Live mode connected to HDMI monitor, fail

Last Zorin Core in live mode.
Perfect with my VGA monitor and connected to VGA port in mu Acer Aspire Revo p3610, 4 gb ram
New monitor SAMSUNG 4K HDMI ports.
Connected to HDMI port in my Acer Aspire Revo.
Try in live mode again and....nothing! The screen is black.
Trying with te same monitor, same Acer Aspire Revo but other distro like Knoppix or Ubuntu Cinnamon...all is ok!
What is happends with ZORIN?

Can you please list your graphics

sudo lshw -C video

and your current kernel (on Zorin OS)

uname -r

root@mx1:/home/demo# sudo lshw -C video
description: VGA compatible controller
product: C79 [ION]
vendor: NVIDIA Corporation
physical id: 0
bus info: pci@0000:03:00.0
logical name: /dev/fb0
version: b1
width: 64 bits
clock: 33MHz
capabilities: pm msi vga_controller bus_master cap_list rom fb
configuration: depth=32 driver=nouveau latency=0 resolution=1360,768
resources: irq:30 memory:fb000000-fbffffff memory:e0000000-efffffff memory:f8000000-f9ffffff ioport:ec00(size=128) memory:c0000-dffff

root@mx1:/home/demo# uname -r

Thanks for you fast answer!!

It shows you on Nvidia with the Nouveau driver.

Can you specify your Nvidia Card?
For example, GTX 1060 or RTX 3060...

This looks like you are on the MX Linux Live USB. It will have a different kernel than Zorin OS.
For your LiveUSB of Zorin Core, is it 16.3 or 17?

Zorin Core 17
nVidia cart: ION (driver 342.01) GeForce 9400M GPU

The 340 Nvidia driver is past support. You would need a kernel of 5.15 or earlier to use that driver on Zorin OS.

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Only one more "innocent" question: Why Knoppix or Ubuntu-Cinnamon works ok with my older Acer Aspire ION p3610 ?
Why it is not possible wuith your excellent Zorin-Core 17?
Thanks again

Different distributions can contain different kernels, drivers and different packages.

If Zorin begins support fort Nvidia legacy drivers, this may add Zorin OS to your list of working distros.
That can be a subject for Zorin Feedback.

My last question
I have followed the instructions the Butterfly : nvidia-legacy : Butterfly in other PC with no problems using ZORIN CORE 17 in live form
Now, all the changes in the live session
How can I save this changes to try with the other problematic Acer Aspire ION?

Changes made in the LiveUSB are not permanent. You must install, then you can use recovery mode with the Root - Drop to prompt to make permanent changes to the installed system if you cannot do so from the Desktop.

OK can you try to explain how to do?
I can install ZORIN CORE 17 in other PC.
I follow the changes Butterfly
When I finish ...what to do next to create a "new one" ZORIN-CORE 17 with the nVidia-ION changes to try in live mode in the problematica Acer Aspire Revo?

I think the trouble is that you are focusing on creating a Zorin OS 17 install medium that includes your changes.

Why are you doing that?

Instead, install Zorin OS 17, then once it is installed, upon reboot enter the Grub Menu > Advanced Options for Zorin, Select Zorin on 6.2... (recovery)

In the recovery menu, select Enable networking. Once it is enabled, back up to the recovery menu and arrow key down to Root - drop to prompt.
Install the kernel:

sudo apt install linux-image-5.15.0-83-generic linux-headers-5.15.0-83-generic linux-modules-5.15.0-83-generic linux-modules-extra-5.15.0-83-generic

Install the 340 legacy:

sudo add-apt-repository ppa:kelebek333/nvidia-legacy

sudo apt update && sudo apt install nvidia-graphics-drivers-340

Back up to Advanced Options for Zorin and select
Zorin on 5.15.0-83 to boot from and test.

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Yes, you are right: I think the trouble is that you are focusing on creating a Zorin OS 17 install medium that includes your changes.

Why are you doing that?
Why? Because I want to have a "New" Live Zorin with all the changes to use in live mode in my old Acer Aspire Revo. I dont want to install it

This would require that you create your changes, then create a new .iso file. You probably could achieve this using RescueZilla; but the steps to perform it would require you to install it the same way I outlined above in order to create the base for RescueZilla to use.

Otherwise, you will need to extract the Zorin OS 17 .iso, change the kernel and install the software, then recompile it.


Thanks a lot for your answers and explanations

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