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bbfa235
(Get the code!)
I have freshly reinstalled 22.10 from USB live with nomodeset added at boot in GRUB. Then, after install I issued:
sudo systemctl suspend
The system went into suspend mode. After, I woke up the system by pressing the power button. The screen remained blank, however, I have noticed the keyboard backlight to switch on and then fade away and switch back on if I moved around on the touchpad.
Therefore, I have tried to log in as usual (without seeing anything), after which I pressed CTRL+ALT+T to launch a terminal and then I used:
sudo reboot
Followed by my password.
And the system rebooted.
Then, even further, I have managed to SSH to this Dell Latitude 7390 and can now confirm, the system is fine after wake up, with the screen remaining blank/black.
I have attached the output for:
journalctl -eb -1
Which contains the wake-up process.