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    Please do not post a support request without first reading and following the advice in https://retropie.org.uk/forum/topic/3/read-this-first

    Cannot start runcommand: read only mode, sorry [start with --edit?]

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    runcommand permissions menu config
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    • A
      aless80
      last edited by

      TL;DR
      I get this error when trying to launch runcommand for a rom, though I think permissions are ok.

      read only mode, sorry [start with --edit?]

      This problem is not new but I think I tried everything I could find about it. I would like to try different emulators for different roms. I understood I am supposed to click any button or at least the (in)famous 0 or 1 buttons when I load a rom. Now, that button must be the left of the joystick in a PS controller (because: 1) I read this on this forum; 2) it seems to do something, see below; 3) I do not know how to read the output of jstest).
      When I move tot he left the joystick I see this error under my custom launching image:

      read only mode, sorry [start with --edit?]

      retropie_setup.sh

      This is the configuration I am using in $HOME/RetroPie-Setup/retropie_setup.sh > Configuration > runcommand:

      Launch menu: Enabled
      Launch menu art: Disabled
      Launch menu joystick control: Enabled
      Launch image delay in seconds: 2
      CPU configuration

      BTW I have never been able to see the grey menu "Launching <game name> Press a button to configure".

      Permissions

      I did try to reset ownership/permissions, I chown and chmod 777 everything I could think of. I also manually deleted /opt/retropie/configs/all/emulators.cfg (I read this somewhere).

      chmod -R 777 /opt/retropie/configs
chmod -R 777 /home/pi/RetroPie
chmod -R 777 /home/pi/RetroPie-Setup
chmod -R 777 /media/usb/retropie-mount
#same with chwon -R pi:pi

      I also reformatted my usb containing retropie from Fat to Ext4 so that I could set 777 permissions.

      Specs

      Pi Model or other hardware: Pi 3
      Power Supply used: 3.something
      RetroPie Version Used: Raspbian GNU/Linux 10 (buster)
      Built From: Pre made SD Image on RetroPie website on top of raspbian. RetroPie and RetroPie-Setup in $HOME, retropie-mount in usb
      USB Devices connected: yes, with retropie-mount folder
      Controller used: PS controller
      Error messages received: read only mode, sorry [start with --edit?]
      Emulator: lr-mame2003

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