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Questions tagged [energy-saving]

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5answers
66 views

Power consumption of online services

Bit of an odd question maybe, but I am considering setting up a server at home and I want to host a couple of websites, a nextcloud, and a plex server. My websites are pretty simple and this way I'll ...
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0answers
24 views

Check NIC Power State via CMD

For Windows 10; there's a feature for the NIC to go into power saving mode. Is there a way to prove its doing that? Such as, if it's currently sleepy. How can I verify that it is asleep? Or check for ...
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0answers
15 views

Why Do My Monitors Wake Themselves Up Immediately?

My work machine runs Ubunutu 18.04. I'm trying to get my monitors to sleep and not having much luck. I opened the Energy Saving module of System Settings and found the Screen Energy Saving was ...
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1answer
54 views

Monitoring my computer's energy's usage - is it too low?

My desktop computer is an i3-2100 with 1 DVD drive, 2 HDDs and 2 SSDs connected to it, as well as a CPU fan and a case fan. All of this is connected to my PC via extension cord (i.e. power bank), ...
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0answers
23 views

Strange behaviour when using Power Plans

I recently wondered why my Laptop seems to be very slow (this was a verly long time). So I downloaded CPU-Z to check my CPU and saw that ist Clock is just around 998 MHZ, however it should can run at ...
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1answer
48 views

Requesting the complete guide to lock down/password require windows 10 when inactive [closed]

My win 10 is set to start screen saver after 2 mins and put monitor to turn off monitor after 15 mins. Password is required on resume from screen saver. I want it to work for example incase I forgot ...
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2answers
117 views

win 10 screen lock password overridden when monitor auto sleep

My win 10 is set to start screen saver after 2 mins and put monitor to turn off monitor after 15 mins. Password is required on resume from screen saver. But the result I get if ignoring computer for ...
4
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2answers
2k views

cannot hibernate anymore (but standby)

for some reasons my Windows-10 desktop PC (HP) cannot hibernate anymore (but standby works fine). PS C:\WINDOWS\system32> shutdown /h Element nicht gefunden.(1168) (element not found 1168) what ...
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1answer
31 views

I need to periodically power up the monitor

At work, I have a really bad monitor (generic trademark with unknown model/manufacturer) which sometimes goes randomly off. It is connected with a VGA cable (not HDMI). I believe that goes to some ...
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0answers
94 views

Is it possible to prevent Windows to reset many system settings to default after a major update (Fall Creators Update)?

I recently installed the Windows 10 Creators Update on many of my PCs, and as with previous "major" update releases, I noticed that many of the system settings, including things like: Energy options ...
10
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1answer
2k views

Does raising LCD monitor contrast increase energy usage?

I've got a Dell S23340M - an LCD monitor with an LED backlight, which has built-in options to adjust the brightness & contrast. The monitor features a nifty "Energy Usage" bar that changes as you ...
0
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1answer
80 views

What household electrical devices could serve as an appropriate Master for the CE Tech Energy Saving Surge Protector?

I am attempting to use the Energy Saving feature of this surge protector: http://www.homedepot.com/p/CE-TECH-4-ft-8-Outlet-Energy-Saving-Surge-Protector-HDC804GWH/205893722 Using my laptop as the ...
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1answer
1k views

btrfs-transacti writes to disk every 30 seconds

I'm running Ubuntu 16.04.2 LTS with btrfs on 4 8 TB Seagate drives in RAID 1. Every 30 seconds btrfs-transacti shows up in iotop with ca. 80 M/s for 15 seconds, even when the system is not used. The ...
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1answer
57 views

Can I turn internal storage hard disks on and off individually? [duplicate]

I'm considering building a new Windows-based work PC. Some of my work requires vast amounts of storage. Currently I'm serving that need by using a number of external USB drives. Given that I never ...
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3answers
13k views

Is there any reason *not* to enable 802.3az (Energy-Efficient Ethernet) on a switch?

I have a PoE+ switch (ZyXEL GS1100-8HP) that has a button on the front to toggle IEEE 802.3az compliance. I looked this up and found that it was a power management specification known as "Energy-...
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0answers
208 views

Windows 10 sleeps fine from menu, won't sleep from timeout

I have a power meter on a Windows 10 box. If I sleep from the menu or the power button, it drops down to about 3 watts. If I wait for a timeout (set at two minutes) it blanks the screen but keeps ...
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2answers
112 views

Win 8.1 not going to sleep

I have searched quite a lot already but unfortunately didnt find any solution or hint yet. My problem is NOT that my computer starts/boots itself from standby mode. For this often discussed problem, ...
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2answers
1k views

Windows 10 keeps waking up at night, source unknown, what to do?

I have recently upgraded a Win7 Pro machine to Win10, and since that day, every few days, the computer wakes up at nicht, once at 3:30 in the morning, the other time at 2:30 in the morning. I already ...
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1answer
25k views

How to know how much electric power a laptop is consuming?

On a laptop charger adapter it is written '65 Watt'. When I am using that laptop plugged into an AC socket, does it mean that it consumes 65 watt per second? I think it actually depends on usage. ...
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1answer
1k views

Windows Power Options - Turn off the display - HDMI not saving energy

I recently purchased a BenQ GL2760H Monitor which has both HDMI/VGA/DVI inputs. I have a Dell Desktop with Window 7 which has a built-in Intel graphics card with just HDMI and VGA outputs. I also ...
4
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1answer
18k views

How to disable a plugged-in PCI-e graphic card on OS level? [duplicate]

I have a server running for which I want to have a possility to access it with a screen connected to VGA (very rarely, most of the time it's accessed via SSH). Therefore I have a PCI-e graphic cards ...
0
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1answer
358 views

Energy saving mode on startup in Windows 8.1

Everytime I start my Windows 8.1 system, the energy scheme is energysaving. Regardless of what I define as default, what was the last mode or whether a cable is plugged in or not. What can this be ...
0
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1answer
38 views

Is it possile to set time before windows disable device for energy saving purposes?

I have a tablet-pc with Windows 8 and dock keyboard. Windows disables dock keyboard after ~10 seconds of downtime by default. I want to increase that time to 60 seconds at least. Is it possible ...
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1answer
142 views

Why does unplugging my laptop from power reduce power consumption?

I want to save unneeded energy. Because of that, I changed my energy settings to power save mode. However, once I switch off the power supply for my laptop, the energy consumption and CPU tact goes ...
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1answer
88 views

Reasons to use adaptive and energy saving power plans

This is Question and Answer topic. After many years of using laptops, desktops and servers I asked myself - why adaptive and energy saving plans exist in desktop and server computers? Why would I use ...
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1answer
5k views

How can I enable the deep RC6 sleep states on an haswell architecture?

If you use iotopyou will see three sleep states. One is called RC6 and the other two are deep sleep states called RC6p and RC6pp. I read the modinfo i915 and saw that one can enable them by passing ...
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1answer
1k views

Wireless or wired LAN: Which consumes less power?

I have a printer that has Ethernet LAN and Wi-Fi WLAN. The printer is seldom used, so I'm interested in minimizing idle power consumption. My Wi-Fi AP is on anyway, so that's not interesting. My ...
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3answers
819 views

Windows 7 screen saver

We have a range of public Windows 7 computers. The computers are always on. When the users are logged on, the screen must not go off and the computer must not sleep. However, when the user ...
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3answers
7k views

How to prevent a laptop from going into sleep in Windows7 32bit in High Performance mode?

When my laptop running Win7 32bit is not used, it always goes into some kind of energy saving mode. The exact behaviour ist like this. When the computer is not use, the screen will go darker and when ...
3
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2answers
800 views

Does a direct scan without previewing a document save electricity?

My question is very simple and straight. I normally take a preview option while scanning a document in my scanner where sometimes I adjust its boundary and reduce the overall size of the document to ...
1
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1answer
162 views

Generate daily system load / uptime stats

In order to study my Mac system activities I want to visualize uptime, sleeptime and cpu average during each day. My first guess would be looking at the system logs, but I would like to know which ...
1
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0answers
41 views

Can I sleep one of the displays on a dual-monitor setup? [duplicate]

I want to be able to 'put the display to sleep' on one of my two monitors when it isn't needed, so it doesn't distract me or use unnecessary power. Ideally, the display would be asleep, but the OS ...
33
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10answers
57k views

Is it possible to power on/off a monitor using the computer?

I was wondering if it was possible to power on/off a display using a computer connected via HDMI. Let me explain : I want my computer to power off my monitors (not standby mode) when I don't use it (...
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2answers
388 views

how to automate pc shutdown & power off?

How could I automate the nightly shutdown and power off of my computer at the mains. That is aiming to use zero electricity during the night. Requirements Can configure time you want shutdown ...
1
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0answers
390 views

How to prevent “lock” on screen power-off in Windows 8

If my screen turns off due to power saving settings in Windows 8 the PC gets locked also. Is there a way to delay the locking another minute? I have no screen saver set (where the lock setting would ...
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0answers
4k views

How to enable different ACPI Sleep Modes with Asus UEFI BIOS

I'm using a new asus motherboard which supports ACPI 2.0a, and am running Windows 8. I'm trying to figure out how to maximize energy efficiency and component lifespan. This computer is only used for ...
1
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2answers
2k views

Why is my hardware switching on a smart power strip if the desktop is off?

I bought a smart power strip to manage my electricity usage at home. I have a large desktop machine that is my main computer during the times when I am at home. I have my main power supply hooked up ...
1
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1answer
5k views

Windows 8 goes into sleep even if it's deactivated

I'm using Windows 8 Pro on my notebook. I set the energy settings to "sleep: never". Nevertheless the notebook goes into sleep mode after some minutes of inactivity. I don't have an external sleep ...
0
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1answer
548 views

No image after waking up monitor

Quite often then my monitor goes back to power mode after being in power saving mode (which is initiated after defined period of inactivity), there is just black screen, however it seems like ...
1
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1answer
511 views

Linux CPU energy saving hacks

I have a quad core CPU (Phenom II 945), because sometimes I need performance, but most of the time, 4×800 MHz (the minimal frequency) is still overkill for most usages. So, three questions ...
1
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1answer
169 views

How can I turn off the display with the Griffin Powermate in Windows?

I want the display to turn off after a long press onto the Griffin Powermate. The software that Griffin provides for windows allows "opening an application"; but it cannot open the shortcut "C:\...
1
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3answers
253 views

Will a UPS switch power off all connected loads in one action?

I am going on vacation and was going to buy a power supply cord with a disconnect switch to power OFF all my equipment, eliminating phantom load. Can I use the OFF/ON switch on my UPS to perform the ...
1
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1answer
62 views

Audio playback prevents standby

Playing back audio (actually it's the driver, not the specific application used) keeps my Windows 7 system from going to standby - any way to change this behaviour? While it might be useful in general,...
0
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1answer
454 views

Sleep mode in Win7 doesn't work any more (shuts down PC somehow, and taking very long to load system again), battery defect?

UPDATE: So, i figured out that i behaves like i remove battery when sleeping. Like it has no power connection, how could that be? OLD POST: I'm not sure what is wrong, but after putting in "sleep-...
2
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1answer
277 views

How efficient is Windows 7 in using battery power as compared to Windows XP in similar power plans?

Windows XP didn't have Aero glass and other visual effects and shadow indexing (for fast search) that probably consume extra power in Windows 7. I wonder if disabling some of those features will save ...
2
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1answer
6k views

How efficient is Windows 8 in using battery power as compared to Windows 7 in similar power plans?

I'm very specific about the time my laptop battery can last as it is very important to me. Will my laptop's battery last longer with Windows 8 or Windows 7, both in similar power plans, considering ...
2
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2answers
2k views

Windows home server build that is energy efficient

I want to build a home server and I plan to run windows server 2012 essentials. I want to use it for storage, file sharing, dlna to my tv, host a couple of websites (not much traffic if any at all) ...
10
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1answer
2k views

Is it possible to power off a PCIe video card/slot? (eg. hot-plug)

I'm looking at building a system that supports VT-d so I can pass through a high powered loud video card to a Xen/KVM/whatever VM (host will be Linux based). However, when I'm not using the VM I want ...
4
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2answers
1k views

Automatically disable devices to save power and mitigate DMA attack in Windows 7

Some OEM include energy saving apps that can switch off certain devices such as webcam or optical drive. Is there any brand-agnostic app out there that can do it? If the list of disabled device is ...
1
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1answer
2k 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 (...