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Hi guys,

I wonder if it is possible to force 1920x1080p resolution. Problem is, if I switch on my Rpi2 without having the AV-Receiver or the TV switched on, or after some time when Rpi was idle and I changed over HDMI inputs - Resolution goes down to 640x480. I just don't want to change it manually or reboot the whole system each time.

Can I somehow force 1920x1080p to be always present?

best regards
kos

Check below link (hdmi_mode) :
https://www.raspberrypi.org/documentation/configuration/config-txt.md

Thanks, that worked for me!

If anybody want's the quick solution, this is my /boot/config.txt