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Troubleshooting • zero w2 xorg w/gpio screen?

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trying a desktop distro of the retroflag case 2w,

I used the patch GPiCase2Wpatch_retropie+zero2.zip which I know is for retropi but it seems to be general purpose and worked by dropping config.txt on boot and the two overlay files in the overlays folder (pwm audio and dpi24) system booting normally as expected with console output to the screen except xorg wouldn't' start

startx fails because I assume its trying to use the normal hdmi? I did follow a basic guide which said to
sudo nano /etc/X11/xorg.conf.d/99-fbdev.conf
with

Code:

Section "Device"    Identifier "Framebuffer Device"    Driver "fbdev"    Option "fbdev" "/dev/fb0"    Option "ShadowFB" "on"  # Optional: helps with refresh on some DPI screensEndSection
which still failed to start due to no screens? so searching a little I came up with this config

Code:

Section "Device"    Identifier "Framebuffer Device"    Driver "fbdev"    Option "fbdev" "/dev/fb0"    Option "ShadowFB" "on"EndSectionSection "Monitor"    Identifier "GPi Monitor"    HorizSync   30 - 70    VertRefresh 50 - 75    Option      "DPMS" "false"  # Disable power management if glitches    Modeline    "640x480" 25.175 640 656 752 800 480 490 492 525 -hsync -vsync  # Timings matching DPIEndSectionSection "Screen"    Identifier "GPi Screen"    Device     "Framebuffer Device"    Monitor    "GPi Monitor"    DefaultDepth 24  # Or 16 if performance is bad    SubSection "Display"        Depth     24        Modes     "640x480"    EndSubSectionEndSection
which also does not work, any suggestions because I am stummped at this point, though I had a lot of fun just playing around with the lynx console on it so far but it would be nice toget a regular desktop running if anyone has any ideas?

Thanks

Statistics: Posted by iamfox — Thu Jan 22, 2026 4:02 pm — Replies 4 — Views 57



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