration for the HDMI lives in the config.txt file in /boot. I had to work through a few different hdmi_group and hdmi_mode settings to find the right combination. I found a page that outlined all the possible combinations and I set about finding which one worked for my setup.

To save you an hour or so you’ll need to edit the /boot/config.txt file on the pi.

You’ll need to then find the section that has the following two lines


#hdmi_group 1
#hdmi_mode 5

Remove the comments and set the following


hdmi_group 2
hdmi_mode 83

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