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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9answers
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How can I put the computer to sleep from Command Prompt/Run menu?

I know that almost everything on Windows, like opening any sort of application, can be done from the command prompt or from the Run menu. How can I put my computer to sleep or shut it down? What is ...
40
votes
19answers
31k views

Is it still necessary to shut down computers?

Nowadays with our modern operating systems, is it necessary to fully shutdown computers instead of choosing to stand-by or hibernate computers (desktops and laptops)? Would there be any side-effects ...
24
votes
6answers
169k views

How do I make a batch file wait / sleep for some seconds?

I use a batch file to start up a few of the programs I need running in the background. Up until now, I had used the pause command to execute it after some of the other start-ups finished. I would ...
23
votes
9answers
18k views

Why won't my computer go to sleep automatically?

Windows 8 is set to sleep after 30 mins, and it used to work, but recently it's started refusing to sleep. (I can still manually ask it to go to sleep without any issue.) I was having issues a ...
23
votes
8answers
132k views

Why does my Windows 7 computer freeze after waking up from Sleep?

Moderator edit: if you have a similar problem, please ask your own question, since it seems there are several things that can cause this situation, it is better to treat each case separately. Hey ...
19
votes
4answers
2k views

How can I make my computer play dead? [duplicate]

Possible Duplicate: Disable power LED blinks during Vista hybrid sleep? I have a laptop that when sleeping is perfectly quiet, which is great. What isn't so great is trying to sleep with ...
19
votes
3answers
8k views

Which of shutdown / hibernate / sleep causes the least wear to an SSD drive?

Having an SSD for the only drive in my laptop I'm wondering which of shutdown / hibernate / sleep causes the least wear to it? Is there any serious test that would measure that? Suppose that the ...
19
votes
5answers
49k views

Windows 7 come out of sleep when I open remote desktop

Is there any way to have a Windows 7 machine come out of sleep automatically when I try and connect to it with Remote Desktop? The power saving option of the machine I want to connect to (enforced by ...
18
votes
4answers
3k views

Can a Windows PC do anything while it is sleeping?

I heard that OS X Mountain Lion on a Mac has a feature called Power Nap : With Power Nap, your Mac sleeps but your applications stay up to date. So you have the latest information — such as mail, ...
17
votes
9answers
39k 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 ...
15
votes
2answers
4k views

What is the difference between (these four) sleep states?

Whilst browsing the interwebs, I found an article here about how to run a Power Efficiency Report. As I wasnt doing anything, I decided to try it and see what it did. In the results it listed the ...
15
votes
8answers
67k 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 ...
13
votes
6answers
33k views

Prevent Windows 7 PC from sleeping while a download is in progress

While I'm downloading a large file on Windows 7 using Google Chrome, my computer goes to sleep. I could obviously set the computer to not sleep at all (or change the interval before the computer ...
13
votes
10answers
7k views

Help me find the offending process waking my Windows 7 PC from hibernate every night

Recently my Windows 7 64-bit PC has started waking every night from hibernation around 3:30am. I have done the following to try and figure out what is causing the issue with no luck: Examined the ...
13
votes
2answers
10k views

Can I run my MacBook in clamshell mode without being connected to power?

At home, I run my MacBook in clamshell mode (closed lid, external display). This works fine when you're connected to the power adapter, but it doesn't work when running on battery. That's how it's ...
12
votes
3answers
61k views

What is Hybrid Sleep in Windows 7?

Is Hybrid Sleep on Windows 7 the same as on Vista? As I understand it so far, it is like sleep, except the content of the RAM is also saved onto the hard drive, so when there is power loss or power ...
12
votes
4answers
9k views

How do I prevent Windows 7 laptop from waking up automatically?

About once or twice a week my laptop will wake up in the early hours of the morning (about 6ish) from sleep mode. This happens whether the AC power is connected or not. It will then turn itself off ...
12
votes
3answers
20k views

Mac OS can't connect to SMB shares after sleep

I used to access my local Windows 2008 file server's SMB shares on my recent (3 weeks old) MacBook Pro without problems. However, for a few days now, it fails to (re-)connect to the server after it ...
12
votes
4answers
13k views

Skype status showing always online

Skype has recently started showing my online status as constantly "online" even after I have been inactive for longer than the configured time period of 5 minutes. Things that I have tried: ...
12
votes
7answers
3k views

What is the effect of always sleeping a laptop? Is it bad for batteries or something else? [duplicate]

Possible Duplicate: Is it bad to put your computer in sleep mode every time? I do not shut down my laptop (os:vista). Instead I always make it sleep. Are there any bad consequences of this ...
12
votes
7answers
24k views

Why is my laptop favoring the wireless connection over my LAN connection?

When my laptop comes out of sleep, I have to typically wait about 90-120 seconds before my network (wireless or NIC card) 'wakes up'. During that time, I see my wireless connection with 'limited ...
11
votes
5answers
32k views

Is there a command line tool to put windows 8 to sleep? [duplicate]

Possible Duplicate: How can I put the computer to sleep from Command Prompt/Run menu in Windows Vista? A few days ago I installed Windows 8. I first found the lack of the "shutdown" menu ...
11
votes
2answers
4k views

Laptop randomly waking up = Hibernate / Low Battery?

A (Windows 7) laptop has been annoying me since the day we got it. When it is put to sleep (the lid closed), it seems to intermittently wake up randomly during the night (i.e., 10pm, 1:30am, 7am, ...
10
votes
6answers
23k views

Should I put my MacBook Pro to sleep, or shut it down every day?

So. I have this Mac Book Pro 3.06 GHz. Coming from Windows Laptops I'm use to ALWAYS as ritual no matter what, shutdown the operating system. I have this feeling of not doing so affects the ...
10
votes
3answers
4k views

What is preventing my MacBook from sleeping?

I have a MacBook Air and I have noticed that even though I have configured it to put itself into sleep mode after being inactive for 5 minutes it sometimes stays awake. I've usually got a bunch of ...
10
votes
3answers
67k views

Why doesn't Windows 7 wake up from sleep?

I upgraded my Vista Ultimate to Windows 7 Ultimate (RTM) and after that it doesn't wake up from sleep. When I power it on it turns on but nothing happens, but if I press the reset button it boots and ...
10
votes
4answers
4k views

uTorrent prevents computer from entering sleep state

I've been using uTorrent for a long period of time, but recently I noticed that when I open uTorrent, I can't make my laptop go to sleep. The screen turns off and etc. but it will be still running and ...
9
votes
10answers
15k views

Disable or sleep secondary hard drive in Macbook

I've done some quick Googling but didn't find an answer. I've put an SSD in my Macbook, and at the same time moved the original hard drive to the optical drive bay. I'm running the OS and most of my ...
9
votes
5answers
6k 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 ...
9
votes
4answers
304 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 ...
9
votes
6answers
11k views

What is the impact of leaving a laptop in “sleep” mode (while on battery power)? [closed]

How much battery would leaving my laptop at "sleep" mode consume? is the consumption low enough so that it would be safe to leave the laptop sleeping at nights regularily and using it tommorow? ...
9
votes
5answers
4k views

My Windows 8 PC wakes up every night around 3 am

I just built a new Windows 8 PC, and started using it a few days ago. Every night, I use Hibernate on the computer before I go to bed. The only way to turn it back on is to hit the Power button. ...
9
votes
2answers
708 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 ...
9
votes
3answers
2k views

Troubleshooting a Windows 7 PC that wouldn't sleep

I have a new Windows 7 PC that wouldn't sleep (not just automatically, but also when specifically told to). The screen goes black momentarily, but within two seconds the machine comes back as if ...
8
votes
5answers
1k views

How useful is hard drive encryption?

So, let's say you have a notebook, and you encrypt the entire hard drive. Whenever you boot it's gonna ask for a password, meaning nobody can access your data without the password. On the other hand, ...
8
votes
4answers
5k views

Desktop reboots itself on sleep or hibernate

I have been using an ASUS M2NPV-VM motherboard for main home desktop workstation, operating Windows Vista x64. This computer has right from day one not been able to enter hibernate or standby; after ...
8
votes
3answers
434 views

Windows 7 Sleep requires graphics driver?

I just freshly installed win7 64 bit. Before I installed the graphics driver (amd 6310), the sleep option was greyed out. But after I installed, i could sleep. Why does this occur?
8
votes
4answers
6k 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 ...
8
votes
1answer
400 views

How do you keep the Mac from accessing the dvd drive on resuming from sleep?

Whenever I resume my mac from sleep (after it has been sleeping for a while), it seeks the dvd drive which can be a little noisy, especially in a meeting. Is there a way to keep it from doing this?
8
votes
2answers
6k views

Why does Windows 7 mouse freeze after resuming from sleep?

A similar question previously posted at Super User is Why Does My Windows 7 PC Freeze After Waking from Sleep?, but none of the previous answers intially appeared to solve my problem or were the same ...
7
votes
3answers
4k views

Why hibernate Windows 8? [closed]

It seems to me that in Windows 8 classic, hibernate is slower than the fast shutdown. Is there any meaningful reason to hibernate a Windows 8 machine (as opposed to fast shutdown or sleep)?
7
votes
4answers
21k views

Sleeping a computer via batch file in Windows 7

I want to make a batch file that will sleep my computer after a period of time. The closest thing I have found is placing it in standby, but seems to work differently than the sleep button on my ...
7
votes
4answers
10k views

What is the hotkey to put my Windows to sleep?

My keyboard doesn't have power-related keys. I would like to enter the hybrid sleep using the keyboard and only with a minimum of keystrokes. If there is none, how do I bind a hotkey to it?
7
votes
4answers
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How to disable screen locking after sleep on Ubuntu 9.10?

When the computer enters sleep it locks itself and I would like to avoid that. (Ubuntu 9.10) Please don't upvote answers that don't work!
7
votes
2answers
3k views

How to setup Windows to not put my external drive to sleep?

Every time I use some external device (pen-drive or external hdd) on my desktop, after some idle time my Windows 7 put it into sleep state, turning it off. Sometimes it sleeps and dont come back. ...
7
votes
4answers
9k views

Windows 7 going to sleep or screen locking while watching video in browser

How can I stop Windows 7 from going to sleep when I'm watching a video in a browser? Update I would like to do this without turning off the "auto-lock / screen saving / pc sleep feature"
7
votes
4answers
4k views

How do I diagnose the cause of a freeze after resuming in Windows XP (SP3)?

I have just built a new computer from parts. Whenever I resume from any sleep mode (S1, S3 or S4) the computer freezes within about 60 seconds of the welcome screen appearing. At this point the ...
7
votes
5answers
4k views

iMac with insomnia

I'm having problems with getting my late 2009 iMac (running 10.6.4) to sleep, which it is set to do after fifteen minutes of inactivity. Sleep works fine when manually commanded - the screen, fans ...
7
votes
1answer
3k views

Second monitor sometimes will not wake up

My workstation has two monitors and Windows 7 (64bit). Sometimes when I lock my computer and later return and unlock it, the second monitor won't wake up. I have to turn that monitor off and on to ...
7
votes
2answers
618 views

Laptop sleep: How to go into S3 easily?

Laptop: Fujitsu-Siemens Amilo Pi-3525 OS: Vista When my laptop is plugged in and I close the lid, it goes into S1 sleep. This means that there is still: fan noise (annoying when trying to sleep at ...