Questions tagged [acpi]

Advanced Configuration and Power Interface, a standard for power management in operating systems.

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ACPI : how risky is that to try methods

I don't know a lot about hardware. I've got a Yoga Slim 7 and the Performance settings can't be set for know from Linux. I've disassembled the DSDT tables to look at even if I don't understand ...
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Cannot install Windows 10 on a very old laptop: CRITICAL_PROCESS_DIED

I have a very old laptop (based on Intel Core 2 Duo T5450) which came with Windows Vista which works on it just fine. It has 3 GB of RAM, plenty of free space and otherwise 100% functional. I'm unable ...
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How can I get my CPU to run at maximum speed by circumventing CPU scaling?

I am running CentOS 7 (7.9.2009) (kernel 3.10.0-1160.49.1.el7.x86_64) on a rather old laptop (Lenove T61) with a dual core CPU (Intel(R) Core(TM)2 Duo CPU T7300 @ 2.00GHz). The driver for CPU scaling ...
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Dell XPS 15 9530 not resuming from sleep

When pressing the power button to resume my laptop from the S3 sleep state, nothing happens, and I have to hard reset it to see any sign of life. This problem occurs both on Linux (Arch, kernel 5.14....
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Laptop always turns itself on again

Since yesterday my Laptop won't turn off anymore. When I shut it down, it takes a few seconds and then it turns itself on again. Doesn't matter if I let it boot and shutdown again, or turn it of in ...
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Windows XP - How to fix non-ACPI compliant BIOS

I have an HP Media Center PC m7060n running Windows XP Media Center Edition 2005. The machine can boot up, edit things in the BIOS setup utility, and start loading. However, it never loads the ...
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How do I wire a momentary pull chain switch to a PC?

I'm wiring a momentary pull switch to the PC. I set the Windows 10 power button action to shutdown, so pulling the chain will turn on the pc if it's off, and if it's on, pulling the chain will send a ...
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Why wont Windows 10 Pro shut down with the ACPI power button when screen is locked locally?

We have Windows 10 running under KVM but it won't shut down when it gets an ACPI power button request triggered by virsh shutdown win10 after a user locks the console---however, it will under the ...
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PC wakes from hibernate by keyboard and mouse

My new PC wakes from hibernate by pressing any key on keyboard (PS/2) or mouse (USB); just like sleep mode (with the difference that power LED doesn't blink). If I uncheck "Allow this device to ...
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Running awesome-client (which uses dbus) from acpid

I set up a acpid rule to execute the following command, whenever I receive a specific acpi message: awesome-client "activate_tabletmode()" Where activate_tabletmode() is just some function ...
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On Windows, how shall I call arbitrary ACPI methods?

On Linux, the module acpi_call enables this, however I don't see such a thing on Windows. Is it possible through WMI ? Or do I really need to write some kernel mode code ? Note that I'm speaking of ...
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How is key press event processed in the system in depth (brightness keys not working on lenovo laptop)?

Context first: I am on Ideapad 330-17ICH and some Fn keys simply don't work - microphone toggle, touchpad toggle, airplane mode, camera toggle and brightness up/down (the ones I need the most). I am ...
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PC shuts down when I put it into suspend/sleep mode and then it keeps restarting

When I enable ACPI suspend S3 mode in BIOS my PC shuts down instead of suspending. When I turn it on it keeps restarting over and over again(I can't even get into BIOS), so I have to completely shut ...
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Has booting twice with GRUB `acpi=off` broken my monitor?

I'm running Ubuntu Fossa 20.04.1 with latest apt updates/upgrades. My monitor is a Asus VG248QE 1920x1080 144Hz running on DisplayPort. First time I booted it up I ran into a problem: After a few ...
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My laptop sleeps unexpectedly while working [duplicate]

My DELL Inspiron 15 3000 Series 3567 It sleeps while working on it due to palm rest pressure or some jerk. I have disabled sleep from settings that What closing the lid does but the problem is still ...
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How to configure my Fedora 32 to resume from hibernation/suspend with the power button?

I'm trying to enable PWRB on my /proc/acpi/wakeup but it is not even listed as an option: [root@vatican00 ~]# cat /proc/acpi/wakeup Device S-state Status Sysfs node GPP0 S4 *enabled ...
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ACPI.sys CPU usage: no solution on Windows, but it's solvable in Linux

I know, yet another post of ACPI.sys sitting atop a CPU core. It's seems a different issue from the other posts, though, please, read on. The other proposed solutions didn't work! It's a P65_67RSRP ...
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AMD Ryzen 5 3600 + Ubuntu 20.04 problems

I have Ryzen 5 3600, Gigabyte X570 GAMING X and Radeon RX 580 Series. I installed Ubuntu 20.04 and it is loaded with kernel parameter acpi=off but now system recognize only 1 core(lspcu, cut /proc/...
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Is there an equivalent of acpi=off of linux on Windows?

I noticed that an old laptop I have here has broken ACPI hardware and it always shuts down whenever any OS (including vista, 7, 10, linux) tries to bring up any display resolution above the boot ...
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How to prevent keyboard from turning off, when closing laptop lid in Linux

I have a Lenovo ThinkPad X201 Tablet with buttons on the screen bezel. These buttons are there to rotate or invert the display in Linux (Ubuntu 20.04) or lock the screen. Currently I have successfully ...
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How to start graphical application after acpi triggers a script

my old PC using acpi to catch special buttons' actions so I can execute some scripts for certain events. The problem - I can't start any graphical application with it. All graphical application ...
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Multiple issues after trying to install systemd-boot

This question is a follow up of this question which suffered from an XY problem I have a Lenovo MIIX 310-ICR with Arch installed on it. I tried to install systemd-boot to replace rEFInd since I ...
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how to set `DISPLAY` in acpid scripts

i have multi user logged in, and i use acpid to listen sleep key to turn off screen use xset dpms force off command. i can not turn of the screen because acpid run as and excute scripts as root. and ...
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ACPI_BIOS_ERROR with Windows 10 Installation Media

I have been experiencing some issues on Arch such as the WiFi part of RTL8723BS not working, and the power button not working. I have narrowed it down to the BIOS, so I am trying to flash it. ...
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Windows 2000 disk image: was ACPI enabled?

I have an old (2005) industrial PC running Windows 2000. It operates a CNC machine, so almost every bit of it is proprietary, except Windows and basic hardware standards (ISA bus etc). All of a ...
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Messed up ACPI tables on HP Envy x360/Arch Linux

I recently installed Arch Linux on my laptop, an HP Envy x360. For the better part of a year, I hadn't been able to get my install flash drive to boot, but yesterday I managed to get it up and running....
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Which hardware and software is needed to have the battery status reported to the OS?

Every smartphone, tablet and laptop does this out of the box independently from the OS. My question is how? Which hardware and software is involved? Which protocols and interfaces? How feasible would ...
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My laptop sometimes hangs before booting the operating system with an ACPI bug, which I think it's closely related with my nvidia graphics card

Environment Laptop: Asus TUF Gaming FX504GD-EN1354 dmesg output lspci output: 00:00.0 Host bridge: Intel Corporation 8th Gen Core Processor Host Bridge/DRAM Registers (rev 07) 00:01.0 PCI bridge: ...
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I am having an issue with an extremly high non-paged memory pool

I have 32gb of RAM. I noticed I was always maxed out at 30 or so GB of usage when I would only have things like Chrome open. I used to be able to run servers. If I restart my computer memory use will ...
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Ubuntu 18.04 LTS crashing on Acer Aspire 5750G

I have tried to install Ubuntu 18.04 LTS on a Acer Aspire 5750G laptop, several times. Until now I have successfully installed the OS two times, only to have it crash after a period of approximately ...
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What are these bugs when dual-booting windows with deepin OS?

So I'm dual booting windows 10 with Deepin OS but I keep running into errors that I can't find solutions to because I can't figure out what's wrong. I've followed multiple tutorials, doing everything ...
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failed to install ubuntu or mint on DELL XPS 8900: ACPI region does not cover the entire command/response buffer

When I tried to install ubuntu 19.10 on my DELL XPS desktop it shows at the console: ACPI region does not cover the entire command/response buffer after looking up online I did these: upgrade my ...
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ACPI interrupts causes high CPU usage from kworker

I noticed that, on my ASUS N550JV, my load average was always above 1. I'm using Devuan Beowulf with a 4.19.0 kernel. After some digging I found that the culprit was a kworker related to ACPI. ...
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How do I modify ACPI tables on Windows

In summary, my question is: how do I modify ACPI tables on Windows? More details: I'm having issues installing ubuntu 18.04 in dual boot on my new hp envy x360 Ryzen 3700U. I found an answer here: ...
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How to disable power-off/standby via remote control on raspbian buster

I've recently upgraded from a raspberry pi 3 with raspbian stretch to a pi 4 with raspbian buster. Now, same as before, I also have a remote control attached via USB, and I use thd to hook up certain ...
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Intel PC prototype, ACPI BIOS ERROR

Update: The problem is not fixed, but I found out that the motherboard I use is to old to be updated, so I figured I would not invest too much time into it, and I installed an esxi instead of windows ...
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Why does reading PCI device config file freezes the system?

I am running Arch Linux, on a Gigabyte Aero 15x v8, and I am confronted to a particularly arduous problem. To be noted that I am also using bumblebee and bbswitch configured to work with nvidia ...
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Win10 freezes on boot. ERROR_CODE: (NTSTATUS) 0xc0000420 - An assertion failure has occurred

So I've been trying to track down an issue with a computer. Win7 boots fine, unless multi-threading is disabled in bios, then it freezes on the load screen. I'm not sure why that would be. Anyways, ...
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High CPU usage - seems to be in the function DefPortWriteAcpiRegister in ACPI.sys

I have been struggling with high CPU usage for a pretty long time, the issue happens when I do a full reboot of my laptop (a DELL Precision M6800, Windows 7, 64bits), it happens in the ACPI.sys ...
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Accessing the Debug LEDs on Dell OptiPlexes

Dell OptiPlex machines have debug LEDs on the front panel that say 1-2-3-4.  How can they be accessed from Linux/Ubuntu?  Perhaps via ACPI commands?
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Linux Drastically Underclocking CPU (i5-4300U CPU)

Currently working on an issue and am looking for some guidance. Our current setup is a dual core (i5-4300U) Advantech box running Ubuntu 14.04. I am seeing these rare occasions where the CPU cores go ...
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Prepare windows for power failure

In my scenario i have Windows system that can be notified about a power failure up to 200ms before the power failure (The UPS already failed in this scenario). As this won't be enough to shutdown ...
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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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Why must we port ROMs [closed]

We can install windows on a range of machines, but when one attempts to flash a ROM on another android device, it doesn't work. I assume this is because the kernel and system optimisations are only ...
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Fedora 27 LXDE closing lid doesn't lock the screen (selinux acpid xscreensaver-command)

I've installed acpid and setup an event for lid close which works in debug mode, however I cannot get it to work when acpid is started by systemd. I used the suggestions here to configure acpid Linux ...
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What can I do as far as controlling battery charging via a "Microsoft ACPI-Compliant Control Method Battery"

I noticed that sometimes when my laptop is plugged in it says "Plugged in not charging" - searching around I see all sorts of ways to disable this by removing the "Microsoft ACPI-Compliant Control ...
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Dell T3600 won't start showing amber 3 & 4 with a white power button

My workstation is a Dell T3600. The 3 & 4 are amber and the power button is white. Dell's web-site says this is ACPI S3 mode (power saving). But it won't wake up for anything. Everything was fine ...
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Run a script on power button press on windows 10

I want to link the power button press on my PC with the script that I want to run. I would want my script to shutdown the PC without any notification to the user of any unsaved data. Only the msgbox ...
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ACPID not able to run commands in scripts

I have an HP Elitebook 2740p that has the old style rotating monitor for tabletmode. This rotation generates an ACPI event which I am using to run a script that rotates the screen as well as the touch ...
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The BIOS in this system is not fully ACPI compliant

I have a Dell Inspiron 3050 desktop (one of the little mini square PCs) which I'm trying to put some version of Windows on. I'm able to load various Linux flavors, but when I try Windows, I get a ...
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