pi400user Posted October 16, 2022 Share Posted October 16, 2022 $ cvt 3840 2160 # 3840x2160 59.98 Hz (CVT 8.29M9) hsync: 134.18 kHz; pclk: 712.75 MHz Modeline "3840x2160_60.00" 712.75 3840 4160 4576 5312 2160 2163 2168 2237 -hsync +vsync $ xrandr --output HDMI-1 --mode 3840x2160_60.00 xrandr: Configure crtc 0 failed $ xrandr --verbose Screen 0: minimum 320 x 200, current 3840 x 2160, maximum 7680 x 7680 HDMI-1 connected primary 3840x2160+0+0 (0x41) normal (normal left inverted right x axis y axis) 708mm x 399mm ... CRTC: 0 CRTCs: 0 I would like to setup 4k with a PI400. I found https://docs.armbian.com/User-Guide_Fine-Tuning/ and followed the instructions Did I something wrong, or is this simply a bug? 0 Quote Link to comment Share on other sites More sharing options...
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