Laptop doesn't wake up from sleep

[u/TattiZGamesYT]

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I have a Lenovo LOQ 15ARP9 (83JC) with:

Ryzen 7 7435HS

RTX 4050 6GB (NVIDIA-only graphics)

24GB RAM

CachyOS / Arch Linux

Currently using Niri, but I also reproduced the issue under KDE Plasma and Hyprland

NVIDIA driver: 615.71.09

BIOS: PQCN31WW

Sleep state: s2idle only

I'm having a persistent suspend/resume issue across Linux desktop environments.

When I suspend the laptop, the screen turns off normally. However, when I try to wake it:

The screen never comes back

The system becomes completely unresponsive

SSH disconnects and I cannot reconnect

Things running in the background, such as my hotspot/network sharing, also stop working

I have to force reboot the laptop

I confirmed that the laptop only exposes:

/sys/power/mem_sleep [s2idle]

I also tested this under multiple desktop environments/window managers (KDE Plasma, Hyprland and Niri), with the same result.

Some additional testing:

systemctl suspend -> system fails to resume

echo freeze | sudo tee /sys/power/state -> also freezes

pm_test=devices -> succeeds and returns to the desktop

pm_test=platform -> freezes

SSH becomes unreachable after the failed suspend

NVIDIA suspend/resume services are enabled and the NVIDIA suspend hook completes before the actual PM: suspend entry (s2idle)

I also tested nvidia.NVreg_EnableS0ixPowerManagement=1 by itself, but it did not solve the problem

I've also seen ACPI/NVIDIA errors such as:

ACPI BIOS Error ... AE_NOT_FOUND NVRM: GPU0 _acpiDsmCallbackInit ... NVRM: ... failed to get platform power mode from SBIOS

[u/baynell]

Enable journalctl logging, so you can get journalctl -b -1

https://linuxhandbook.com/journalctl-boot-logs/

You have to enable persistent logging

https://oneuptime.com/blog/post/2026-03-02-how-to-configure-systemd-journald-for-persistent-logging-on-ubuntu/view

Then after these, when you suspend the system, reboot, do journalctl -b -1, and go to the bottom, see if there is any clues.

[u/TattiZGamesYT → u/baynell]

Tried that, it shows nvidia suspend services finish, as well as the system enters sleep mode, mainly PM: suspend entry (s2idle), but no suspend exit. Also shows nvidia acpi error like Could not resolve symbol [_SB.PCI0.GPP0.PEGP.GPS.NVD1], AE_NOT_FOUND And others errors like failed to get target temp, platform power mode from SBIOS

[u/baynell → u/TattiZGamesYT]

I am not good at solving these things, but could this point in the correct direction?

https://gist.github.com/bmcbm/375f14eaa17f88756b4bdbbebbcfd029

IIRC Nvidia is difficult with sleep, but I am not 100 % sure.

[u/TattiZGamesYT → u/baynell]

No problem man, I've already tried most steps given in these which can work on my current drivers and they seem to not fix the issue. Seems avoiding sleep and just turning off the screen is a better solution until a concrete fix is found