Not output video Recalbox 7- rpi4 in my TV

[key_deep2]

@Zing thanks for your answer, but i still have the same problem.
On a new Pi 3 Mod. B + installation with v7.0.1 (for pi3) no problem. Boots without modifying config.txt in DMT 81 (preferred resolution).
In a new Pi 4 installation with v7.0.1 (for pi4) the intro videos are seen, then black screen.

I can't get it to boot into DMT by modifying config.txt
hdmi_group = 2
hdmi_mode = 81
I only get it to boot by forcing VGA with hdmi_safe = 1 or with hdmi_group = 1
hdmi_group = x
I've tried different HDMI cables in case it was a cable problem.

[Laban]

you can try this command to list all screens

DISPLAY=:0.0 xrandr

Edit /etc/bin/X11/xinit/xinitrc under the line # xrandr --output output_name --off the line with your TV entry
comment the line beginning by /usr/bin/externalscreen.sh &

For example, i have two screens LVDS-1 : my laptop screen and my TV identified by DP-0
I added this line

xrandr --output LVDS-1 --off --output DP-0 --mode 1920x1080

Then reboot your rpi4

[key_deep2]

@Laban Thanks for your answer
I have tried winSCP and PuTTy over SSH and it throws the same error

I can't find the directory you mention to me

[Pitch64]

There is no xinitrc and xrandr on rpi... The issue seems to be on rpi, not on PC which have xinitrc and xrandr.

And xinitrc is on /etc/X11/xinit, there is no bin directory.

[key_deep2]

@Pitch64 It seems that way, my problem is that I give it two uses: in a room with a 22 "monitor for me and in the living room with the TV to play the children ..., I won't be able to use the pi4 for me. Thank you for your support

[zamalek89]

@gabo said in Not output video Recalbox 7- rpi4 in my TV:

Hello, my tv is hd (1360x768) connected with a raspberry pi 4 and I have problems with blackscreen (no signal), I had changed this parameters in config.txt file :

uncomment to force a specific HDMI mode (this will force VGA)

hdmi_group=2
hdmi_mode=39

And now I have solved the problem, but when I want to change to kodi I have the same problem with blackscreen (no signal video).
thanks for yours answers!

I have the same problem. I am complete total noob. Any help?

[key_deep2]

@zamalek89 I have been able to start Recalbox on a 1366x768 monitor in the following way:
You put the microSD into the PC, open the "recalbox" unit, you will find several files, edit "config.txt" (notepad works).
You change the lines:
#hdmi_group = 1
#hdmi_mode = 1
by:
hdmi_group = 2
hdmi_mode = 39
and save modifications. With these changes, it will start in 1360x768 resolution and recalbox will work without a problem, the bad thing is that you will not be able to switch to kodi, you will get a black screen.
I have tried modifying kodi.videomode in the "recalbox.conf" file but have not succeeded in getting it into kodi.
** important ** that configuration only works for that monitor, if you start with that configuration on any TV it will not work

[zamalek89]

@key_deep2 thank you so much that worked. Now i just need to get kodi to work

[key_deep2]

@zamalek89 Try to enter kodi:

• While in Recalbox, disconnect the HDMI cable.
• Press X to enter kodi.
• Wait a moment for it to enter kodi.
• Connect the HDMI cable
  Not a solution, but it works

[Laban]

@Laban said in Not output video Recalbox 7- rpi4 in my TV:

xrandr --output LVDS-1 --off --output DP-0 --mode 1920x1080

sorry the file is in /etc/X11/xinit/