10.6.8 won't sleep with 3 finger keyboard strokes

After reinstalling my SL OS, the Control + Shift + Eject keystroke won't put my computer to sleep anymore. Any suggestions?

Does the sleep menu work? If so, try repairing permissions and restarting your iMac. Check your keyboard shortcut settings in System Preferences.
Last resort, see KB Articles: http://support.apple.com/kb/HT3964 Intel-based Macs: Resetting the System Management Controller (SMC) & http://support.apple.com/kb/HT1379 Resetting your Mac's PRAM and NVRAM

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MacBook Pro won't sleep with external monitor

Hello,
have a problem. I'm using external monitor with my MacBook Pro. If I close the lid, I see all windows on external monitor and Yosemite won't sleep. Can you help me please? My external monitor is Samsung 21.5" and I'm connecting it to MacBook Pro via DVI.
Thank you

Hey Renecek,
My first thought was, "Hey, you are using closed-clamshell mode".
How to use your Mac notebook computer in closed-clamshell (display closed) mode with an external display - Apple Support
But then I realized, wait, you want it to sleep.
For that, check out the suggestions in these articles.
OS X Yosemite: If your Mac won’t go to or stay in sleep
OS X: When your Mac doesn't sleep or wake - Apple Support
Take care,
Nubz

Macbook won't sleep with power adapter plugged in

Hi,
My Macbook has stopped going to sleep if the power adapter is plugged in.
I have the power adapter energy setting to sleep after 30 minutes. When I got the Macbook (about a month ago) the thing would sleep until I pressed the spacebar.
Now, the screen blanks but otherwise the Mac remains awake.
If I close the lid the Mac immediately goes to sleep.
I have reset the SMU but this didn't fix the problem. I also checked disk permissions and verified the disk in Disk Utility - all good.
Suggestions?
Thanks,
John

my MacBook has also stopped going to sleep with the power adapter plugged in or when using battery power, unless I close the lid. Did you ever figure out the problem? Did you try calling Apple Care?
thanks,
Liz

Mac Mini 2009 SL 6.0.1 won't sleep with Wake on Demand turned on...

I'm having an issue where my Mac Mini 2009 won't go to sleep at all when I have Wake on Demand turned on. I have been manually making it go to sleep and then loath and behold its back on a few minutes later. I know it's supposed to turn on once every two hours or so, but my Mini appears to not be sleeping at all after it turns back on. I thought this feature was supposed to save me electricity and money, not the opposite. I also have the Mac to go to asleep after 5 minutes. It's not doing that either. I haven't checked the logs to see what's going on. Any ideas?

Nope. I did change a few settings and the mac now manages to sleep. However, it wakes a few minutes later and then eventually goes back to sleep. This process cycles.
I found some good info on this site...
http://reviews.cnet.com/8301-13727_7-10330473-263.html?tag=mncol
I basically just went into the terminal and with root privileges did a "pmset -a ttyskeepawake 0" which turns off the possibility of a remote login event.
Because my initial error message also was saying something about my airport I assumed it might be worth turning on AirPort on the Mini and forcing it not to make any connections to my AirPort Extreme station. At this point, I have turned off AirPort to see what it does with just the ttyskeepawake option turned off.
I might try a PMU reset to see if that has any effect.
Another thing that comes to mind is I have the Mac Mini hooked up to a Denon AV Receiver and then to an HDTV via a mini DisplayPort to HDMI adapter. Perhaps, the Denon is waking it up?

Macbook Pro won't sleep with lid closed problem sorted!

I have experienced and read about many other people having the problem of not being able to put the macbook to sleep propery, and opening your bag to find it is boiling hot and still awake... i have tried all of the solutions posted on this forum such as resetting the PRAM, emptying the cache and so on and nothing has worked until now.
So for any of you out there experiencing this problem, i reccomend you this website which gave me the solution to my problem anyway, and i feel is well worth a try for you too as it is a harmless operation and is easily reviersible if it does not work.
http://www.windley.com/archives/2007/10/fixing_macbook_pro_sleep_problems.shtml
i really hope this works for you as it did for me, and am posting this because of the anguish the problem has caused me over the last few weeks not being able to find a solution... Good luck with solving

this worked for a month but now it is back to its old state. When i close the lid the keys dim and the screen shuts off, and the sleep light inluminates a steady glow however the laptop is still awake. I have noticed it will sleep if it is unplugged from the power, however if i have the charger plugged in it will stay awake. Can anyone please help me out?

IMac display won't sleep with hot corner

I saw that this question was asked before but no answer was given. I got my iMac OS X Yosemite 10.10 brand new yesterday. I set up hot corners so that the display will go to sleep when I swipe it. However, no matter how carefully I swipe, it always comes right back on. I cannot get the display to sleep.
What am I doing wrong? Your advice would be appreciated.

You have 90 days of free telephone support with AppleCare, you can get started by clicking Contact Apple for support and service - Apple Support

Won't sleep with 2 monitors

Hi
My G4 GE will not sleep when I have dual monitors connected.
I have the stock AGP Rage Card with a Sony CRT.
And I have an additional PCI Rage card with an Apple Studio Display.
When the second monitor is connected, the mac will not go to sleep. (I click Sleep in the Apple menu - both monitors go out but the mac is still running).
If I disconnect the second monitor, everything is fine. The machine sleeps normally.
Anybody know why this is? Is it fixable? I've done the prefs trashing.

Hi, IndiGo!.
1. What changes did you make to your Mac before this problem arose? If the problem arose after making a change, it's possible the change is the cause. Is the addition of a "second monitor" the latest change?
2. You wrote: "When the second monitor is connected, the mac will not go to sleep. (I click Sleep in the Apple menu - both monitors go out but the mac is still running)."This implies that whatever graphics card or monitor from the two pairs you specified that is "the second monitor" is not responding to Mac OS X power management commands. The Mac may then be in Doze, vs. Deep Sleep mode.
If the "PCI Rage" card is driving the second monitor, assure you have the correct drivers for such.
Good luck!
Dr. Smoke
Author: Troubleshooting Mac® OS X

New iMac won't sleep with internet sharing on

Less than 3 month old iMac (core i5) has stoppped being able to sleep when Internet Sharing is enabled. It took me a good while to narrow it down to that but I've confirmed that when Internet sharing is off, it will sleep as it's supposed to. When sharing is on though, not only will it not automatically sleep per the energy saver setting, it wo'nt even sleep when forced with the Apple command. The display will turn off, but the machine does not sleep. I can tell by the facts that my wifi access on my iPhone continues to run off the iMac, and the Caps lock on the keyboard remains lit. (Too bad the blinking LED is no more on the new iMacs).
Sleep was working fine when I first got the new machine; it seems to have stopped shortly after I upgraded to Lion. (I think it may have been working for a few days after installing Lion, but I'm not positive...I'm thinking now I just thought it was asleep because the display would turn off.)
I've looked at all the related sleep posts I could find but nothing seems to address this particular issue. I know I could just turn off sharing whenver I want it to sleep, but tha't's like having to disconnect my car battery when I want to shut the car off.
Any help is appreciated.
Thanks,
Jamie

Well, I'm certainly no expert at this and I'd never enable internet sharing (being too concerned about the health of my Mac and/or not knowing what untoward sites/networks/people may be seeking access), but it seems to me that having it turned on means that your computer is sharing a connection, so anytime anyone on the network seeks access, it will either wake up the Mac or cause it to stay awake. Here is an excerpt from the Help Menu (in Finder) (which has nothing to do with your question, but I found it interesting nonetheless):
If your Internet connection and your local network use the same port (Ethernet, for example), investigate possible side effects before you turn on Internet sharing. In some cases (if you use a cable modem, for example) you might unintentionally affect the network settings of other ISP customers, and your ISP might terminate your service to prevent you from disrupting its network.

IMac G5 Won't Sleep with USB Hard Drive Attached

I purchased an external USB powered hard drive, connected it, put the computer to sleep, and the computer immediately awoke saying the device was not put away properly.
I then unmounted the drive, put the computer to sleep, and got the same message.
Called Seagate support, and they said it's an OS issue.
Returned the drive.
Bought a Hitachi USB powered hard drive. Exact same thing happens.
Is it not possible to put this machine to sleep when attached to a USB powered hard drive? I had no problem with a powered USB drive.

Every external drive in an enclosure has an on/off switch, read the manual that came with the drive, or ask Hitachi. You seem to have it turned on permanently. If you don't turn it off before unplugging it, of course the computer will complain that it was improperly put away - you need to drag the image of the drive to the Trash to eject it before removing the USB cable or click on eject under File in the Menu bar.

G4 Quicksilver won't sleep with Dell 2407

I unpacked and setup my Dell 2407 lastnight, and I'm happy with it, but have one query.
Once I had it set up, I set the computer to sleep, and the display went black, with the buttons turning yellow instead of green as they should, but the G4 didn't sleep, just stayed running (I could hear the fans and the power light stayed on, not pulsing as it would in sleep) and wouldnt wake again until I restarted.
The display is connected through VGA to the standard 64Mb Geforce 2 Twinview card, with the USB connected to a Belkin USB2 PCI card. I also have a Playstation 2 connected to the display, but I don't think this should affect the Mac. I have had a quick google about this and I have a feeling it may be related to being connected to the USB2 card and not the built in USB ports, but I'm not sure.
Powermac G4 867 (Quicksilver) Mac OS X (10.4.7) Dell 2407wfp, Belkin USB2 PCI Card, 802.11g PCI card, D Link Bluetooth USB stick, FW 120Gb HD

Thanks bhgdfh, I've just come back from work, plugged the screen into the built in USB instead of the USB2 card and its fine. All sorted now.

Mini won't sleep with a FreeAgent drive - help!

Howdy. I'm a new mini owner and I'm loving it. I'm having a problem with a FreeAgent USB drive though. Without the FreeAgent, my mini sleeps no problem. However, when the FreeAgent is attached the mini goes to sleep then wakes back up right away. This happens both with the FreeAgent plugged into a hub or plugged into the mini itself. I tried unmounting the FreeAgent before telling the mini to sleep - no change, the mini still wakes up. Any help?????

USB devices can cause unusual behavior in sleep patterns of the host systems, and this particular behavior as you have described it, is not entirely unusual.
If you are able to eject the drive to the icon disappears off the desktop, it shows that there are no active files or processes running on the system which relate to the drive. That's a common sleep-related problem, caused by something active on the device that keeps the system awake.
However, the fact there's nothing active on the drive doesn't mean the drive is not active in itself. In some drives, when the host system sleeps, and once the connection to the device is therefore dropped, the device issues a sleep command and in the case of a drive, will then spin down. Unfortunately, with many drives, when that spin-down occurs, the host system sees it as activity on the bus and wakes up again.
This could be the behavior you are experiencing. I had one such system with a similar problem which was resolved by setting the system to put the hard drive to sleep when possible (in the energy saver preference pane), but another user at the time mentioned that a similar issue had been resolved by UNchecking that option!
Unfortunately, since the Mac commonly relies on input via the USB ports to wake it from sleep, there's no way that I am aware of to prevent it reacting to any activity present there if the external device creates it.

T61p won't sleep with Windows 7 beta.

Any ideas, guys? Might be a fun mystery to solve.
Model: ThinkPad T61p
OS: Windows 7 Build 7000 (Beta)
Processor: 2.5Ghz C2D T9300
RAM: 3GB DDR2
HDD: 160GB 7200rpm Fujitsu
Screen: 1920x1200 15.4" LCD
Graphics: Nvidia Quadro FX 570m
Battery: 9-cell
I can give more information if anybody needs it. Thanks for your attempts .
ThinkPad T61p [June 2008]: 2.5Ghz Penryn Core 2 Duo, 4GB DDR2 RAM, NVidia Quadro FX 570m 256MB, 160GB 7200RPM Fujitsu HDD, 1920x1200 WUXGA Matte LCD, Windows 7 RC1

I figured out what was causing the problem on my system, so maybe this will help someone else.
The Windows Media Player Network Sharing Service was preventing my T61 from sleeping. I stopped and disabled this service. Sleep is working great now.

T440s won't sleep with wireless NIC enabled

Windows 8.1 used to allow automatic sleep on battery (after idle timeout). It stopped working. It will go to sleep if manually executed, but not after the idle timeout. I've called Microsoft, Intel and Lenovo support - all COMPLETELY USELESS. After 4 days of testing and reading forums and online posts, I've determined the issue to relate to the Intel Wireless AC 7260. If the card is connected to an access point (any) the laptop will not automatically enter sleep. If I activate airplane mode or disable the wireless NIC (wired NIC no impact) the laptop will go to sleep after being idle. I have tried the driver updates, rollbocks (both Intel supplied and Lenovo), the homegroup removal (this is a domain computer never in "private network" mode anyway). Nothing has helped other than disabling the wireless nic - which is now I use the laptop 98% of the time. Any help/thoughts are greatly appreciated.

Maybe something heavier handed will work:
Download the latest Intel wifi driver package (apparently 17.0.5.8):
http://www.station-drivers.com/index.php/downloads/Drivers/Intel/Wlan/PROSet-Wireless-WiFi-Software/...
Have it saved but don't install yet.
Grab RAPR:
https://driverstoreexplorer.codeplex.com/
Enumerate and sort by Driver Class. You should find a section under Network Adapters. Check everything Intel and Network Adapter (except the one belonging to the wired NIC; identify this by the driver version). Check Force Deletion, and then Delete Packages.
Reboot and you should have no wireless driver installed. Now attempt to install the latest 17.0.5.8 drivers.
Do back up any saved wireless network passwords as this will clear that list.
W520: i7-2720QM, Q2000M at 1080/688/1376, 21GB RAM, 500GB + 750GB HDD, FHD screen
X61T: L7500, 3GB RAM, 500GB HDD, XGA screen, Ultrabase
Y3P: 5Y70, 8GB RAM, 256GB SSD, QHD+ screen

IMac Won't Boot With USB Keyboard Connected

We have a suite of 10 iMacs (10,1 - 21.5 inch), but one of them will not boot and has issues coming out of sleep while a USB keyboard is plugged in.
Have tried swapping the keyboard with another iMac - the other iMac still boots but the problem iMac continues to play up.
Tried plugging the mouse into the iMac's USB instead of the keyboard's.
Tried SMC reset, PRAM reset.
Re - imaged the machine from a time machine backup of one of the other iMacs, which made the issue go away for about a month... but then it returned.
Using a magic keyboard is fine as a workaround, but the users need the number pad, and if possible I'd rather fix the issue than buy a clunky separate keypad.
Does anyone have any ideas? Any help would be very appreciated!

Hello strathglass
The same thing can also happen with other connected devices such as external HD's and iPods, the Startup Manager is lost and searching for a boot volume.
1. You may be able to fix it by going to: *System Preference / Startup Disk* and select the *Mac OS X 10.5.5 on Macintosh HD* then *Click the lock to prevent further changes.*
2. Leave those devices that cause boot issues disconnected until the iMac is up and running!
3. Only sleep the iMac, and be sure to disconnect those devices be for shutting down or updates that require a restart!
As a habit, I have always ejected and disconnected all mounted USB devices (flash driver, iPods, cameras, card reader, etc.) from my hub be for sleeping, restarting or shutting down...
Dennis

Help. iMac won't start with Bluetooth keyboard

Hi, iMac has decided to quit on me. It kept going to the grey screen of death at startup and triedd resetting everything. Nothing worked until I unplugged everything and noticed when I shut the Bluetooth keyboard off, only did it start up but much slower than normal. Any ideas or suggestions on whats going on? Basically, everytime I restart my computer, I need to make sure the keyboard is shut off and it still loads very very slow. Thank you.

Hi, Warren
try to reset PRAM.
try to repair disk permissions.
slow loading/running is sometimes connected with too little memory? how much do you have, and is it sufficient? (have a look at the Activity Monitor).
please, post back with more details.
thomas

10.6.8 won't sleep with 3 finger keyboard strokes

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