Linked Questions

13
votes
3answers
13k views

Ubuntu 18.04 can't resume after hibernate

Hibernate worked correctly when I had been using Ubuntu 17.04. After upgrade to 17.10 I couldn't resume because of black screen after resume (this bug). After upgrade to 18.04 if I try to start my ...
19
votes
5answers
11k views

Netbook performs hard shutdown without warning on low battery power

My Asus EEE netbook performs a hard shutdown when it reaches low battery power, without giving any warning - i.e. the power just goes off, without any shutdown process. I can't find anything in the ...
80
votes
10answers
139k views

How can I hibernate on Ubuntu 16.04?

How should I successfully hibernate Ubuntu 16.04? I've tried almost every solution on the web but non of them was actually helpful. I found my problem almost completely similar to this one
0
votes
1answer
18 views

How to switch to plane mode before suspend

I have a Slimbook and I noticed that once suspended (close the lid), it would wake up if there is any transmission with the bluetooth mouse. And in fact, when suspended, there is no reason why the ...
3
votes
3answers
1k views

How can I hibernate on Ubuntu 17.10 or save my session?

I want to store my session or hibernate on Ubuntu 17.10, to avoid always having to reopen the same applications. How can I do that?
8
votes
4answers
9k views

System does not hibernate; the screen flashes off for a few seconds and nothing else happens

I just upgraded my Ubuntu 11.10 to 12.04. I have a problem with hibernation in my new 12.04. I run the following command sudo pm-hibernate but my system does not hibernate, i.e. my system does not ...
1
vote
1answer
296 views

Hibernate command in 12.04 causes my PC to hibernate temporarily and restart

Hibernate worked fine for my system in previous 10.10 and 11.04 versions. I recently upgraded to 12.04. I did not see any hibernate command in the menu. I made the change proposed in another Ask ...
14
votes
2answers
2k views

Force hibernate using hibernate instead of pm-hibernate

I'm running 18.04 and trying to have my system use hibernate instead of pm-hibernate when my laptop's lid closes. I have a swap partition of 20GB on 16GB of RAM, so ample space. When I use pm-...
3
votes
0answers
186 views

Set pm-hibernate as default in Ubuntu 18.04

With the help of questions here at SO (1, 2) I managed to find a way of hibernate my computer. The only approach that worked was with uswsusp, which made pm-hibernate work, but now I can only ...
10
votes
2answers
10k views

How to enable hibernation in 16.04

I have lost the to me essential hibernate functionality after upgrading ubuntu. This is normal, but unfortunately I could not reenable it this time. I tried these three previous solutions: setting 3 ...
21
votes
5answers
81k views

How to permanently disable sleep/suspend?

Subtly broken is worse than frankly broken... Background: I already disabled suspend in System Settings -> Power. The "Suspend" option still appears on the gear menu (not that I expected it to ...
6
votes
2answers
3k views

How to enable hibernation on ubuntu 16.04?

I know there are lots of threads about this already, but none of them works for me. I tried the solution mentioned here: How to enable hibernation in 16.04 Xubuntu 14.04: how to enable hibernate? How ...
6
votes
2answers
543 views

Laptop heating up when put it in bag

When I close my laptop lid (sleep: blinking power light) and put it in bag, it heats up too much. I found out that this is because CPU, GPU and Harddisk are still running when the laptop is in sleep ...
52
votes
4answers
34k views

Hibernation is still missing from menu in 13.10 after enabling via polkit. How to enable?

I know that since 12.04, we need to add a policykit rule to enable hibernation (see question How to enable hibernation? and the Official Documentation). I can successfully bring my laptop into ...
0
votes
0answers
61 views

without AC adapter, wake from suspend does full boot (16.04 LTS)

Here are the scenarios: Suspend and wake with AC adapter plugged in whole time: Works as expected Suspend or wake without AC adapter (i.e. power state changes in between suspend or wake): Full boot,...

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