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#HOW TO WAKE UP MAC FROM SLEEP MAC OS X#
#HOW TO WAKE UP MAC FROM SLEEP PRO#
#HOW TO WAKE UP MAC FROM SLEEP BLUETOOTH#
#HOW TO WAKE UP MAC FROM SLEEP FREE#
#HOW TO WAKE UP MAC FROM SLEEP MAC#

#HOW TO WAKE UP MAC FROM SLEEP MAC#

In addition to ensuring that your Mac isn’t offering a sharing service which could wake it up, open the Energy Saver pane and uncheck the item Wake for network access.

Opening the lid of a recent laptop model or connecting it to mains power, which automatically wake it.Īpple explains in detail the Wake on Demand system which allows connecting clients to wake a sleeping Mac which is sharing to them, in this article, now sadly archived.

#HOW TO WAKE UP MAC FROM SLEEP BLUETOOTH#

To fix this, open the Bluetooth pane, click on the Advanced… button, and uncheck the last item, to Allow Bluetooth devices to wake this computer.

Bluetooth activity, typically other Bluetooth devices trying to connect.

Check the Sharing pane doesn’t make that Mac a ‘server’ for any of these, and disable Wake on Demand (see below).

Network activities which wake the Mac, including various types of sharing.

The following events and activities can wake a Mac which is already asleep: Processes listed as Yes at the top will prevent your Mac from sleeping, and need to be quit for that to occur. You can discover those by opening Activity Monitor, switching to its Energy tab, and clicking once on the head of the list Preventing Sleep.

Network activities which wake the Mac (see below).

Sleep itself can be prevented by the following: The end result is that when they do want to use them again, perhaps the following morning, their batteries are partially discharged – more than they should had they remained asleep. In developer lingo, an application may explicitly prevent system sleep by calling IORegisterForSystemPower(), and calling IOCancelPowerChange() when it receives a power management kIOMessageCanSystemSleep notification.A few Mac users have recently been complaining that their MacBooks/Pros/Airs keep waking from sleep.

When the application tries to draw text using that font again, it will be loaded from the hard drive, resetting the sleep timer.Īpplications can be designed to keep the system awake and prevent idle sleep indefinitely. If an application uses a custom font to display text but the font resource is marked purgeable, then at some point the memory manager will purge the font from memory. However, some Bluetooth mice can interfere with sleep.Īpplications can also affect sleep, even some small things. A bluetooth device paired correctly should not typically prevent a computer from sleeping. You can allow Bluetooth devices to wake a sleeping computer by enabling "Allow Bluetooth devices to wake this computer" in Bluetooth preferences. In the note, I was interested to see that a Bluetooth setting can also interfere with sleep. There are reasons why you may want your Mac to stay awake even though you are not using the keyboard or mouse, such as when you are:Īway from your computer while downloading large files

The Apple Support note Why your Mac might not sleep or stay in sleep mode offers some suggestions as well as a troubleshooting guide. On the other hand, there can be problems when putting your MacBook to sleep. Stein's SmartSleep lets you choose between the modes. And if your MacBook supports it, you can swap in a fresh battery. It may take the longest time to sleep but it also can wake quickly. Hibernate, where the state is written to the hard disk (the safest for your data), but takes the longest time to be put to sleep and to wake up.Ĭombination Sleep and Hibernate, which Apple calls Safe Sleep. Sleep, where the Mac saves the state in RAM, which means it can go to sleep and wake up quickly, but could bring trouble if the battery runs down or is removed.

#HOW TO WAKE UP MAC FROM SLEEP FREE#

The Energy Saver control panel defines several kinds of sleep: "computer sleep," which is what we commonly think of as sleep, where the system sleeps "display sleep," where the screen goes black and "hard disk" sleep, where the drive spins down.Īccording to developer Patrick Stein, the author of the free SmartSleep preference pane, there are three sleep modes that your Mac can use:

#HOW TO WAKE UP MAC FROM SLEEP MAC OS X#

I've continued this process under Mac OS X Leopard and have had no further trouble with waking from sleep.

When I go to wake the MacBook, I open the machine and make sure that I don't plug anything into the machine before I wake it. Next I use the Sleep command under the Apple Menu to put the MacBook to sleep and I wait until the screen actually goes blank before closing the lid. Before I put the machine to sleep, I unplug anything connected, such as an Ethernet cable, hard drive or mouse.Ģ.

#HOW TO WAKE UP MAC FROM SLEEP PRO#

When running under Mac OS X Tiger (10.4), I occasionally encountered problems getting my MacBook Pro to wake from sleep. Please! And we when we want them to go to sleep, we hope that they will slumber. When we put our MacBooks to sleep, we hope that they will wake.