Sounds like you got about the same response I did from Asus service rep. Yeah, having to do stupid work arounds for such a simple feature/thing is retarded when you spend 2000 dollar on (20 000 sek for me in sweden) a high end laptop. I wont be supporting Asus either. Thinking of giving MSI a chance when i build my next machine.
So I know this fix is not for everyone but I have worked with someone to has a laptop similar to mine.
They have requested a BIOS unlock in a BIOS unlocking forum which has exposed more advanced features in the BIOS menus with the potential to cause harm if modified improperly but you also get the ability to change the following:
With the unlocked BIOS, they now have full voltage control within the OS, so all settings are exposed to throttlestop and they can go beyond the -.80mV undervolt restriction. If you have purchased ram that has faster latency which requires the use of XMP profiles to work properly, they can now be selected in the modified BIOS.
But the big thing that I asked them to test with issues with sleep.
A new setting that has been exposed is the ability to disable S0 sleep from within the BIOS. This will disable modern standby inside of windows. After running with only S3 sleep enabled, there have been no more issues with the laptop being able to enter standby and no issues with the fans turning off with the screen off. They reported that they have been using the laptop with an external monitor with the laptop screen off on several occasions. I have done some reading on the new modern standby introduced by Microsoft and it seems like there are other laptop manufactures that also have issues with laptops being able to enter standby and stay in standby with S0 sleep. I am not sure who is at fault here for modern laptops not being able to reliability enter sleep with this new Modern Standby trying to keep store apps awake so that your computer can still receive notifications while in sleep but it is nonsense. While my computer is sleeping, I want it to stay sleeping and use as little power as possible.
So while this might not fix the problem 100%, sounds like if there is no issue entering sleep, there is no issues with overheating. Maybe in a future official BIOS release, we can have the setting to disable S0 sleep exposed for all of us to decide if we would like to use it.
Couple of weeks ago i purchased two G712LWS and G732LXS for about 7000EUR to discover this problem on all 3 computers. This is highly disappointing, these were my first Asus laptops and im already considering returning them and getting something else. I've tried just about everything and i wasnt able to solve this. Only workaround is to shut them down or hybernate if i leave laptop for more than a couple of minutes, but thats just not an acceptable solution. Hopefully Asus comes up with a fix for this soon.
i'm use this, and it's work - https://www.reddit.com/r/Dell/comments/h0r56s/getting_back_s3_sleep_and_disabling_modern/
It was pointed out that the issue is Modern Standby(S0 Low Power Idle) Network Connected and it becoming harder to disable.
Someone at MS needs to be sacked for implementing it without ensuring we have the full ability to disable it.
I'm more disappoint in Asus because it's clear there is an issue yet they seem to be ignoring it.
The last Bios release was in July. That's plenty of time to get it fixed and besides their QA/AC should have pick up this issue by now.
I use Asus motherboards and have never had an issue other than one that was running a 4th gen i5 and had finally given up after years of abuse. Going on that experience and the reviews I thought I would give their laptops a try. Lesson learned here is most reviews are not worth a pinch and try before you buy.