Sleep mode is a low-power state designed to provide very fast resuming of a computer's operation, with minimal power consumption.

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Manually controlling hdd sleep

My question is about controlling and getting info about HDD sleep (or HDD hibernation) in Windows 8.1. I am not referring to system hybernation. How to manually put hdd into sleep How to check, if ...
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11 views

Computer shuts down when trying to wake up after going a sleep for a while

I've got a windows 8.1 computer that goes to sleep and wakes up fine in the space of about 30 mins, but if you try and wake it up after that, it shuts down. I think I've tried ever combination in ...
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21 views

Sleep after and Hibernate after in Power Options

In Power Options, when you change a plan's settings, you have the options to change the Sleep after time and Hibernate after time: I have a couple of questions regarding the different scenarios for ...
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1answer
41 views

DisplayPort Link Failure after monitor sleep?

I just added a 3rd monitor to my Windows 7 64-bit computer. When the monitor goes to sleep, it won't wake up. The other two monitors wake up fine (connected via hdmi and DVI). The new monitor I ...
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wifi and mobile data disconnects when screen goes off on huawei smartphone even with wifi on ALWAYS ON mode + auto sync + power save mode OFF [migrated]

My wifi and data connection disconnects when screen goes off on my huawei ascend mate 2. For samsung phones it can be solved with secret codes like ##0011# but for huawei phones the secret codes are ...
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0answers
11 views

Dell Dimension E521 not waking up from sleep or hibernate

I have been having some unusual power management problems on my Dell Dimension E521. When the computer goes to suspend mode automatically, it suspends properly, but when I turn it on, all I get is a ...
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27 views

Windows 8.1 automatically waking from sleep

I have a problem with WOL on my home network, hopefully someone can help as I am all out of ideas. Some info regarding my problem: I have recently setup a mini media server in my house, to host all ...
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2answers
38 views

Can virtual box be accessed while mac in sleep?

I have a question regarding virtual box on my iMac, basically i've created a VM and i'm running there windows. I have made it accessible from internet etc etc, so it is ready, but i'm curious => if i ...
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1answer
53 views

Why is Windows 8 waking up the PC even when there are no wake timers and no pending maintenance tasks? [duplicate]

My desktop PC keeps waking up every time I put it to sleep. I put it to sleep, it wakes up. I put it to sleep again, it wakes up. I put it to sleep once more, it wakes up! It only stays asleep for ...
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19 views

USB appears to prevent Windows from sleeping

After running the diagnostic tests mentioned in many answers concerning why Windows might not sleep I discovered that USB devices were the culprit (well, that and Windows Media Player, but that was ...
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1answer
50 views

Does the Raspberry Pi 2 put USB external drives to sleep when not in use for a while?

I recently got a LaCie 2TB Thunderbolt bus-powered USB external rugged drive. I am using it with the Raspberry Pi 2 and it works fine. It's being used as a remote backup via rsync. However, I am use ...
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1answer
41 views

Audio performance issues after resuming from sleep/hibernate in Windows 10 build 10162

I recently did a clean install of Windows 10 build 10162 from the official ISO provided to insiders, and I have discovered something with my audio performance that may or may not have been present ...
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34 views

I'd like my laptop not to sleep with lid closed when I wake it over LAN

I configured WoL on my laptop and it's working perfectly. The only issue occurs when I wake my laptop from sleep with its lid closed - it will fall to sleep again after five seconds or so. Is there a ...
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0answers
24 views

Time out configuration for projecting to second screen on Windows 8.1 32bit

I am trying keep programs running with the display turned off on my windows 8.1 tablet, but cannot get it working properly no matter what. The display goes black but it is not completely turned off. ...
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2answers
51 views

Laptop waking up from sleep because of “power button”? (Windows 8.1)

My computer is brand new but has a serious problem - it wakes up from sleep mode on its own in the middle of the night, usually a couple hours after I put it into sleep mode. This problem is ...
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0answers
25 views

command to wake up the windows system after sleep command [migrated]

From C# program I want to call windows command prompt and make the system to sleep and after few seconds I should wake the system. I am successful in making the system sleep but I can't wake it up ...
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2answers
98 views

Is there a way of shutting down a Windows 7 computer after sleeping for X amount of time?

Just like you can set Windows 7 to hibernate after sleeping for X amount of time, can you also make it shutdown after a sleeping for a specific number of hours too? There doesn't seem to be a direct ...
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17 views

Windows 7 Halt on Wake

Whenever I wake my Windows computer from 'Sleep', one of a variety of things happens: the system acts normally and I can perform tasks instantly without any problem I can perform tasks immediately ...
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1answer
68 views

High Sleep Power Consumption in Yosemite

Over the last week, my OS X Yosemite (rMBP 2015) has been consuming large amounts of power in sleep mode (~20% over 12 hours). I am not aware of any particular thing I might have done to make this ...
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16 views

Domain keeps Windows 8.1 computer from sleeping

I've recently went back from Win 10 Tech preview to Windows 8.1, where my computer has been connected to my home domain with both operative systemes. This has never been an issue before and I havent ...
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44 views

Why my computer won't enter sleep mode?

My Windows 8.1 set sleep time and turn off display to 1 minute Network adapter wake the computer disabled. powercfg command seems to have no problem. Even powercfg -energy still found nothing ...
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1answer
15 views

Monitor on sleep mode if I connect to vga card

My monitor going to sleep mode if I connect to my nvidia VGA card card. LG monitor saying "SLEEP MODE ACTIVATED" Red light is blinking BUT I connect to my on board VGA it's working properly.... ...
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1answer
60 views

How to stop power light on PC from blinking when in sleep mode? [duplicate]

I regularly put my PC into sleep mode. Unfortunately the power button LED blinks every second and it's extremely bright blue which makes sleeping in the same room somewhat challenging. I have resorted ...
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1answer
38 views

PC keeps waking up from hybrid standby

If I put my PC into hybrid standby, every ~ 15 minutes it wakes itself up, mostly just showing a black screen and going to standby a few seconds later, all by itslef. I already looked into the ...
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1answer
58 views

Windows 8.1 Laptop; Is there a way for closed lid to cause sleep but not when there is a monitor hooked up?

Is it possible to make a laptop sleep when the lid is closed UNLESS there is an external monitor that is plugged in? Perhaps a registry hack or third party software? The control panel power settings ...
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41 views

My computer automatically turns on from sleep when i hit a light switch of my room

I've had this problem for a year now, sometimes when i turn the lights on, my computer (running Windows 8.1) automatically turn on from sleep and I have to put it back to sleep again, but this almost ...
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2answers
55 views

How can I stop my laptop from automatic waking up?

My laptop wakes up automatically exactly 12 hours after it was put into a sleep mode. It has this behavior from the beginning, it is very annoying, especially then the lid is closed and it wakes up ...
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1answer
21 views

Getting a MBP to hibernate/standby after some specific time spent in sleep even when plugged in

I'm aiming to produce the following behavior on both battery and AC power: Computer goes to sleep as usual upon closing lid or being idle for a few minutes. Computer hibernates if left asleep for 5 ...
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0answers
23 views

How to troubleshoot occasional failure to boot?

This only happens 10-20% of the time, which makes it tough for me to analyze. Basically, when I try to wake the PC from sleep or try to boot shortly after turning it off completely, nothing happens. ...
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1answer
18 views

Start Script Even When Mac Sleeps

I wrote a a python script to check the tmperature via API call and then change the color of my Philips Hue Lights regarding temperature and rain. The only problem I'm facing is that the whole thing ...
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0answers
17 views

Detect if the computer was sleeping at a certain hour [duplicate]

Is there a way to detect if a computer running Windows 7 was in sleep mode at a certain hour?
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30 views

Windows resumed from sleep normaly after BSOD

I resumed windows from hybrid-sleep and it worked for a few seconds then crashed so I turned it off and turned it on about 2 hours later but instead of 'starting windows' as expected, it resumed ...
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16 views

Dual Monitor set-up, put one to sleep, other stays the same (windows 7) [duplicate]

I have a dual monitor set up. How can I put one of them (main or not, should work with both, independently) and the windows don't change display? If I use windows+p or simply the screen button ...
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1answer
34 views

Laptop only sleeps when I close the lid a second time

I'm using a Lenovo Y-50 Touch with Windows 8.1 Update 1. I've noticed that in the past couple of weeks, I'm having issues with getting my laptop to sleep when I close the lid. I first noticed the ...
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0answers
43 views

display won't return after being turned off

I have a custom build PC running Windows 7. My problem started a few weeks ago. The power settings are set to not go to sleep and the display to never turn off, but despite this, after a certain ...
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0answers
31 views

Cannot Wake Laptop From Sleep

I just got a laptop with Windows 8.0 Pro 64 bit. I know this is common problem but I cannot get this solved. When the laptop goes to sleep, it cannot be woken up. I have tried to search google and ...
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103 views

Windows 7 laptop comes in hibernation from sleep and can't boot after that

I have a new OS installation on my laptop, Windows 7. I put PC into hibernation state. After that it can't boot from this state normally (error 0xC000009A on black screen), I have to perform cold ...
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1answer
25 views

Scripting sleep and wake up

I have an iMac that when it boots up the screen is all red and fuzzy, but if you put the Mac to sleep and wake it up again the screen is normal. Has anyone had this issue? If so what is it? I am ...
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1answer
94 views

How do I prevent removing a USB drive from waking my computer?

When I put my Windows 8.1 machine to sleep and then remove a USB drive, it wakes up. This is very annoying. Is there anyway to disable it? C:\Users\TallGuy>powercfg /lastwake Wake History Count - ...
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1answer
42 views

Laptop goes to sleep when lid is closed and disconnected from power

I am trying to work with my computer (Macbook Pro) attached to an external monitor, while the lid is closed. I can work on it when the laptop is connected to power, but when I disconnect it from the ...
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0answers
35 views

My ASUS computer keeps putting itself to sleep every night. How do I stop it? [duplicate]

Lately my computer has been putting itself to sleep about 40minutes after I go to bed. It doesn't sleep right when I close the computer lid, but after a while it puts itself to sleep. This is a ...
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1answer
137 views

Window 8.1 freeze after wakeup from sleep and hibernate

My Windows froze after wake up from sleep mode or resume from hibernate mode. Before this happen I was using it fine. It's up for a few second and then freeze (mouse/keyboard don't work, heard of ...
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1answer
48 views

Error 10053 on wampserver after sleeping the computer

I use WampServer for development testing purposes on my local computer (windows 8). I don't usually turn off the computer, I just close the cover (a laptop) and it sleeps. When I open it again, the ...
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29 views

Is it okay to use sleep mode for my laptop all the time? [duplicate]

I use many applications every day, so it's important for me to get the complete desktop state (all windows, shells, etc. in the same state they were in, etc.) back instantly when I turn on the ...
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0answers
50 views

Does UBUNTU partition (with GRUB) affect Windows 8.1 Sleep/Shutdown/Hibernate behavior?

I have a UBUNTU and Windows 8.1 dual boot installed on a dell Inspiron 14 5000. I'm considering removing UBUNTU though (although I am happy with it) because Windows is unable to consistently remain in ...
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61 views

My PC gets stuck while sleeping, on Windows 8.1

While installing Windows updates, I pressed the power button (set to do sleep), but my PC got stuck and I was forced to force shutdown by holding down the power button. Since then I cannot use sleep; ...
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64 views

Wierd screen colors when waking mac from sleep

I have mac mini with two monitors and sometimes when I wake it from sleep I get this weird screen: This is a normal screen: This isn't a big issue (at least I hope so) as it goes back to normal ...
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1answer
87 views

Need to reboot after waking from sleep mode on my windows 8.1 tablet

I searched and tried much but it does little help to my problem. When I put my tablet pc aside and it will sleep after 5 mins. This is what I expected by setting power config. However if I leave it ...
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0answers
16 views

Is it possible to define custom Power Nap tasks/behavior?

In OS X 10.8, Power Nap was introduced. When it's turned on, a machine can perform tasks like checking for new email and backing up using Time Machine. I was wondering if it is at all possible to ...
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42 views

New PSU installed computer wont wake from sleep mode

I hope this is the right place to put this. As stated above I recently purchased a new PSU (CORSAIR AX series CP-9020045-NA/RF 760W ATX12V). Everything went well until I put my computer to sleep. ...