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Questions tagged [acpi]

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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My laptop freezes whenever I plug/unplug AC adapter?

Hi I am using dell inspirion 7559 laptop. I am currently using ubuntu 16.04 alongside windows using grub in my laptop. problem : My laptop screen freezes in ubuntu whenver 1) I plug in or ...
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1answer
77 views

My Linux install bricked itself (ACPI, Couldn't get size: 0x800000000000000e and PKCS#7)

I woke up today, pressed power button and got this screen. I did some research and uninstalled nvidia drivers, which caused pkcs errors to go away. More research, and enabling secure boot caused uefi ...
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37 views

Unable to dual boot my Windows 10 laptop

I am trying to dual boot my Asus laptop (specs - Core i5 8th gen, GTX 1060 graphics, 128GB SSD and 1TB HDD). First the mouse and keyboard stopped responding after the language selection, however on ...
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27 views

Battery not getting charged after switching to Ubuntu 18.04 from Windows 7

Previously I was using Windows 7 on this device and it was pretty normal. It's a VPCCB35FN model from Sony Vaio (64-bit). Now I've switched to Ubuntu 18.04 and I've noticed that my battery is not ...
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2answers
100 views

Unable to Boot after installation , ACPI errors

I recently tried setting up a dual boot of Ubuntu 18.04 LTS with windows 10 already installed on my Asus VivoBook Pro N580GD. I have tried reinstalling multiple times but every time I get a bunch of ...
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193 views

Will not boot, ACPI Error: Needed type [Reference], found [Integer]

I recently booted up my windows 10 partition after months of only using Ubuntu. I had no issues before that, but now every time I attempt to boot Ubuntu I get thrown into emergency mode and get the ...
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43 views

problems with fresh installed kubuntu 18.04

I have a new system with dual boot, windows and latest kubuntu. I do have 2 problems left, that I can't resolve by myself. 1) It does only boot sometimes. sounds strange, but its real. When I choose ...
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138 views

Ubuntu 18.04 not booting with ACPI and MODSIGN errors

My Ubuntu 18.04 suddenly hanged, so I did a hard reset. After that, the system stopped booting, with a list of ACPI errors. I used acpi=off and nomodeset to get past those errors, but then ran into ...
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0answers
90 views

Change function for “Power Button”

I want to change functionality for Power Button in Ubuntu 18.04. I need following: when someone press Power Button, logged in user should be logged out, and specific user automatically logged in (...
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62 views

Ubuntu 16.04, acpi=off required to boot, but shut down freezes

I installed Ubuntu 16.04.5 alongside windows 10. It requires acpi=off to boot but it hangs on shutdown in Ubuntu splash screen. I am using Kernel 14.15,My specs are MSI, Intel i7-2.6, 16GB RAM.
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1answer
166 views

Ubuntu 18.04 sees only one cpu on X10SDV

I have Ubuntu 18.04 # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.1 LTS Release: 18.04 Codename: bionic # uname -a Linux kb 4.15.0-34-...
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48 views

Ubuntu not detecting battery on HP x2 210 G2

I've installed Ubuntu on this laptop (three flavours) after wiping the system of the original copy of Windows that it came with, and while it was mostly functional, one major aspect that concerned me ...
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1answer
187 views

ubuntu will not boot unless acpi=off

i have a new laptop and it had preinstalled windows in it, i wanted to make a dual boot with ubuntu (and i have used kubuntu). I installed through a live usb but in order to boot the live usb upon ...
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0answers
28 views

Not able to load up Ubuntu after installation [duplicate]

I have Windows 10 pre-installed on my Dell Inspiron 5577. I decided to dual-boot it with Ubuntu 18.04 today. I partitioned my secondary drive for it allocating around 170gb of space for Ubuntu, made ...
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23 views

Unable to boot ACPI Error [duplicate]

I Don't usually have problems but just updated Ubuntu 18.idk what (latest version). Then ran into a little problem and can't even boot now. ACPI Error: [/_SB_.PC...] Namespace lookup failure, PKCS#7 ...
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1answer
463 views

ACPI errors prevent boot after upgrade to kubuntu 18.04

I get a few ACPI errors each time I boot. They increase until booting does not complete. I tried upgrading from 16.04 and a fresh install of 18.04 It works with acpi=off in grub, but then I dont get ...
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173 views

Taking a long time to boot ubuntu 18.04LTS

My laptop (i7 7500U@2.70GHz 16RAM) is taking a long time to boot using Ubuntu 18.04 LTS abhi@abhi-HP-ProBook-450-G4:/etc/initramfs-tools/conf.d$ journalctl(only i have shown errors) Sep 07 22:16:50 ...
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91 views

Dual-boot installation of Ubuntu 18.04 with Windows 10 on Elitebook 1050 G1 fails, likely due to ACPI error

Can anyone please help me with this problem? With a new HP Elitebook 1050 G1 on which I want to dual-boot Ubuntu alongside Windows 10, I have trouble with the 18.04 installer, which just stops ...
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0answers
51 views

Unable to install Ubuntu 16.04 - ACPI Exception

I can hear the Ubuntu's startup sound(the dribble sound in the background) but the screen is filled with ACPI errors. My current boot settings are: EFI: Linpus lite(hp v220w) Legacy: USB HDD : ...
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0answers
1k views

ACPI problem - installing Ubuntu 18.04

I have a old Acer Aspire L5100: https://uk.hardware.info/product/4190/acer-aspire-l5100-tv/specifications Got it from my parents company, it had Win Vista on it. But had forgotten the password. But ...
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1answer
2k views

“Couldn't get UEFI db list ” bug after the second opening Ubuntu

I am trying to migrate Wİndows to Ubuntu.I have prepared bootable USB with rufus. I restarted my laptop and went to the setup page, setting my USB drive as main boot option and disabling all other ...
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34 views

Cannot boot into Ubuntu after installing another one alongside

I had a quite unstable Ubuntu 17.10 with different kind of problems, so I installed a new Ubuntu 18.04 alongside, but I can't boot into my old Ubuntu 17.10 anymore. Here are the photos of the booting ...
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1answer
158 views

Ubuntu fails to start with ACPI errors [duplicate]

I have a problem starting Ubuntu, which I don't how to solve. It's difficult for me to describe my problem exactly, because I'm new in the Linux world, so I posted a picture of the problem:
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1answer
949 views

18.04 on MSI GE63 - boot hangs at 'Loading initial ramdisk' without `acpi=off`

I've been trying to get Ubuntu 18.04 LTS running on my new MSI GE63 Raider. I can get into the live USB by passing acpi=off and then running the installer. After that, I install the proprietary nvidia ...
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0answers
92 views

Instant wake from suspend even with all proc/acpi/wakeup disabled

I am trying to debug what I suspect to be a hardware issue. In short my ThinkPad T450 instantly reboots on shutdown and wakes up on suspend. I'm running Ubuntu 16.04, I have disabled everything in ...
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700 views

Ubuntu 18.04, Unable to boot from key after interrupted launch (ACPI Exception : AE_NOT_FOUND, Evaluating _PRS)

I have a new Dell computer (XPS 15) with Windows 10 installed. I was trying to make a dual boot with Ubuntu 18.04 instead (using a Rufus-created live USB). The grub appeared and I was able to select "...
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0answers
431 views

ACPI Error: [CP1] Namespace lookup failure AE_NOT_FOUND

I know there are already a lot of questions regarding this problem. Most of them say: use acpi=off option and you should be able to reboot. However, this is not the case for me. I have been using my ...
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1answer
257 views

Suspend instantly restarting - editing acpi/wakeup with systemd service

My 18.04 Ubuntu Ryzen desktop will wake itself up instantly after it suspends. I've tracked the problem down to /proc/acpi/wakeup In the list of enabled services there are two services (labeled for ...
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0answers
299 views

Is there any way to fix ACPI error without kernel patch?

I have a new notebook which cant load Ubuntu 18.04 kernel without pci=noacpi. Using noacpi it starts normally but produces heat. Is there any workaround for this without kernel modify? The error ...
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1answer
618 views

How to switch between options in `/sys/class/backlight` to solve brightness problem?

OS : Ubuntu - 18.04 LTS I have 2 symbolic links in /sys/class/backlight/ directory. acpi_video0 -> ../../devices/pci0000:00/0000:00:01.0/0000:01:00.0/backlight/acpi_video0/ nv_backlight -> ../...
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0answers
239 views

Nvidia drivers installation make me unable to hibernate on ubuntu 18.04 LTS

I have an issue that Ive been researching since 2 months and didn't find anyone yet with that same thing. Hibernation is "important" to me because i like to let linux on a snapshooted way so that I ...
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1answer
701 views

ACPI Error: Needed type [Reference]… I can't boot Ubuntu

I boot Ubuntu. I was browsing on Firefox in Ubuntu and all of a sudden I got some error message, so I tried to reboot. Now when I try to reboot I get this message: ACPI Error: Needed type [Reference],...
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17 views

Kubuntu having problems with motherboard ports of an old laptop

Yesterday I installed Kubuntu 18.04 on an old laptop (Toshiba Satellite L855D-S5220), and I'm having problems with the different motherboard ports. One problem is with the USB ports: they are ...
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474 views

Cannot get fan speed

I have HP Spectre 13 x360 Laptop I cannot see or control my fan speed (lm-sensors is installed) As I can in Windows using a program called SpeedFan. Here is the it's execution log: Win9x:NO ...
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0answers
252 views

Only blinking courser in a blank page after installing Ubuntu 18.04

I am trying to install Ubuntu 18.04. After many trying to install and getting grub2 error just last of the installation , I found that I must create a efi partition beside my other partitions and the ...
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2answers
598 views

How to install ubuntu on MSI GE63 without 'acpi=off'

I tried to install Ubuntu on MSI GE63 Raider 8RF 004cn. But I have to add line 'acpi=off' while installation, the fan spins very fast after I enter Ubuntu. I have searched a lot on the internet but no ...
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0answers
39 views

Lenovo Thinkpad Yoga 14 won't resume from sleep [duplicate]

After waking up from sleep mode Ubuntu 18.04 throws ACPI Error messages. It has to be force shutdown before powering up again. Attached is a photo of the error messages.
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0answers
340 views

Acpi error, and kernel panic (in lubuntu)

I'm trying to install lubuntu 18.04 lts on an old Compaq presario c700. However, when I tried to boot from a (rufus-generated) USB live stick, I got an "acpi error". The system still booted up, but it ...
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2answers
297 views

HP 255 G6 freezing at random times with Ubuntu

The problem is that after installing Linux distribution, Laptop freezes at random times, and it is not related to opening a specific program, I can do nothing to it except for a force-shutdown by ...
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1answer
1k views

How to make Ubuntu 18.04 LTS ask for action when I press ACPI Power button/key on VirtualBox (now immediately shutdowns)?

I rewrite this question to be clear. I have problems only on VirtualBox. 1. Physical hardware If press Power Button on physical hardware: on console ttys system shutdowns on the GDM system goes to ...
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2answers
573 views

Unable to reinstall Ubuntu Server 18.04

I am unable to reinstall Ubuntu Server 18.04. The hardware is an Intel i3 8100 processor and a b360 motherboard. I had Ubuntu Server running until I changed the fstab file, that’s when I started ...
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1answer
257 views

Install will not start without nolapic

First, introduction. I am using a Dell Inspiron, 4x Intel Core i3 CPU M380@2.53 GHz, 64bit. Currently running Kubuntu 16.04 with kernel 4.4.0-116-generic. While booting the Ubuntu-Mate 18.04 live ...
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263 views

Ubuntu 17.10 installation issue : ACPI Error AE_ALREADY_EXISTS [duplicate]

Getting following error after upgrading to linux 17.10. I have tried disabling acpi (acpi=off) Removed tpm. Able to install ubuntu 15.10 but when I upgrade getting following error. Same with Linux ...
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0answers
1k views

ACPI Exception: AE_NOT_FOUND, Evaluating _PRS (20160831/pci_link-176)?

Using a .vmdk image of gitlab-ce downloaded from Bitnami application stack. Starting it up in my favorite VM manager Parallels Desktop I get this every time I start the VM. All seems well but ACPI ...
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0answers
489 views

ACPI Error: Field [TBF3] - Can't boot properly

PC (Ubuntu 16.04 LTS) suddenly shut down beacuse battery ended and now I can't boot properly. I can reach root terminal or I can boot with recovery mode. this is what I get after boot: ACPI Error: ...
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0answers
30 views

Use power button after lid is closed

Is there a way to still allow use of the power button after the laptop lid has been closed? I am using an old netbook as a server (OctoPrint for my 3D Printer) and keep it folded closed most of the ...
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1answer
72 views

Ubuntu 14.04 & 16.04 and Acer AO751h boot without Disabled acpi

I have an old netbook Acer AO751h with Lubuntu 14.04 and due to screen problems I can boot it only with kernel parameter acpi=off but this has the following issues: When I shut it down and shut down ...
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2answers
356 views

Cannot adjust Brightness 16.04

Complete newbie here. I have installed Ubuntu and love it, but the screen brighness is far too low. I cannot use the computer in the daytime. I have insalled Ubuntu single boot in an intel iMac with ...
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0answers
59 views

CPU load affecting power adapter on HP ProBook 4510a

The battery on my HP Probook 4510a is taking a long time to charge - currently 3% per day. it's got a proprietary battery and charger, and I'd like to know what terminal commands I can use to ...
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0answers
566 views

Linux reboots on shut down

I have a dual boot windows 10 and Ubuntu 16. Shutting down ubuntu reboots the device and I have to launch windows (which I have set default in the grub boot list) and shut down my device from windows ...