Score:1

Ubuntu

My Ubuntu 20.04 LTS System thinks it's a laptop. How do I fix this?

Bob Reed

6/22/23, 3:57 PM

I set up an Ubuntu 20.04 LTS server OS to use as a media server. It is uses desktop hardware with a mobile processor (Intel i5-6600T). Until recently it has worked fine. But I recently installed Gnome on it to make management a little easier and it started goingg into sleep mode after several minutes of inactivity. When I went to Settings -> Power with the intent of disabling Automatic Suspend, and I noticed that it seems to think it's a laptop because of the mobile processor. Instead of displaying the normal desktop power settings, it shows Battery with a bar showing it 100% charged and it doesn't show the buttons for Automatic Suspend. I know I can just hit any key on the keyboard to resume functioning, but this system lives in my basement and I xRDP to it usually.

I did manage to find a command that prevented the OS from executing an Automated Suspend, so it is not sleeping now. That command was:

systemctl mask sleep.target suspend.target hibernate.target hybrid-sleep.target

and it is working fine. But the Power control panel still shows the system as having a battery (like a laptop) and it still doesn't show the Automated Suspend control button.

Can anyone give me an idea of how to correct this?

0 + 0

gnome

power-management

20.04

Organic Marble

6/22/23, 4:31 PM

Please specify exactly what desktop environment you installed. That will allow identification of the power settings.

Bodo

6/22/23, 4:35 PM

Please don't use comments to add information, [edit] your question and add all information there. It might help to mention *what* command you found.

mikewhatever

6/22/23, 5:14 PM

There seems to be zero evidence to the claim that "Ubuntu thinks it's a laptop". Is there, in fact, any evidence to provide, and if yes, will you provide it? As is, there seems to be nothing to fix.

Bob Reed

6/22/23, 8:03 PM

I have added the command I used to stop the OS from going into Automated Suspend by editing my original post. And, in response to the question about evidence for the claim that "Ubuntu thinks it's a laptop" I can only respond that no other Ubuntu desktop installation I have seen has the Power control panel displaying the state of battery charge or lacks the Automated Suspend switch. Does yours? So I assumed that if the OS thinks the system is being powered by a battery, it must think it is a laptop. Most desktops use AC power.

user68186

6/22/23, 9:40 PM

Do you have an uninterrupted power supply ([UPS](https://www.techradar.com/news/best-ups)) in between the wall power outlet and your computer?

Bob Reed

6/23/23, 7:02 PM

Yes, the system is connected to an uninterruptable power supply.

user68186

6/27/23, 3:05 AM

The UPS is basically a battery. This is why the power control panel shows the system as having a battery (like a laptop).

Score:2

Ubuntu

Bob Reed

6/28/23, 3:04 PM

The comments posted by user68186 offer the answer to my question. Connecting the system to a UPS and installing the UPS software in Ubuntu is why the power system preference shows a battery charge level meter and no longer shows the Automated Suspend preference setting.
The question is now answered.

0 + 0

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: My Ubuntu 20.04 LTS System thinks it's a laptop. How do I fix this?

TH: ระบบ Ubuntu 20.04 LTS ของฉันคิดว่าเป็นแล็ปท็อป ฉันจะแก้ไขปัญหานี้ได้อย่างไร

RO: Sistemul meu Ubuntu 20.04 LTS crede că este un laptop. Cum repar asta?

RU: Моя система Ubuntu 20.04 LTS думает, что это ноутбук. Как я могу это исправить?

VI: Hệ thống Ubuntu 20.04 LTS của tôi cho rằng đó là máy tính xách tay. Làm thế nào để tôi khắc phục điều này?

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