The power-management tag has no wiki summary.
1
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1answer
5 views
How do I make ESXi 5.0 to shutdown virtual machines when the physical power button is pushed?
I have a home NAS/DLNA server built out of an HP Micro Server with the HP branded VMware ESXi 5.0.0 build-623860 (free license) installed. Being a home media center I'd like it to be "manageable" by ...
3
votes
0answers
19 views
Laptop wakes from sleep, once, due to audio controller (Windows 7)
The laptop is a recent Dell XPS 15z and the problem is as follows (reproducible about 90% of tries):
put laptop to sleep using either Start->Sleep or closing the lid
laptop goes to sleep after about ...
4
votes
1answer
64 views
What is the minimum length of time it is worth hibernating my laptop? [closed]
I have a Windows XP laptop. I rarely reboot and usually just hibernate it when I'm finished using it. If I'm going for lunch for an hour for example, I will always hibernate. However, if I'm just ...
1
vote
1answer
64 views
Virtual PC - power consumption
I would like to know, how power consumption works.
I have a windows 7 host and a ubuntu desktop guest. When running, does it consume power for both systems? Or just for windows? Does reducing virtual ...
2
votes
1answer
50 views
Underclocking/Power saver mode in Ubuntu 9.10
I'm using a laptop (Intel Pentium Dual T3400, 2GB RAM, Intel GL40 chipset), dual-booting with Windows Vista Home Premium and Ubuntu 9.10.
Majority of the time, Windows is used. However, when I have to ...
1
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0answers
39 views
Linux and battery usage [closed]
I want to install a linux distro on my laptop but I do not want to have a massive battery drain. I remember reading some kernels drain the battery faster then others? Would Mint Linux or Ubuntu out of ...
1
vote
1answer
68 views
Quick and easy power management software for Win 7
Probably one of the most disappointing things for windows 7 is the power management.
It's clunky, there's no quick option to kind of just go "do not sleep" or "sleep at this time" or "sleep in n ...
1
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0answers
236 views
Asus laptop not retaining Aero theme when unplugged
The problem i'm having occurs when i unplug my laptop, it disregards several elements of my theme.
The taskbar gains "auto-hide".
My desktop background is turned white.
The transparency on my ...
1
vote
0answers
49 views
Why does waking a PC up with a timer act differently than with the power button?
I have a Windows 7 machine set up as a server. It has no monitor and is only accessed through remote desktop. I set up two scheduled tasks, one to put the computer to sleep at night and another to ...
1
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0answers
139 views
Wired network adapter doesn't function properly when starting Windows
Every time I start my computer, my wired network adapter stops working - this includes a cold start and resuming from sleep. If I head over to Network and Sharing Center and click Troubleshoot ...
0
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0answers
75 views
Dell C840 hangs on resume from standby
I have an older laptop - Dell Latitude C840 - with Windows XP Pro SP3. Everything works fine except for standby. It will go into standby but has great difficulty getting back out. On resume, sometimes ...
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0answers
111 views
Logoff user instead of shutting down when PC's shutdown button is pressed?
I know of the Sleep, Do Nothing and sometimes Hibernate options in control panel power management but is there a way to Logoff users when the power button is pressed on the physical machine instead of ...
2
votes
1answer
75 views
Vista laptop keeps waking up a minute after I put it to sleep
I have used the command
powercfg -lastwake
to determine what is waking up my computer. Here is what it produces in prompt
Wake History Count - 1
Wake History [0]
Wake Source Count - 1
Wake ...
2
votes
2answers
153 views
CPU performance fluctuates wildly
CPU: Intel Core 2 Duo P8400 @ 2.26GHz.
I've had this laptop for about 3 years and in the past month I've started getting periodic framerate drops in games. Usually the pattern is random, something ...
1
vote
0answers
113 views
Dynamically disabling cores in a power-efficient way?
I am looking for a mechanism to dynamically disable cores in Linux in order to minimize power consumption.
Unfortunately, disabling cores using the following simple approach actually increases power, ...
1
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0answers
82 views
Difference between suspend to “mem” and pm-suspend
What is the difference between
echo "mem" > /sys/power/state
and
pm-suspend
Both can put the computer to sleep mode. I want to execute a script automatically when the system resumes from ...
0
votes
2answers
131 views
Triggering tasks and running programs when Windows 7 is plugged in or unplugged? [closed]
Possible Duplicate:
Is there a way to execute a program on power events?
Is there a Windows event that I can watch in Task Scheduler that will trigger when the power is plugged in? And an ...
0
votes
0answers
202 views
Windows 7 does not sleep after waking task is finished (Sleep after backup)
Background: Before upgrading to a newer mainboard/CPU, Acronis True Image would wake my machine from sleep, run a backup and after about two minutes put the machine back to sleep. I would like to ...
1
vote
2answers
292 views
Reduce power consumption of gaming computer while idle
This is my current build:
EVGA X58 (first generation) motherboard
Intel i7 965 clocked @ 3.3 Ghz
3x DDR3-1600 Corsair RAM at stock timings and voltages
Corsair AX750 80 Plus Gold PSU
1 ...
0
votes
1answer
63 views
Why am I having issues waking up my machine (and how to debug)?
Recently I switched from buying off the shelf machines to building at work (Building AMD FX-6100 or FX-8100, older ones are A8 series or Phenom II, with Windows 7 Pro). Without going in to the ...
3
votes
2answers
266 views
Windows 7 directly turn monitor off when just listening to music
Windows 7, Laptop DELL XPS 1330:
When just listening to music, I want to turn off my laptop display immediately. It perfectly works after the usual delay (e.g. 10 mins) set in the power management, ...
0
votes
1answer
64 views
Is My PSU compatible with this UPS
I have this PSU and this UPS, however due to the PSU being/having an active PFC (power factor correction) it is incompatible with my UPS (at least according to APC tech support, for reference see my ...
0
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0answers
37 views
How do I stop Windows 7 from preventing itself from hibernating if a youtube video is on, even if it is not playing anymore?
Or at least I hope that's what is doing it. If you have any ideas let me know. The mouse for example may be disabled and it still doesn't hibernate.
The settings are: Sleep: never, Hybrid sleep: off, ...
3
votes
3answers
252 views
Computer hangs due to underpowered UPS?
I just bought a new UPS. Now since I started using it I experienced at least 3 random freeze in Windows 7 and it happens during the first 10 minutes of start-up. Note when I say freeze, I mean I ...
1
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4answers
449 views
Does a UPS charge it's battery even if my computer is turned on?
I bought a new UPS and the manual says something like "the UPS must charge for 24 hours before it can work properly..."
My question is, does it charge even if my computer is turned-on or should I ...
0
votes
1answer
149 views
How do I tell Windows 7 that I don't have a battery backup?
One of my computers recently started going to sleep at seemingly random intervals. Upon examining the system log, the reason is always the same. "The system is entering sleep. Sleep Reason: ...
2
votes
1answer
93 views
How can i see list of powered devices in my laptop?
I want to see all powered devices. I know about powertop. But that can't recognize device that isn't truly used. For example, my networkmanager is badly configured and wifi is powered on, i don't use ...
1
vote
1answer
110 views
Second HDD automatically stops after 30 seconds of inactivity
I have ASUS G53JW notebook with two HDDs (2x500GB Seagate ST95005620AS). Second HDD automatically stops after 30 seconds of inactivity. Always. I'm using Windows 7 x64. If I run a game from this HDD ...
3
votes
1answer
73 views
Why doesn't a phone li-ion battery die for 5 years and a pc li-ion battery dies in 1-2 years? [closed]
WHat is the major factor? heat?,size? consumption style like full discharge?
3
votes
3answers
182 views
How to plug-in this hard drive?
I need to install this hard drive "WD800JD-60JRC0". It is Serial ATA. But what really confuses me is that it has molex connector. I think I can plug what I want: SATA power cable or Molex. But which ...
3
votes
2answers
323 views
How do I get my disks to spin down after one hour?
I'm currently configuring a new home server, and I am trying to get the disks to spin down after one hour. But they do not spin down.
Setup
I have my entire system on an ssd: /dev/sda. I have three ...
1
vote
1answer
65 views
Downgrading gaming pc to NAS box
I currently have an old gaming pc which I wish to turn into a NAS box.
Im aware and understand the way to install, im more interested in reducing power consumption.
I thought if i removed the ...
1
vote
1answer
88 views
Ubuntu - application-specific power management
I listen to lots of music while doing non-computer related stuff and my laptop falls asleep after 30 mins, as per my power settings, so I have to go back to the laptop to wiggle the mouse every now ...
1
vote
1answer
656 views
Is there anything to do with a dying li-ion battery when it's nearing its end of life?
Should I keep it in the fridge?
Should I constantly discharge and recharge?
Should I keep my hopes up or should I buy a new battery?
3
votes
3answers
358 views
Legacy Kernel Caller preventing sleep mode
I have a problem with Windows 7 not sleeping.
PowerCfg -requests
says a "Legacy Kernel Caller" driver prevents the sleep mode.
This is not very helpful or informative.
How do I get more details ...
1
vote
1answer
482 views
“Not Authorized” warnings with Slim desktop Manager on Debian
Recently I changed my desktop manager to use slim desktop manager and .xsessionrc to launch appropriate session. I’m attaching my .xsessionrc and slim.conf with this
Now after using X directly without ...
0
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0answers
185 views
Dynamic Power Management (dpms) re-enables when (un)plugging laptop (How to make xset stick/persistent)
While watching video (vlc) on battery power, my screen had always blanked after 5 minutes.
I have fixed this by executing "xset -dpms s off".
However, unplugging/replugging my laptop always re-enables ...
4
votes
2answers
131 views
Will a 300W UPS work fine if my PSU is 500W?
I am getting a UPS (Uninterrupted Power Supply), currently here are my options:
http://www.apc.com/products/resource/include/techspec_index.cfm?base_sku=BE500R-PH
...
0
votes
0answers
81 views
Saving enerygy by switching between onboard and dedicated video card
This is probably common sense but I like to make sure.
Is unplugging just the power supply/cord from the video card (while keeping the video card installed) provide the same energy saving effect or ...
2
votes
1answer
61 views
Where does Windows save things as the current system power state?
I'm currently wondering about the place that Windows (XP, Vista, 7) store information like "Windows is running" and so on. I mean, somehow Windows knows when you just power-down your computer that it ...
0
votes
0answers
74 views
Macbook (refit triple boot) always in powersaving mode under linux, is it the bios?
I have a macbook pro with a triple boot with refit and mac/debian/win7, It worked fine for a while.
But now, when I'm in the refit menu or on debian, the screen is always on power-saving mode (like ...
0
votes
1answer
129 views
How to make VGA display go into standby when no computer/laptop connected
At my work most people use laptops, in combination with a stand-alone Dell LCD (connected through a VGA cable).
Problem: if you unplug your laptop from the display, the display doesn't go to sleep ...
1
vote
1answer
205 views
Cannot find Power Management Tab in XP
I have the problem that when I send my computer to sleep it wakes if you bump the table, floor, burp etc. I have read many threads that say go to Device Manager > Mouse > Properties > Power Management ...
0
votes
1answer
218 views
Is possible to lower power consumption at new Kernel 3.2?
I'm currently using Kernel 3.2, but i'm don't like it's high power consumption. Is there any way to lower it. I'm currently using Arch. But i'm not afraid of gentoo where almost everything gets ...
2
votes
2answers
93 views
Strange laptop wakeup. Why does it happen?
Here is what happens:
I put my laptop to sleep.
I turn on my light
My laptop wakes up.
Why does this happen?
BTW, they are both connected to the same power strip. Could my laptop recognize ...
2
votes
3answers
247 views
What Is AVR Mode In UPS Software Management?
When UPS was disconnected from power source and 25W desk lamp was connected to it, all was normal:
But as soon as i have unplugged it and plugged in 95W fan, AVR "Normal" changed to up arrow:
...
2
votes
2answers
309 views
How do I stop KDE from dimming the screen while mplayer is fullscreen?
Whenever KDE (I think) detects no mouse or keyboard activity for a while, it dims my laptop screen, then turns it off. I don't want that when I'm watching a movie.
Is there a setting somewhere to ...
-2
votes
1answer
158 views
Computational power by the watt: Smartphone vs PC/Servers [closed]
Wich category is more energy efficient? (I'm talking about energy used for computation only)
Can you provide some figures for computational power and power consumption for Smartphones and PC or ...
0
votes
0answers
60 views
How can I disable low power shutdown on Fedora 14?
The preferences dialog in GNOME gives only three options when the battery is critical: Suspend, Hibernate and Shutdown. How can I tell it to do nothing, just as a desktop would if it lost power?
0
votes
1answer
123 views
Advanced Power Management in Compaq laptop
I reinstalled Windows XP in my Compaq Presario V2000, and now the "standby" and "hibernate" options are no longer available. I tried scanning for new hardware, to no avail. In Device Manager, there is ...
