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Last active Jun 9, 2020
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Raspberry Pi with HDMI Switch

For some HDMI switches (e.g. ATEN), to make HDMI hot plugging work well with Raspberry Pi, set the following in /boot/config.txt:

hdmi_force_hotplug=1 # always output HDMI even if not plugged in
hdmi_drive=2         # always output audio to HDMI
hdmi_group=1         # use CET mode (compatible with TV)
hdmi_mode=16         # use 1080p; otherwise it may switch to SD resolution



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@seriussoft seriussoft commented Aug 18, 2017

This helped when nothing else was doing the job. Thanks! 👍

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