Homatics Box R 4K Plus - no display after changing resolution

Help & Support Installation & Booting
1

I have the following problem.
I changed the resolution in coreelec 21 to a value that seems to be not supported by my tv/display. (In my case its 1080p120hz)

I already found a possible solution here but its not working in my case.

What i did:
Access box with SSH as root
Deleted the resolution.ini with the following commands:
mount -o remount,rw /flash
cd /flash
rm resolution.ini
reboot

After reboot the resolution.ini is created again unforunately with the same “wrong” value stated under kernel_hdmimode.

Second try was make flash rw, edit the resolution.ini with nano and changed kernel_hdmimode from 1080p120hz to 1080p60hz.
Also here same again, after reboot the value is set back to the problematic 120hz.

Hope someone has another idea how i can fix that issue without doing a total reset or a new installation from scratch.

2

SSH and try
echo 1080p60hz > /sys/class/display/mode

3

First of all thank you for your reply.

Unfortunately not working.
If i check the file in a editor (nano) it still has the 120hz setting.
Also if i edit the parameter by myself and save the file it still is set to 120hz after opening the file again.
I don’t get why the changes are not being saved.
Permission says owner (root) has write permission and i’m logged in as root so this should work or do i miss something?

4

You must remove Kodi settings as it always use user settings you did set. Make fresh install.

5

So no chance to edit user settings in SSH console? So i need to reinstall “from scratch”?

I tried to change setting id=“videoscreen.screenmode” in the guisettings.xml but changes in that file are also not recognized.

6

Problem fixed.

I found a working solution.

SSH:
systemctl stop kodi
cd /storage/.kodi/userdata
edit the guisettings.xml with a editor, in my example nano:
nano guisettings.xml
search for videoscreen.screenmode
here you can change the resoltution to the “right/working” value.
In my example:
0384002160060.00000pstd
What means 3840x2160 with 60hz
then save the file and reboot the box.

7

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