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Posted

Im using a 5" HDMI Adafruit screen with the red brick, cant figure how to get it to rotate 90 Degrees. xrandr commands return 'Can't open display'

 

Thanks

Rob

Posted

Thanks - that gives some improvement, but now i get:

 

tf@red-brick:~$ DISPLAY=:0 xrandr -q
xrandr: Failed to get size of gamma for output default
Screen 0: minimum 800 x 480, current 800 x 480, maximum 800 x 480
default connected 800x480+0+0 0mm x 0mm
   800x480       66.00*
tf@red-brick:~$ DISPLAY=:0 xrandr -o right
X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  140 (RANDR)
  Minor opcode of failed request:  2 (RRSetScreenConfig)
  Serial number of failed request:  14
  Current serial number in output stream:  14
tf@red-brick:~$

 

Rob

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