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

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0answers
14 views

XP unable to hibernate with system installed on LSI controller?

I'm trying to build a workbench machine that will multi-boot all sorts of OSes, one of which will be XP32, SP3. So first up, please don't tell me how silly it is to be installing this nowadays, ...
3
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1answer
1k views

Windows 10: Laptop display refuses to turn off

System: Clevo P157SM (Sager NP8255-S). I've just upgraded to Windows 10 Pro on my laptop and now the display refuses to turn off even if I lock the session or after the configured timeout (15 minutes ...
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0answers
16 views

systemd WakeSystem timer unsuspends system but doesn't run service

I'm trying to use systemd as an alarm clock (per this guide, but I'll give all the relevant details in this post). The core of the setup is these two files: /etc/systemd/system/goodmorning.timer: ...
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votes
0answers
74 views

Ubuntu boot message when booting back into ubuntu after manual update

ACPI PCC probr failed is a message i am getting when i try to boot back into ubuntu 15.04 after performing a manual update yesterday. Any help with this would be much appreciated. ACPI PCC probe ...
5
votes
3answers
3k views

Keyboard doesn't work after Windows resume from sleep (S3) — how to fix?

I have a weird issue with my keyboard after resuming from S3 sleep: I can type perfectly for maybe 5 seconds, but afterwards the keyboard ceases to work until I hibernate or restart (or sleep again -- ...
0
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0answers
340 views

Unable to install ubuntu - ACPI PCC probr failed

I recently bought a new computer. The first OS I installed was windows 8.1. After that I created a bootable usb drive with ubuntu 14. Unfortunatelly every time i try to boot it and install it i have ...
0
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2answers
42 views

ACPI, computer turning on sporadically

Lately I've noticed that my GNU/Linux Gentoo desktop computer turns itself on sporadically while it is suspended in ACPI S3 mode. I have made no changes nor updates to the BIOS. In dmesg I see the ...
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0answers
47 views

ACPI USB Keyboard Power On does not work (asrock z77 extreme4)

I have bios version 2.90 (latest) on an Asrock z77 extreme4 motherboard. In the bios I've enabled under ACPI 'USB Keyboard/Remote Power On' but when the system is powered off, nothing happens when I ...
2
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1answer
59 views

How to install Windows XP directly on a new-ish laptop when it says ACPI is non-compliant?

When I try to install Windows XP (don't ask...) on a new-ish laptop (Lenovo Y410p), its text-mode portion installs correctly, but then when I try to boot it afterwards so that it can continue with the ...
2
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1answer
44 views

How to run script every time display is re enabled?

On my linux laptop my screen in flickering due to low PWM duty cycle, I found solution here: https://bbs.archlinux.org/viewtopic.php?id=159817, and wrote script that set PWM to higher value. The ...
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0answers
34 views

Shutting down Windows 8.1 with the power button when locked

I want to be able to have Windows 8.1 shut down unconditionally when the power button is pressed. At present, the power button will shut down the computer in every state I tested, except when I lock ...
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1answer
910 views

BIOS not ACPI compliant, on windows 7 installation

I was facing a problem of blank screen with cursor after login in my Lenovo G40-30 laptop which was pre-installed with windows 8. So to resolve it I somehow decided to change it from UEFI boot to ...
2
votes
1answer
2k views

Invalid ACPI : Invalid PBLK length [5] during Debian boot

I installed Debian 5.03 Lenny successfully on my machine. I got this error during boot: ACPI : invalid PBLK length [5]. After that the Operating System boots properly and starts normally. What ...
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0answers
15 views

How can I tell my Linux installation to handle the brightness ketys with ACPID?

I want to manually control my brightness keys making a event on /etc/acpi/events. Only that there is a problem, when I press the brightness up/down keys, the brighness changes (I think that the BIOS ...
1
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1answer
137 views

Windows 2003 Server doesnt start

My pc with W2003 server have this problem: It doesnt start in normal mode, in safe mode it hangs-on the acpitabl.dat. I have tried reset BIOS and disconect all devices, without sucess. I have tried ...
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0answers
267 views

How to change brightness on puppy linux?

I just installed puppy linux but the screen is literally burning my eyes. The Fn+Brightness key on my laptp doesn't work, I tried to go to setup and change the gamma but it just make the colors ...
3
votes
2answers
2k views

Want to throttle CPU on Windows 7 desktop, but it is ignoring Max CPU setting in Power Options

I want to be able to substantially throttle down the CPU on my desktop, which due to space constraints is in our bedroom and the wife is suspending it each night because of the fan noise. I've tried ...
0
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0answers
80 views

Windows 8.1 reboots on resuming from sleep (S3) mode

ASUS G56JR notebook. Fresh Windows 8.1 installed, all drivers from ASUS site, all updates installed. Hybrid sleep "works". Exactly the same as hibernation, so I see Windows resume screen. ...
0
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0answers
66 views

Wake on LAN cause computer wake up immediately after shutting down

I've installed Ubuntu on my Dell PC, and i want to use Wake on LAN. But here i encounter a weird problem. The computer will wake up immediately after shutting down. Here is what i've done: The ...
1
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0answers
64 views

What exactly does acpi_backlight=vendor do

I have an issue when booting Linux with a device plugged to USB 3.0. If there is anything plugged (USB stick, keyboard, …), the system hangs on start with blank screen and does not react even on ...
5
votes
3answers
5k views

How can I manually control a fan from the terminal?

I'm trying to control the fan speed on my desktop, and I'd appreciate your help. Goal: Use a script to control the fan speed on my computer. Motivation: The embedded BIOS "Smart Fan" settings isn't ...
5
votes
2answers
7k views

System (ACPI.sys) is always using about 15-20% of my CPU

I have a 13" Sony Vaio laptop (model SVS13A1C5E) and I upgraded it to Windows 8 with a fresh install, after upgrading I installed Win8 drivers listed here. Now I have a problem with the CPU usage (it ...
4
votes
3answers
612 views

How can I convince Windows 7 to reboot upon hibernating rather than powering down?

I have a Linux and Windows 7 dual-boot setup on my PC and I would like to configure the OSes so that when working in one OS, I can hibernate (saving the state to disk), reboot, use the other OS, ...
1
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0answers
115 views

Hibernation via power button vs Start menu

I had a problem a few years ago with a Mesh Windows XP machine where if I set Windows XP to hibernate via the power button and then regularly shut down with it it appeared to lead to boot problems. At ...
0
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2answers
507 views

Force shutdown of Windows VM via ACPI or script

At work we've got a Windows Server 2003 VM that we want to shut down when the host operating system (Linux) shuts down. We have this working except for when a user has logged in and locked the screen. ...
2
votes
1answer
14k views

Unable to install windows 7 on Asus X553M

I bought a new ASUS X553M laptop with DOS pre-installed, I am trying to install windows 7 but getting error "The BIOS in this system is not fully ACPI compliant. STOP : 0x000000A5" Please help.
2
votes
1answer
2k views

Ubuntu 10.04 Keyboard and Mouse Freezing Problem

I had a partition setup with Windows XP and Ubuntu 8.04 dual booting. I recently upgraded to Ubuntu 10.04 by installing fresh from CD but leaving the previous /home folder as is. Things seemed to be ...
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0answers
22 views

Acpi gts parameter

I was wondering if there is a relationship between gts parameter and "suspend to RAM" state. Is it possible, that change settings in /sys/module/acpi/parameters/gts (from 0 to 1) has some effect on ...
0
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1answer
201 views

How to rewrite ACPI control tables from Linux?

I have a HP Probook 4720s laptop with broken ACPI tables. The fan is always switched off and the computer tends to overheat and shut down. Under Windows I can use a program called RW_Everything to ...
0
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0answers
353 views

How can I disable/enable my touchpad using a keyboard shortcut under Linux?

In Windows 8, pressing Fn+F6 disables my Lenovo B590's touchpad. I would like to emulate this shortcut in Lubuntu 14.04.1. I created this little script: #!/bin/bash state=$(synclient -l | grep -P ...
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4answers
9k views

What is keeping my PC from sleeping?

How can I find out why my laptop or desktop won't automatically go to sleep
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0answers
102 views

Is Wake On LAN supposed to work even after AC power reset?

So, if you unplug the AC power cable from the wall and re-connect it to the PC Power Supply, is the Wake On Lan functionality still supposed to work on a PC? The WoL functionality is enabled in Bios ...
0
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1answer
46 views

How id it technically possible for Windows to wake up a hibernated computer?

Windows has many different reasons why it might wake up a system... the biggest that comes to mind is for Windows Update tasks... but my question is how this is even possible when (at least to my ...
0
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1answer
1k views

ACPI disabled from BIOS causes a restart loop

I tried to disable the ACPI feature from BIOS, but it seems the machine enters a restart loop after I do that. It always restarts itself right before the system boot begins. Any ideas?
0
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0answers
265 views

Archlinux - Battery detected only on AC plug/unplug

I use Archlinux on a new Dell Inspiron 14. I need to plug/unplug the power cord to have the battery detected. For instance, now, the battery icon tells me that no battery is connected and $ ls ...
0
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1answer
212 views

Change XrandR setup on monitor unplugged/replugged

I'm specifically looking for a way to set up my laptop, when I unplug the external display, to reset the XrandR configuration so I'm only using 1 screen. Any advice? Basically, I want an acpi event ...
4
votes
2answers
1k views

Skip all warning prompts on ACPI shutdown?

When I issue an ACPI shutdown command to a Windows XP guest machine from the host VM server, I want Windows to shutdown. The problem is, Windows always wants to ask some question or another, rather ...
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0answers
273 views

I closed the lid and the screen is black (win8)

I have win 8 . And i have closed the lid from power management's or power option I think that was the name from win 8 not bios The lid was his option sleep and change it to do nothing THE power ...
0
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1answer
126 views

Why is my computer constantly resuming from sleep?

My recently reformatted Windows 8.1 machine keeps resuming from sleep. This is an acute issue ever since I got my SSD (the reason for the reformat), as Hybrid Sleep is out and the system does true ...
3
votes
6answers
10k views

Suspended Laptop Cannot Wake Up - Ubuntu

I've got an ASUS G73JH, and whenever I suspend it or hibernate it, it will not wake up. The screen stays backlight but is black. The fan remains running, however the HDD does not, not disk activity is ...
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0answers
931 views

CentOS 6.4, hibernate issue

The problem is, I can't use Hibernate feature. The system allows me to, but just after the power down, the system wakes up. Seems the system is getting wakeup command from somewhere else, USB, PCI... ...
391
votes
7answers
28k views

How does a computer restart itself?

How can a computer restart itself? After it's off, how does it tell itself to come back on again? What kind of software is it that can do this?
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0answers
110 views

Sudden and spontaneous shutdown when using ACPI

On a Dell Optiplex 755, when I bring the system out from ACPI S3 (suspend) to S0 (normal running mode), the system stays on for perhaps 10 seconds, maybe more. Then it very suddenly shuts the power ...
0
votes
1answer
109 views

brightness keyboard dont work nor are recognized

I'm using xubuntu 13.10. When I installed the system the fn keys for brightness worked, but somehow they aren't now. They stopped working with no reason. The problem is that the keys are not even ...
1
vote
2answers
1k views

Is it possible to wake up an ACPI S3 suspended Linux System with an SMB packet?

I want to put my Debian NAS system in supend to RAM mode (ACPI S3) after a decent period of time idling in order to save some power. I thought about putting the NIC in a mode, where it waits for ...
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0answers
427 views

Win7: forcing the monitor into power-saving mode from the command line while a fullscreen program is running

I have a system that runs a full-screen program (based on love2d) for long periods of time. I would like to be able to put the monitor into power-saving mode after a certain period of inactivity. ...
4
votes
1answer
635 views

What does an ACPI BIOS configure during boot?

When a PC boots with an ACPI BIOS, what does it exactly do? I understand that the point of ACPI is to allow the OS to control hardware resources and power management but before the OS is loaded ...
1
vote
1answer
2k views

How can I manually generate a fake ACPI lid event from a script in linux?

I'm trying to make sure that my laptop will suspend if I unplug it after the lid is already closed, and I believe that one way to accomplish this would be to simulate an ACPI lid event when the power ...
5
votes
1answer
1k views

will boot command params acpi=off or acpi=noirq ruin my hardware?

Dell xps 15z here. Really, really trying to install linux distro to dual boot from. first goto is bt. cant even get past 'initramfs live media filesystem not found' on usb boot. next was ubuntu, ...
0
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1answer
258 views

s2disk does not power off on Debian with kernel 3.10 on Thinkpad

When I hibernate my Thinkpad T61 with s2disk, it does not power off. The problem occurred after migration to kernel 3.10 (3.2 works fine, 3.11 also broken). Any clue how to fix or at least debug it?