Re: [oS-EN] Laptop fails to recover from hibernation, hard locks on black display

On 2026-08-02 15:25, Carlos E. R. wrote:
> On 2026-08-02 15:04, Bengt Gördén wrote:
>> On 2026-08-02 13:56, Carlos E. R. wrote:
>>> Aug 02 13:28:16 Laicolasse.valinor kernel: *Hardware name: LENOVO 
>>> 21C5CTO1WW/21C5CTO1WW, BIOS R1YET40W (1.17 ) 01/10/2023*
>>
>> Your BIOS seems quite old.
>>
>> https://support.lenovo.com/us/en/downloads/ds555119-bios-update- 
>> utility- bootable-cd-for-windows-11-10-64-bit-thinkpad-l14-gen-3-l15- 
>> gen-3
>>
>>
> 
> I don't touch the BIOS unless I know there is something broken.

Well. According to your text something is broken. I would start with the 
BIOS and see if the problem persists after the update.

You could also try another backported kernel, 7.1.5


> And those updates are for Windows, they say. Windows Drivers.

You didn't read the page, did you?

BIOS Update (Bootable CD)

This is what I've been using for years on my Thinkpads.


-- 
/bengan