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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2
votes
2answers
634 views

Toshiba Satellite L645D screen brightness does not work on Ubuntu 12.04

I've installed Ubuntu 12.04 on my Toshiba Satellite L645D and the screen brightness does not work. Any suggestions?
1
vote
1answer
354 views

Ubuntu 15.04 does not shutdown properly

I recently installed Ubuntu 15.04 it works nicely but id does not shut down. If I manage to press delete key (it freezes quick) while it shut down it says this: starting version 219 error:/dev/sdf: ...
1
vote
0answers
54 views

Laptop battery keeps discharging even after full charge (not switching to AC)

The laptop does not switch to AC mode after fully charging. I dualboot and this problem is nonexistent on Windows 10. But on Ubuntu 15.10 it just keeps discharging. I tried fully charging(which never ...
0
votes
0answers
30 views

ACPI probe fail - cannot install - tried suggested solutions

I am trying to install Ubuntu 14.04.3 on a Dell 5810 workstation with NVIDIA K620 graphics card. I receive an ACPI Probe Failed error after attempting install, after which I have to cold boot. I have ...
0
votes
1answer
108 views

ACPI PCC probe failed during installation of ubuntu 14.04 Lts [duplicate]

I'm try to install ubuntu 14.04 Lts distribution in a machine Dell precision T1700 with Windows 8.1..The LiveCD shows correctly the options of grub menu but, when I selected any option for ...
0
votes
0answers
30 views

Acpi pcc probe failed.

my laptop doesn't boot.Though I ve read some other questions concerning this error, I couldn't figure out a solution. Is there a way to fix it;
0
votes
0answers
249 views

“Acpi=off” works, but “acpi=ht” does not, what does that mean?

I had problems installing and running any Ubuntu distro. If the setup would not freeze, the system itself would freeze later on. Finally I set "acpi=off" which let me install and run Ubuntu 15.04 ...
48
votes
4answers
161k views

Boot Error - ACPI PCC Probe Failed

ACPI PCC Probe Failed is the error that pops up instead of the default GRUB loader after I updated my kernel to 3.19. I searched around and couldn't find much information except that it is a known ...
0
votes
0answers
106 views

Ubuntu live USB boot freezes with “ACPI PCC probe failed”

I'm trying to install Ubuntu on a Toshiba laptop (not sure exact model, but it's about 4 years old, and was pretty cheap at the time). It came with windows 8, now has windows 10, and it's super slow, ...
0
votes
0answers
20 views

ACPI PPC Probe failed [duplicate]

I found that this could be caused by some Nvidia driver but I dont use Nvidia, Ive got AMD and I cant even istall ununtu, I wanted to do clean install but it keeps showing this error and I dont know ...
1
vote
1answer
453 views

ACPI : EC: Fail in evaluating the _REG object of EC device. Broken bios is suspected

I can't install linux with kernel over than 4.x on my computer. (MSI GP72-6QE-087XFR Leopard Pro) Tried : Ubuntu 15.10, debian 8 and linux mint 17.3. This is saying: "ACPI : EC: Fail in evaluating ...
0
votes
0answers
37 views

7.735648 Acpi pcc probe failed NEW USER Ubuntu 14.04

I am trying to boot Ubuntu into my old laptop running windows xp with a USB and when I try to test or install or check defects and stuff it Taiwanese to a gray screen saying [7.735648] Acpi pcc probe ...
0
votes
0answers
17 views

Old Laptop Revival - ACPI PCC Failure

So I have an old HP laptop that won't boot due to a bat system32 file. I want to put Ubuntu or some linux distro on it but I keep getting an error that says ACPI PCC probe failed. After that the ...
1
vote
0answers
35 views

Grub works but ubuntu wont start. [0.820741] ACPI PCC probe failed

So Im first time user, dual booting w/W7. installation went good with updates and everything then it needed to restart to finish installation. when it did no grub, no logo appeared jut the purple ...
0
votes
1answer
104 views

Issues running ubuntu 15.10 on Acer r3 131t acpi need to be of

I am trying to install ubuntu 15.10 on my acer R3 131T. I have run in to several problems, most of which where easy to fix. However there is this one problem i can't seem to get by. I can not boot the ...
0
votes
2answers
150 views

Ubuntu Installation Issues - ACPI PCC Probe Failed

Currently I wish to set up a dual boot configuration with Windows 10 as main and Ubuntu as my secondary OS. However, every time I try booting from the bootable Ubuntu USB (Corsair Voyager 32GB) I get ...
0
votes
0answers
16 views

Error 4 in libframe

I have a Dell Latitude. Every once in a while when after closing the laptop's lid and reopening it, Ubuntu (or, probably, something in Ubuntu) crashes, and I see a login screen after which everything ...
3
votes
1answer
58 views

Turn off screen by pressing the power button

Is there any way to configure the power button so it turns the screen off? I now use a script running xset dpms force off to turn off the screen. Is it possible to edit /etc/acpi/powerbtn.sh ...
0
votes
0answers
15 views

how to solve 4.107979 ACPI PCC PROBE failure? [duplicate]

I had installed Ubuntu 14.04 on my PC, but due to some error it was not a clean installation. When Ubuntu booted for the first time the screen was zoomed and every icon was also zoomed. From the ...
6
votes
1answer
2k views

How do I enable power management on Ubuntu Server?

I have Ubuntu Server 11.04 installed on an old noisy laptop. Its only purpose is to run subversion and I commit code quite rarely, but the laptop should work all the time. So I would like to know how ...
0
votes
1answer
241 views

ACPI PCC probe failed / Busybox

Until a few days ago I used the Elementary OS perfectly. But then began to show an error message when the system starts: ACPI PCC probe failed This did not affect anything. Only appeared at the ...
1
vote
0answers
32 views

How right is to set grub booter file to control fan acpi by linux

What is the right stroke to set in grub booter file to control fan by linux for notebook Acer TravelMate 4652LMi osi_acpi=Linux or acpi_osi=Linux or some other parameter
3
votes
1answer
41 views

Several ACPI event keys have the same ID

Ubuntu 14.04 LTS Kernel: 3.19.0-37-generic INTRO When I start acpi_listen on my system I can test several LaptopSpecialKeys. The brightness buttons work perfectly fine for example: ...
0
votes
1answer
29 views

Every time I power on my toshipa satilite a105-s2236 laptop (ubuntu 14.04.3) it says “ACPI PCC probe failed” what should I do?

I do not understand computer language. Every time I power on my system it says "[ 1.493615] ACPI PCC probe failed." Sometimes the type gets smaller and a second line appears and then it goes to ...
1
vote
0answers
25 views

Data recovery from damaged partition

I am running Ubuntu 14.04 LTS and Kali on my machine. I wanted to install Windows 7 too alongside, for which I tried to shrink my Ubuntu partition. After a while, the screen showed: [ OK ]Starting ...
1
vote
0answers
242 views

ACPI PCC probe failed while trying to install ubuntu 14.04.3 [duplicate]

I have been trying to install Ubuntu 14.04.3 for a while now and I always get the same error when I select the install Ubuntu option, which is the next one: It has to be related with the graphics ...
0
votes
1answer
45 views

error ACPI PCC . Ubuntu installation

After install "ubuntu-14.04.3-desktop-amd64" alongside windows7 and restart laptop , I see this message . What Should I Do ? "Dell Inspiron 5110"enter image description here
0
votes
1answer
379 views

ACPI PCC probe failed while installing! [duplicate]

So, I've been trying to install ubuntu 14.04.03 LTS the past few days but I always face this error, when I hit install the screen turns extremly white(x32) or extremly black(x64) then I get the ACPI ...
0
votes
0answers
23 views

Clock moves too fast, then too slow / keystrokes repeat rapidly / and gui animations are too fast — only when acpi is off

When I run Ubuntu with acpi off (which I need to do so my laptop won't freeze with a kernel panic) I have multiple speed issues: First, the clock movies too fast; it works normally for a few moments, ...
2
votes
1answer
89 views

Ubuntu detects ACPI batteries on my desktop computer - thinks it is a laptop

I installed Ubuntu 14.04 on my desktop computer with ASUS m5a97 Evo MoBo. There is this battery indicator on my desktop. I already ran: sudo laptop-detect -v and it returned -> We're a laptop (ACPI ...
0
votes
0answers
261 views

How I can fix an ACPI PCC probe failed error?

Yesterday, I was installing Openfoam software and when I rebooted my Ubuntu, I saw this error: [ 1.106044] ACPI PCC probe failed Now, Ubuntu won't startup. How I can fix it?
0
votes
0answers
53 views

Keyboard does not work on Ubuntu 14.04 Eee PC

I have just installed fresh copy of 32-bit Ubuntu 14.04 on my friend's laptop Eee PC. During the installation the keyboard was working fine, however, it does not work after installation - I can't even ...
0
votes
0answers
66 views

Run *ONLY* `/etc/acpi/powerbtn.sh` when power-button pressed, and not *ANYTHING* additional

I want to run a custom script when the power-button is pressed. For a simple test, I put only a single line in /etc/acpi/powerbtn.sh. That line creates a file it_ran.txt in my home folder. There is ...
0
votes
0answers
78 views

APCI Probe Failed after an unexpected shutdown while upgrading from Ubuntu 15.04 to 15.10?

An unexpected power off occurred during update from Ubuntu 15.04 to 15.10 When I restarted the computer won't boot in GUI mode, but directly into tty1 I'm able to use the command line from there, but ...
0
votes
0answers
65 views

[1]Acpi PCC PRobe Failed [duplicate]

I have recently installed Ubuntu 15.10. On reboot it sometimes halt at screen and does not proceed. after rebooting it it gives [1] acpi pcc probe failed. I have review others questions but was unable ...
5
votes
5answers
7k views

Can't adjust brightness on my MSI VR420 laptop

Using every method possible I'm unable to change my laptop brightness.. It's stuck on super max brightness.. Using the slider in the "screens" window int he control panel doesnt do anything, and using ...
0
votes
0answers
54 views

Trying to enable wake on mouse/keyboard

I'm running Kubuntu 14.04 on a older Toshiba Satellite and as of right now, the only way to wake the computer up from sleep is pressing the power button. I am trying to get it so that the mouse or ...
0
votes
0answers
12 views

Ubuntu going to standby instead of sleeping

My P650se is going to standby instead of suspend to ram. It turns the fans off but still uses power and heats. How can I change this? It does not happen on windows.
0
votes
0answers
282 views

UBUNTU 14.04.03 LTS - ACPI PCC probe failed

Good morning, I have just boot a computer with a Nvidia GeForce GTX 960. As soon as I boot from the pen drive this error message appears in my screen and it won't go further, even when I hear the ...
0
votes
1answer
216 views

My cpu slows down after a while and does not recover

Sometimes, and I can't reproduce it (but it happens often enough - a few times a week at least) my cpu slows down below its prescribed minimum. This is an example cpufreq-info output from a minute ...
0
votes
0answers
78 views

ACPI PCC Probe failed and Mount failed for selinux on /sys/fs/selinux

I had to force shutdown ubuntu 14.04.03 amd64. After reboot I am facing [0.194163] ACPI PCC Probe failed error. I followed one of the solution given in forum to purge problematic grub . I purged ...
11
votes
4answers
10k views

Fan is always on, CPU usage is rather low and can't find the fan or thermal_zone proc files

I have an Asus N76VB notebook with Ubuntu 14.04 and TLP for power managment. However, the fan is always on. It's not really loud, but it's annoying. My CPU usage is around 1-2%. It's clocked at 1.20 ...
0
votes
1answer
164 views

Nothing happens when I close my laptop lid or press the power button (Kubuntu 14.04.3, Thinkpad X250)

I'm on Kubuntu 14.04.3 on a ThinkPad X250. I tried to configure what happens when I close my laptop lid or when I press my power button in the "Configure Energy Saving" dialog in the "System ...
0
votes
0answers
34 views

Ubuntu 15.04 PC cannot suspend

When I try to suspend, the screen goes blank, everything is stopped for a moment and then back again to login. Output of acpitool -w: Device S-state Status Sysfs node ...
0
votes
0answers
58 views

Installing Lubuntu 15.04 and stops with error shown in photo

I downloaded Lubuntu 15.04 and am installing it on a Toshiba laptop with Core 2 Duo and 2Gb ram. I tried "Try Lubuntu" and "Install Lubuntu" and both give the same error. It shows (see pic also): [ ...
0
votes
0answers
9 views

Brightness issues after upgrading to 15.04

I have just upgraded to 15.04, after the upgrade screen brightness sets automatically to its maximum after every startup or restart. I had faced this problem before when I installed 14.04 on machine, ...
0
votes
0answers
54 views

Unable to Install Ubuntu 14 next to Windows 7 (different HD)

I'm trying to install Ubuntu 14.04 on my Desktop PC and I am new to Linux. I made a bootable USB-Stick with Rufus (MBR for UEFI) and booted from it. I came into the mask which gave me the options ...
1
vote
0answers
62 views

Nothing happens when I close the lid or press power button

I just installed on Ubuntu 14.04.3 on my laptop (Lenovo Thinkpad X230). Everything works fine except: closing the lid pressing power button while the computer is on does nothing, even though I ...
0
votes
0answers
183 views

Ubuntu 14.04 - problems in boot

Sometimes I boot but the login screen doesn't show, so I have to turn my computer off by the power button. And then, when I turn it on again the message "ACPI PCC PROBE FAILED" appears and finally I ...
1
vote
0answers
2k views

ACPI PCC probe failed on Ubuntu installation from usb

I'm trying to install Ubuntu 15.04 on a HP Vivienne Tam netbook (throwing away Windows). With Universal USB Installer I prepared the flash drive in order to proceed with the installation. When the ...