Questions that relate to the Advanced Configuration and Power Interface (ACPI) specification which provides an open standard for device configuration and power management by the operating system.

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1
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1answer
856 views

How to disable powerbutton in 13.10 minimal?

I have my IR receiver connected to the physical power button for turning on and there's a separate remote button for turning off. How to disable the power on button from shutting down the computer? ...
1
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2answers
2k views

Note book is getting very hot when using Ubuntu 12.04

I have bought a Toshiba satellite Pro L850 note book. It already has preinstalled windows 7 professional. I have installed Ubuntu 12.04 and now my note book have two Operating systems. The problem is, ...
1
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1answer
2k views

/etc/acpi/powerbtn.sh for full shutdown menu?

I'm having the same problem as 13.10: Power button shuts down directly and Ubuntu 13.10 with Cinnamon Desktop Environment This answer seems to be the way to go, but I don't know what the command is. ...
6
votes
1answer
594 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 ...
1
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1answer
715 views

Upon installing Ubuntu 13.04, “acpid : exiting”

I tried to install Ubuntu 13.04 from DVD. I choose to install it alongside Window 7. The DVD was it self ejected and i got a black screen and acpid : exiting was written on upper right corner. How ...
3
votes
2answers
2k views

Change power button to 'Ask' in Xubuntu 13.10

I have recently installed Xubuntu 13.10 on my Vaio vpcea making me a Linux beginner. The problem is that laptop's power button is right on the edge of the bezel making it far too easy to press ...
0
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3answers
7k views

How do I use acpi_call?

How am I supposed to run/install acpi_call? I've found a similar solution on the linux hybrid graphics blog, but still couldn't manage to run it.
10
votes
1answer
14k views

Not been able to Shut Down 13.04

After installing Ubuntu 13.04 (not upgrading to it, I did a "clean install" removing the older one), I'm not been able to shutdown the system. After clicking the Shut Down button the desktop ...
1
vote
1answer
3k views

My power button doesn't work under LXDE. How can I fix this?

Ever since I switched to LXDE my power button won't work anymore. I would love to be able to display a fancy logout menu like the one in Unity and similar DEs. How can I achieve this?
1
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0answers
270 views

acpi=off needed when BIOS graphics mode is switchable

I just flashed my laptops bios to newest version and now I have the option to define how i'd like to set my graphic mode. I have the option to check "integrated" and "switchable". The difference seems ...
1
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0answers
231 views

Why time taken to charge the laptop battery increases rapidly when it almost full?

When my laptop is charging at first it charges normally. But when its charged about 98% time remaining begins to increase why is this?
2
votes
1answer
3k views

Lubuntu Precise - Power button doesn't shutdown immediately anymore

After some upgrade, my headless lubuntu 12.04 stopped shutting down on power button press. I tried to edit ~/.config/openbox/lubuntu-rc.xml without success. Nowhere docs on possible alternative to ...
2
votes
0answers
278 views

ACPI on Asus NV56V Ubuntu 13.04

i'm rather new to ubuntu and just made a fresh install of ubuntu 13.04 alongside windows 8 on my new asus N56V, however i couldn't make it shut down, reboot or logout properly which i taught was odd, ...
0
votes
1answer
945 views

Adjust screen brightness doesn't work Xubuntu 13.04 xfce4 keyboard shortcut fn+f2/f3 Toshiba L840 laptop

Can't adjust the screen brightness using keyboard shortcut (fn+f2/f3). Running Xubuntu 13.04 w/ xfce4-power-manager on a Toshiba L840 laptop. Tried editing the grub file w/ ...
8
votes
3answers
1k views

Prevent PC from shutting down on Power button

I am building a PC and a BeagleBords ARM embedded for public use. They run Ubuntu 13.04 and manually assembled Linux respectively. Is there a way to prevent them from being shut down on pressing ...
2
votes
0answers
410 views

Is Mactel PPA good stuff for Macbook Pro 5,3 with Ubuntu 13.04?

The Mactel repository proposes some extra packages in order to run Ubuntu on Macbook computers. Mine is a Macbook Pro 5,3 (2009) running Ubuntu 13.04. The wiki page about the Mactel support seems to ...
1
vote
1answer
852 views

ACPI and Macbook Pro 5,3 Ubuntu 13.04

Found out that I can't use ACPI on my Macbook Pro 5,3 (2009) with Ubuntu 13.04. I tested it with the 3.6.x and 3.8.x kernels, and with nVidia drivers 310 ("tested" driver in "Additional driver") and ...
3
votes
1answer
135 views

Why does Ubuntu think that my iMac is a laptop?

I recently installed Ubuntu 13.04 on my late-2010 iMac. I am dual-booting OS X 10.8.3 and Ubuntu. For some reason, Ubuntu thinks that my system is a laptop. Under the "Displays" settings, it only says ...
0
votes
2answers
1k views

ACPI startup error on ubuntu 11.10 but worked on 11.04

i have looked around quite a bit for an issue like this, but cant find anything. I had Ubuntu 11.04 running on my desktop with no issues. I then formated the drive to install 11.10. I managed to get ...
4
votes
2answers
4k views

Can I use the power button to shut down my computer gracefully on Ubuntu Minimal?

I am looking for a way to get my computer to automatically shutdown when I press the power button. I have installed Ubuntu 12.10 minimal. A similar question is asked here. However, with Ubuntu ...
0
votes
1answer
635 views

How to configure acpi for battery?

I am using: acpitool -B to print out information about my battery. It returns: Battery status : <not available> When I do ls in /proc/acpi/battery, there are no files. A few other ...
8
votes
3answers
7k views

where did /proc/acpi/battery/BAT0/XXX go in 12.10?

I use some custom scripts that use and monitor the battery information that was in: /proc/acpi/battery/BAT0/(state|info) However, since upgrading to 12.10 I no longer have those files and I've been ...
2
votes
0answers
796 views

Dell Inspiron n5110 syslog ACPI warnings on Ubuntu 13.04

I just installed Ubuntu 13.04 and got a bunch of warnings in syslog: May 9 02:21:34 Dell kernel: [ 9.689651] ACPI Warning: 0x0000000000000428-0x000000000000042f SystemIO conflicts with Region ...
0
votes
1answer
761 views

Problems on boot

Good morning! I have a little problem with my Ubuntu 13.04. Actually, I have this problem with any other linux distributive (Fedora, Fuduntu, Mandriva, Ubuntu 11.04 => 13.04, Linux Mint 14 and oth.). ...
0
votes
2answers
419 views

On boot, Ubuntu 13.04 reaches 89º C and shutdown

After install Ubuntu 13.04 my notebook, an inspiron 15R n5010, reaches 89ºC and shutdown. I tried to boot on recovery mode and before shutdown seems to say that "ACPI" gave the order. Somebody knows ...
5
votes
3answers
2k views

Automatically start at specific time like BIOS?

Some BIOSes have an option to start the computer from a fully off state (not suspended) at a specific 'alarm' time. Is there any command or way to set this in Ubuntu without restarting and going to ...
3
votes
3answers
2k views
3
votes
1answer
672 views

Hibernate on Dell Inspiron 1525

I'm ahving a Dell Inspiron 1525. I installed there a stock Ubuntu 10. However I can see no "hibernate" item in the shutdown menu. Is ACPI supported on 1525? If it is, how can I make hibernate work ...
0
votes
2answers
3k views

My laptop only boots with the acpi=off parameter. How can I fix this?

I managed to install Ubuntu 12.10 with the option acpi=off, as it didn't work without. Now it boots only with this option. Is it possible to solve the problem for the need of this option? With this ...
2
votes
0answers
144 views

How to manually power-on the webcam?

I have a Clevo laptop with a built in webcam, on the keyboard there's a helpful Fn+F10 hotkey that seems to power the device on and off. I'd like to have some control over the webcam without needing ...
1
vote
1answer
662 views

Terminal check remaining battery health [duplicate]

I've tried the following command cat /proc/acpi/battery/BAT0/info And there it is No such file or directory acpi outputing this: Battery 0: Unknown, 100% Is there another way to check the ...
2
votes
1answer
765 views

Brightness does not change on Asus K55n laptop

I have tried setting different acpi_os, acpi_backlight=vendor, changed the kernel to 3.7.4, and yet nothing happens when I use the FN + F5/F6 keys to change the brightness. KDE recognizes it and will ...
1
vote
1answer
2k views

Where is the ACPI log?

Sometimes my computer shuts down unexpectedly, usually when some process is taxing the CPU. This answer mentions that "when a system shuts down in a normal way, it is either a user with root ...
2
votes
1answer
905 views

I need help with the battery Icon [closed]

I have a Toshiba Satellite L645D running Ubuntu 12.10 and it seems like Ubuntu like some other distros (Nadia, Debian) won't recognize my battery and I don't know the reason for that, it won't show ...
1
vote
1answer
442 views

How do I control the fan when running kernel 3.7?

A while ago I started to use thinkfan to control the fan speed of my lenovo thinkpad. This became necessary as it stoped working after a kernel update (I think it came with the installation of a v3.7 ...
2
votes
1answer
496 views

Ubuntu 12.04 LTS only works when when I replace splash with acpi=off

I'm very new to Ubuntu and this site as well. I've grown up on Windows and felt like trying something new. So here is my problem: I have a DELL Inspiron m5030 that got a virus so i reformatted and ...
3
votes
4answers
2k views

Dell precision M4600 stuck at last stage of reboot

When rebooting the sequence freezes at the very last stage in which it attempts to the the system to reset through ACPI. Setting acpi=off in grub.cfg fixed this problem, but I was unable to suspend, ...
4
votes
3answers
588 views

ACPI 30k+ interrupts per second

My computer is currently doing something like 30k+ interrupts per second. This causes battery issues as well as the CPU being always stuck at the highest speed, making it very hot (overheating.. 75C ...
3
votes
1answer
2k views

Thinkfan on Thinkpad T410 - thinkpad_acpi doesn't seem to support fan_control

I try to run thinkfan. I installed it and configured it. But if i do this i get an error. chris@chris-ThinkPad-T410:~$ sudo thinkfan -n WARNING: Using default temperature inputs in ...
7
votes
3answers
3k views

ACPI issue, help to fix broken DSDT on an HP Pavilion DV6-6008el

I'm having a hard time fixing the ACPI subsystem of an HP laptop (Pavilion DV6-6008el, Ubuntu Natty 64-bit). I can boot only if acpi=off is specified as kernel parameter in grub, otherwise blank ...
0
votes
1answer
457 views

My mouse / keyboard response gets delayed if I don't use it all the time.

Occasionally my mouse / keyboard would take extra long to respond to input. If I moved the mouse or pressed a key it would take an extra second to respond the work normally. If I leave it alone for ...
1
vote
1answer
608 views

acpi_listen only detects every other backlight hotkey press

I am trying to get the LCD backlight brightness control to work properly on my new ASUS G75VW-DH72 laptop in Ubuntu 12.10. I got it to mostly work by following the instructions that I wrote here ...
11
votes
3answers
7k views

How do I configure WakeOnUSB properly?

How do I configure Wake-On-USB properly on a 10.04 or 10.10 Ubuntu (2.6.36 and higher if needed)? (Wake-on-USB is when the computer is asleep and for example a USB Keyboard event wakes up the ...
0
votes
0answers
2k views

CPU Frequency Scaling methods *not* working Lubuntu 12.04

I've been trying to get CPU frequency scaling enabled on an old laptop (Celeron 530) running Lubuntu 12.04. I know this works in BIOS because it worked under Vista, and I can just get it working for ...
2
votes
1answer
517 views

Where to download a fixed DSDT?

I have an older PC I'm trying to throw Ubuntu on. It's running an Abit NF M2 Nview and the DSDT is buggy even on the latest bios. Everywhere I look at says to download fixed DSDT's from this site: ...
4
votes
2answers
6k views

Boot with “noacpi” automatically from hard drive?

If I boot ubuntu from the live cd without any special options I get the following message: [ 0.040001] Kernel panic - not syncing: IO-APIC + timer doesn't work! Boot with apic=debug and send a ...
0
votes
1answer
1k views

HP Spectre XT screen dim (completely dark) on boot. Can this be fixed? [duplicate]

When my computer boots up, the LCD backlight is completely blank. I have to increase the brightness using the keys on my keyboard, and only then am I able to see the login screen. I'm not sure how ...
5
votes
1answer
3k views

Brightness control increments brightness by 4 instead of 1

The value of /sys/class/backlight/acpi_video0/brightness increments by four when the brightness controls are used, but I am able to force the value to anything in [0-10]. I have a HP Envy 17-3200. ...
1
vote
1answer
4k views

ACPI _OSC control

I've noticed an error from dmesg output that ubuntu canot enable ASPM: [ 0.192722] pci0000:00: ACPI _OSC support notification failed, disabling PCIe ASPM [ 0.192728] pci0000:00: Unable to ...
0
votes
2answers
2k views

How do I shutdown 12.10 when ACPI is set to OFF?

I recently installed 12.04 on an HP Spectre XT ultrabook. I installed 12.04 from a USB. When the install was complete, and the computer restarted, I got a blank screen. After some searching, I found ...