-1
votes
0answers
14 views

Ubuntu sleeps and wakes repeatedly on critically low battery state

When the battery is critically low it just suspends itself and wakes again automatically repeatedly in a loop. And i need to be like very very fast to click the shutdown button to turn down the ...
0
votes
1answer
60 views

rtcwake cron does not work

I intend to put my computer to sleep every night and make it wake up again next morning. I found that rtcwake would serve my purpose. However putting it in the crontab does nothing. Following is my ...
1
vote
0answers
65 views

Wrong hour to wake up with rtcwake

I want my Ubuntu 14.04 to shutdown, then wake up 06:00 AM with Windows. To achieve that task, I edited the grub so the default option is Windows, and created this script: sudo su << EOF ...
1
vote
0answers
43 views

Get program to catch signal after wake from suspend?

I'm running a program (specifically oscam) that interfaces with a serial reader on a USB port. However, the tty device file that the USB device gets assigned to differs and, in particular, changes ...
0
votes
1answer
209 views

Lenovo T410 Sleep/Wakeup Issue

I have a problem with my lenovo T410 laptop; whenever it sleeps or opening the led and the laptop is trying to wake up, the laptop just freezes in the login screen, the only way to fix it is to hard ...
2
votes
1answer
223 views

Troubles with suspend

I have some troubles with putting my PC in suspend mode. 1. I can't put it to sleep completely It suspends current session and goes to the log-in screen, it makes all the screens black, but it ...
1
vote
4answers
1k views

Ubuntu 14.04 freezes after wake up

After wake up the login screen appears, but I cannot type the password to log in. Furthermore, the buttons on the system panel (e. g. to shut down) are disabled, so clicking does not take effect. I'm ...
3
votes
0answers
159 views

Ubuntu wakes up automatically after suspending

I'm having this problem since Ubuntu 12.10/13.04 i think, now I have 14.04 and the problem stills. When I click the suspend button, the Ubuntu suspends normaly but after 1 or 2 seconds it turns on ...
3
votes
3answers
617 views

laptop fails to suspend or hibernate (wakes up after 2-5 seconds without user interaction)

This all started happening after upgrading to 13.10, now I am running 14.04 and still have the same issue. When I close the lid or I do sudo pm-suspend the laptop goes into suspend for 2-5 seconds ...
0
votes
0answers
39 views

XBMC and Power Saving

I have set up my XBMC system on my ASUS X401A laptop. I am now getting towards the stage where most of my film collection is on an external hard drive and as such I will be putting it closed on a ...
0
votes
1answer
145 views

Computer fails to wake up after hibernate

I recently fresh-installed Ubuntu 13.10 on my Toshiba Satellite L455 after several unsuccessful attempts at upgrading from a previous version. After resolving several minor glitches I find myself ...
2
votes
0answers
56 views

What's breaking suspend

I have problem with suspend, every morning around 7am my computer wakeup. I do not wish it to do it because it sometimes drains my battery if not in charger. How do I fix this? :) Ubuntu 13.10, AMD ...
1
vote
0answers
66 views

Ubuntu 10.04. High CPU usage right after wake up [closed]

I've been using 10.04 in my Vaio laptop for more than 3 years now without any problems, until recently. After updating (a few months now) my computer behaves not so well. The problem: If I suspend de ...
2
votes
0answers
236 views

Lenovo T420s won't wake up from suspend / 13.04

My Lenovo T420s on Ubuntu 13.04 notebook suddenly stopped waking up from suspend. It used to wake up when opening the lid, but now the screen stays blank, the power button slowly flashes and doesn't ...
1
vote
1answer
324 views

USB 3.0 doesn't work after waking up from suspend

I tried a few things but my problem is still here. If I restart my PC, USB devices work well. However, after waking up from suspend, the two USB 3.0 ports don't work but the USB 2.0 ports work well.
1
vote
1answer
524 views

wake up ubuntu 13.04 from sleep using usb

I have Ubuntu 13.04 64 bit x86 on my laptop and I am trying to make it possible to wake up using my wireless keyboard, thus I need to enable wake up on USB. I have read several guides but it simply ...
1
vote
1answer
342 views

Black screen after suspend - Toshiba NB515-SP020LL, GMA3600 graphics, Ubuntu 12.04

Hi I'm trying to troubleshoot this and am following these instructions to help me out. I'm getting a black screen after suspend and am using a Toshiba NB515-SP020LL with a GMA3600 graphics card. It ...
3
votes
0answers
147 views

How to tell if laptop was woken by rtc?

Say I set my laptop to wake every morning with rtcwake (e.g. echo $(date +%s 'tomorrow 08:00') > /sys/class/rtc/rtc0/wakealarm in a cron job or in /etc/pm/sleep.d/99-set-alarm.sh). Now, I'd like ...
8
votes
1answer
4k views

How do I wake from sleep using a bluetooth Keyboard

I have a Mac book pro, and a Henge dock. The dock is nothing more then a holder that allows you to easily plug in a few devices so you can "dock" your MBP. I also have a Apple wireless keyboard. The ...
9
votes
2answers
168 views

Is there a way to play a sound file when the system wakes up after suspend?

I would like to be able to enable some sound file to play whenever I wake up or suspend my laptop.Is there any way i could do this?
5
votes
2answers
2k views

Run Script on Wakeup?

Is there a way to run a script when a computer "wakes up" (from sleeping)? I know it can be done on startup, obviously, but the issue in this case is that the backlight of my laptop seems to reset ...
8
votes
3answers
7k views

Ubuntu will suspend but won't wake up

I installed Ubuntu 12.10 on an Apple MacBook Pro 9,1 Mid 2012 15inch non retina. Suspend suspends it but when I open the lid, it doesn't wake up. I tried pressing Ctrl + Alt + F1 but nothing works. ...
6
votes
1answer
478 views

How do I prevent immediate wake up from suspend (version II)?

This question covers one reason a computer might immediately wake after suspend: How do I prevent immediate wake up from suspend? I seem to have a different one. After a recent security patch update ...
0
votes
1answer
1k views

wake up from suspend to ram problem

I have very strange problem. After suspending to ram notebook doesn't wakes up, only leds and fan switches on, no HDD activity and display stays off(without backlights-completly off). If I press ...
2
votes
0answers
329 views

Wake up from sleep with GPIO (I2C)

My situation: Ubuntu 10.10 running on an Atom driven main board The main board has a GPIO chip integrated (F75111 by Fintek). They communicate through I2C (SMBus). We have a driver running that ...
7
votes
2answers
9k views

How do I make changes to /proc/acpi/wakeup permanent?

I had a problem with my Ubuntu 12.04 waking up immediately after going into suspend. I solved the problem by changing the settings in /proc/acpi/wakeup, as suggested in this question: How do I prevent ...
4
votes
1answer
4k views

How do I prevent immediate wake up from suspend and/or hibernation?

For a few days, my Ubuntu 12.04 desktop computer has mysteriously been waking up immediately after going to suspend mode. Since installation, my Ubuntu 12.10 laptop computer has also been resuming ...
2
votes
0answers
5k views

Screen stays black after Waking Up from Suspend [closed]

I installed Ubuntu 12.04 on HP DM4 Beats Edition and the suspend and wake up were working perfectly, but after an update I can't see 'Caps Lock' light, Wireless light etc, the fan is running but the ...
1
vote
0answers
767 views

Display stays black after wakeup from suspend [closed]

I'm using Ubuntu 11.10 on a 305u1a Samsung netbook with Radeon HD 6320 graphics. After suspend, my display stays black. The fans are starting and the harddrive-indication-light is working as well, so ...
7
votes
3answers
13k views

Suspend and wake PC at certain time

I want my PC to sleep at 04:58 and wake at 05:15, every day. How do I do that?