XPS 15 7590, overheating when idle or asleep

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The issue is seen under Windows environment while the BIOS setting is set as Force Sleep (default setting is auto detect) which would add the capability to enter into traditional S3 sleep mode and thus cause the issue.

As the XPS 15 7590 is a modern standby supported platform, S3 mode is not officially supported per platform design. Refer to this from the Microsoft support site for the behavior difference between S3 and Modern standby.

To find the sleep states available on your PC do the following:

1. Open a command prompt.

2. Type the command below into the command prompt, and press Enter.

   powercfg -a

That should show you the various sleep states available on your system.

Hi JZ3333,

I'm waiting for your response to move further on this case.

Backpack usage
With regards to transporting your PC, you should turn the PC OFF. Under no circumstances should you leave a PC powered on and in some sleep/hibernate/standby mode when placed in a bag or backpack or in an overhead bin. The PC will overheat as a result of this. Any resulting damage would not be covered by the Dell warranty.

What is Modern Standby and how does it differ from S3 Standby

Workarounds for Modern Standby battery consumption and heat
* Highlight on the battery icon (bottom right)
* Right click and click Power Options
* On the left side navigation, click "Choose what the power buttons do"
* On, "When I press the power button", change On battery and Plugged in to "Shut down"
* Click Save changes
* Go to Windows settings and select Power & sleep. There will be an option for Network connection: "When my PC is asleep and on battery power, disconnect from the network", change it to "Always".

* Open Device Manager
* Open the Network Adapters section
* Right click on the Wireless adapter
* Go to the Advanced Tab
* Go to Properties and select Wake on Magic Packet and set the value to Disabled
* Go back to Properties and select Wake on Pattern and set the value to Disabled
* Click the Ok button and close the open windows

This is a very concerning problem. I've turned off the wake settings as recommended and the problem remains. It seems the latest bios & driver update - early Nov 2020 - made the problem worse, including new WD19-TB display and Ethernet wake failures.

You seriously say that I can't put my computer in my backpack while in standby. That's a severe limitation in usage of the product. I have never heard that that's a problem with any other laptop. People do it all the time!

I have the same problem and I agree with the other user that having my laptop heat up in my bag is an unbelievable issue to have.  I worry what damage was caused to my machine.

My question is -- I feel like the answer was not clear enough.  What sleep mode do I want enabled to avoid this waking when on battery?

Second problem is that I was unable to find the right steps to do this:

* Go to Windows settings and select Power & sleep. There will be an option for Network connection: "When my PC is asleep and on battery power, disconnect from the network", change it to "Always".

Help!!!!  I like this laptop and don't want it to self destruct!!!!

dave

I'm also having this overheating issue, I have loved Dell for many years but this "you are using it wrong, it's the OS's fault" response really sounds like Apple to me. 

If I'm buying a $2500 laptop I expect it to have failsafes and actually work like most other laptops.

People forget everyday if they shut their laptop off or not, and this issue also happens when the machine is just sitting on a table. Really regretting buying this thing, it's a decent machine but issues like this makes me fear for my job. 

I own the same model laptop.  My laptop also suffers from mild brief overheating while in sleep mode. But that not the only thing very wrong here. What makes this laptop unique to other laptops is that all of the main air vents are on the bottom of the laptop rather than having some on the side. So if you leave the laptop with the bottom on or near a fabric surface, such as on a bed or sideways in a bag, it will become hot a lot quicker. This is because the fabric can partially smother the computer and limit the air that the vents take for the fans. So do not leave the computer sitting on anything fabric for a long time. If you want to have your computer on your bed, try lifting it a little bit off the bed once in a while so it can breathe. If you have to carry it sideways in a tight bag for long distances, try shutting it off before you put it in. While I am not sure how to solve the sleeping issue, I did find that it stops being hot a lot quicker if you flip it upside down while it is asleep.

Regarding the dead screen and the shutdown, I believe that is a self preservation system to prevent the computer from becoming seriously hot and causing major damage. I know because it happened while I was doing photoshop. When that happens, let it take a break upside down for 10 minutes or so. When I turned it back on, my work was still there.

Also. I find the fingerprint reader very unreliable. It is much easier to use a password instead, which cannot fail.

Also I have had this version of this laptop for over 2 years now and heating hasn't done a thing to injure or kill it yet.

This issue popped up for me AGAIN after updating my XPS 7590 to Windows 11.  Prior to upgrade to Windows 11 Modern Standby was working fine.  Since Windows 11 update fans randomly spool up during sleep.

Initial troubleshooting:  Updated to the
*Latest drivers from Dell
*Latest Windows update
*Latest BIOS

Tried forcing S3 sleep with the following command in the CMD prompt: reg add HKLM\System\CurrentControlSet\Control\Power /v PlatformAoAcOverride /t REG_DWORD /d 0

This fixes the overheating/fand in sleep BUT kills Bluetooth in S3 sleep.

Current workaround:
1. Enabled hibernated in command prompt: powercfg.exe /hibernate on
2. Switched from Sleep to Hibernate in the Control Panel->Power Options under all scenarios when sleep would normally be initiated: closing lid, pressing power button 
3. Set Sleep to "Never" in the New Windows Settings app (both plugged in and on and battery)
4. Set to Hibernate when on battery power after 15 minutes in Control Panel->Power Options->Advanced Power Setting (Always on when plugged in).

So far this seems to be working.  Suboptimal but OK

Dell PLEASE FIX THE BUG!

When I used to lose ethernet coming out of sleep I would open Device Manager and Disable and then re-enable the Killer Ethernet card under Networking.  That seems to be another way to re-initiate the network card without rebooting.

I don't have that particular issue anymore.  That actually only happened to me in Modern Sleep before upgrading to Windows 11 and switching to hibernation.

I also tried switching to S3 sleep via a registry command.  But with S3 sleep I lose Bluetooth when coming out 🤷‍

I too found hibernating stops the overheating. However, I frequently lose Ethernet coming out of hibernation and only a reboot works.

Dell fix this bug!

Thanks for the instruction. I tried multiple approaches at the software layer, all to no avail. Clearly an issue or setting in the Ethernet card.

Have you tried forcing the S3 sleep mode using this command prompt (registry) hack?
reg add HKLM\System\CurrentControlSet\Control\Power /v PlatformAoAcOverride /t REG_DWORD /d 0