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Low screen resolution on Orange Pi PC 3 LTS



Good afternoon.

The problem is indicated in the title. The computer is connected to my monitor via HDMI and the screen resolution is only 1024x768. Which is inconvenient to use. I saw a similar topic raised on the official forum of a single-payer in 2019, but no one answered there. Is this a problem of the computer itself or the Linux kernel or drivers?

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10 hours ago, rammfire said:


That is default fallback resolution when kernel can't read resolution info from display (on all platforms and architectures). There can be multiple reasons, like cable, monitor, some kernel/driver issue...

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Hi, did you tried this https://docs.armbian.com/User-Guide_Fine-Tuning/#screen-resolution-on-other-boards?


Thanks. This particular line of code helped me.

xrandr --newmode "1440x900_60.00" 106.50 1440 1528 1672 1904 900 903 909 934 -hsync +vsync


However, when I try to execute this line of code, I get an error.

xrandr --output HDMI-1 --mode 1920x1080_60.00
xrandr: cannot find mode 1920x1080_60.00


I don't fully understand how to execute this command, or will I fail to raise the screen resolution to the desired result?

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