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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Mint 17.2 MATE setting to force login after sleep

Before I updated from Mint 17 to 17.2, when I would sleep the computer, upon reawakening there was a login required. Now it just restores my desktop, but I can't find the setting (if any) in the ...
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1answer
11 views

Sleep fails, can't load crash dump driver

Despite lots of analysis, I can't figure out why my PC fails to sleep. Any method of triggering sleep (e.g. through windows menu; timeout; windows API call) is the same. The screen briefly turns ...
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10answers
5k views

What's waking up my PC?

When I place my PC to sleep, it goes to sleep for 2 min and then wakes up again on its own. I ran cmd.exe as an admin and then typed powercfg -last wake and -requests and I got nothing really that ...
19
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8answers
84k views

Is it bad to put your computer in sleep mode every time?

Often I have a lot of stuff open and don't feel like shutting down my laptop, so I just use sleep mode when I'm transferring it. But I have no idea if this might have any disadvantages. So my ...
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3answers
975 views

System insomnia! Wakes up after 50 seconds after going to sleep

My desktop won't stay asleep. It consistenly wakes back up after approximately 50 seconds. This happens regardless of whether I manually select Sleep from the start menu, or if it goes to sleep on ...
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10answers
59k views

Why does my Windows computer immediately turn back on after sleep/hibernate?

After clicking sleep or hibernate in Windows 7, my computer loads for a while and then goes into sleep mode, but not 1 second later it powers back up. The event log has no errors and no warnings ...
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0answers
24 views

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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0answers
17 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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0answers
22 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
51 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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2answers
4k views

My computer won't go into standby or hibernate

I have a problem that I first noticed yesterday. Whenever I would press the half moon standby button on my keyboard, my computer would go to sleep. I also have a shortcut on my desktop configured to ...
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0answers
15 views

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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2answers
2k views

Windows 7 goes to sleep while in use

My Windows 7 Home Premium 64 on an i7 940 CPU Gigabyte motherboard sleeps suddenly while in use (typing or clicking mouse) since I installed SP1. Sometimes it does not boot up when first turned on ...
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0answers
30 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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0answers
15 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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2answers
1k views

How to get a Sleep button on the Log-In screen?

Quite often my cat wakes up my PC after I've put it to Sleep. It would be extremely useful to be able to put the computer back to Sleep without the need to Log back into the system again (password on ...
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2answers
54 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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3answers
1k views

My PC has a black screen and the CPU power switch light is flashing

I kept my computer on but in sleep mode and went somewhere and when I returned, my monitor has a black screen and the CPU switch button's light was flashing. I have an HP computer and Asus ...
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2answers
3k views

Macbook Air WIFI not working after wake up

I have a late 2010 13" Macbook Air and I have problems turning Wi-Fi on when I wake the computer up. I keep my laptop connected to power, an external screen and a USB ethernet adapter at home and ...
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5answers
8k views

Why does my computer keep switching on?

My computer seems to randomly turn itself on, usually in the middle of the night when I'm asleep. It's in my bedroom so it wakes me up. I'm running Windows 7 and I don't know if it's trying to runs ...
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2answers
41 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
3k views

Windows 7 Network dies after sleep mode

I have a windows 7 machine and everytime it comes back from sleep mode the network connection has been lost and needs reconnecting. I have checked the power settings for my network card and it is set ...
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1answer
58 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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1answer
44 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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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 -- ...
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1answer
2k views

How to find out which application is causing the computer to sleep?

My computer went to sleep (actually, it looked more like hibernating) in the middle of an active time, without any warning. In the Event log, the message was: The system is entering sleep. ...
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0answers
21 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
70 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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3answers
8k views

Windows 7 cannot connect to internet after sleep/hibernate

This problem has surfaced recently. After If I switch on my laptop from hibernate/sleep mode, it can;t connect to internet. It displays all the available networks (wireless) but it never succeeds in ...
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2answers
603 views

Laptop shutdown right after lid is closed

I own an ASUS G750JS, which never had a problem till now. When I am on my computer and I close the lid for the night, it suddenly shuts down. Sometimes it goes to sleep but 90 percent of the time its ...
0
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1answer
54 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
4k views

Windows shuts down unexpectedly when waking up from sleep

I've been facing this issue since yesterday, whenever I put the computer into sleep mode and when I wake up, it takes me to boot menu with choices; start Windows normally, safe mode, etc. in short, it ...
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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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4answers
5k views

High CPU usage after waking up from sleep

About a month ago I reinstalled windows 7 (x64) on my laptop again. A couple weeks later, every so often when I wake my computer from sleep, the CPU starts working at 70%-95%. I tried waiting it out a ...
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6answers
6k views

Windows 7 Keyboard Repeat Rate and Delay are Reset on Resume from Standby / Sleep

I always keep my keyboard repeat rate at the maximum and the delay at the minimum for optimal keyboard responsiveness. Under Windows 7 however, I have found that the rate and delay are reset to the ...
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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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1answer
4k views

RDP to Windows 7 is stuck on Welcome screen after wake-on-lan from sleep

I am trying to set up wake-on-lan for my office desktop (Windows 7 Enterprise). I want it to sleep when I am not there, unless I wake it up remotely and use it in a remote desktop session. Things ...
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2answers
3k views

Fedora 18 Disable Hibernate and Suspend

I recently installed the new Fedora 18, LXDE spin on a workstation (not a laptop). I want to disable the hibernate and suspend functions, and remove them from the "Logout" menu in the UI. In F17 and ...
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2answers
3k views

Monitor sleep in Windows XP does not work. Is there an add on to force it?

I have an EEE box with XP Home and a DVI connected TFT, and it does not sleep the monitor. It only starts working after I go to the energy control panel and turn it off and on again. Then the timed ...
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5answers
8k views

Unpredictable MBP wake from sleep in Windows 7 Boot Camp

I have a Macbook Pro with Windows 7 installed in Boot Camp. I have serious problems with waking from sleep and not sure why. I have the default Balanced power plan selected. Many times when I close ...
2
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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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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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0answers
18 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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2answers
2k views

Laptop with Windows 7 turns on spontaneously while being in “Sleep” state

I own a laptop(HP Pavilion DV7) with Windows 7 installed for already half a year. Usually when I finish my work I do not turn machine off - closing is enough to get is into "Sleep" state. ...
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1answer
40 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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2answers
192 views

Keyboard does not work after PC wakes from sleep

I am running a Windows 7 desktop. Recently, when I wake up my computer, the mouse works, but the keyboard does not. If I need the keyboard, I have to restart the machine. Why does this happen, and how ...
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0answers
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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2answers
243 views

Possible to selectively blacken out individual monitors?

Is there a way to somehow selectively "blank" or blacken an individual monitor while it's on through some type of "topical" solution? I have three monitors, and sometimes I want to view solely on ...
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0answers
45 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 ...
0
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1answer
16 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.... ...