Deactivate the sleep mode when closing the laptop cover

Hello Everyone
I was wondering if there's any way to deactive the sleep mode when I close the cover of my laptop.
In Windows, we can do that.
So, Is There any Way to close the cover and open it up without going in sleep mode? Because in sleep mode, it deactivates internet.
Thank You !
Max
MacBook Pro Mac OS X (10.4.6)

Try using an application such as InsomniaX for this purpose.
(15861)

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Turn off sleep mode when closing MacBook

I used my flat screen TV as a monitor for the MacBook, but each time I closed the cover the MacBook goes into sleep mode. How do I shut this off, so it does not go to sleep mode when the cover is closed ?
Thanks.

There is no system setting for that. You can use an external keyboard and mouse and wake the MBP back up with the lid closed, that's 'clamshell mode'.
http://support.apple.com/kb/HT3131
The only alternative would be a 3rd party hack like InsomniaX or SleepLess.

Disable Sleep Mode When Closing Lid

Is it possible to disable this? It is really inconvenient and annoying. I don't want my computer open on my desk when its simply playing music or streaming media. Also, sleep obviously logs me off instant messengers. This is also inconvenient when moving rooms and such. You have to then restart downloads, relogin, or carry it around open. This would seem simple and an easy setting to switch, but I have as yet not been able to find it. I know this exists on my PC laptop so I'm assumging Mac has a similar function? I'm not sure this is my first Mac. Thanks for any help with this issue.

I haven't used more than one PC laptop (my Dell XPS) but it gives you the option to select what you want it to do when the lid gets closed and you also have the option of what you want it to do when you press the power button (just like all of our computers do, which are all Dells, other than my 2 Macs).
The settings for Windows (as this is probably just a part of the OS and not company specific) let you have your "Sleep" option, "Hibernate" option, "Shutdown" option and the "Ask Me What To Do" option (also with the standard options of: select # of minutes until Screensaver, Turning off the Monitor/Display, and Turning off the Hard Drive). So you can set it so that your system always sleeps when you hit the power button when it is already turned on, or that it always asks what you want it to do. And then for the laptop lid being closed, you can set it to your system staying on, it going to sleep, it hibernates... etc, so that you can cater it all to what you want it to be like, your needs....
If there is one thing that I would like to see in the future for Macs, this feature would be it (well I have a few I would like to see). The networking aspect (joining up to a -possibly Windows- home network easily) and other customization features of the look and feel of the OS are the other main 2.
I love using WindowsBlinds and other skinning software, to change the look and feel, and the option to change how the main menu bar looks and acts which I do think could be harder -possibly?- for a Mac as the menu changes with each application that is the *currently focused* window compared to Windows just adding in a tab to the bar with the window's name and you get all the "menu info" from inside the tabbed window instead... If applications like this do exist for OSX, I would love to hear about them...

Don't trigger Sleep Mode when closing MacBook

Is it possible to alter some setting to keep a MacBook from going into Sleep Mode whenever the clamshell is closed? I'd like to be able to quickly close the MacBook and bring it somewhere before re-opening (usually within a minute or less), without triggering Sleep Mode (and losing my network connections, etc.).

Since Apple specifically gives instruction for running the MacBook with the lid closed it should not overheat from that. Here are instructions.
Apple: How to use your PowerBook G4, MacBook or MacBook Pro with the display closed and a Bluetooth keyboard or mouse
Apple: How to use your PowerBook G4, MacBook Pro or MacBook with the display closed
There is another method you can use but all you can do is use Front Row. Once your MacBook is closed and hooked to an external monitor or TV you can wake it with the IR remote.

I am running OSX Lion 10.7.4 and the computer no longer will go into sleep mode when I close the cover What happened with this option?

I am running OSX Lion 10.78.4 and the computer will no longer go into sleep mode when I close the cover. In system preferences I can no longer find the option that allows for this energy saving feature. What happened to this option and why is this no longer happening with the latest version of Lion?

No external monitors or devices attached. When you mention that this function only works when devices are attached that is true when you set up your preferences that way. Up until my upgrade to Lion the computer would always go into sleep mode when I closed the lid. There also used to be an option to check in system preferences that allowed you to choose this option. My question for the discussion is what happened to that option and how do you get the computer to sleep or at least the display to sleep when you close the lid as we have been able to do in the past. Thanks.

HT204267 My Macbook Pro 13 refuses to turn on after i place it in sleep mode by closing the lid.

My Macbook Pro 13 refuses to turn on after i place it in sleep mode by closing the lid, after opening the lid the led sleep indicator is still on and the screen hasn't revived but once i press any button to revive it, it goes off and refuses to turn on. Is there a way to fix this?

Hello Carlens J,
Thanks for visiting Apple Support Communities.
It sounds like your MacBook Pro does not wake from sleep, and shuts down when you try to wake it.
Try these troubleshooting steps to remedy the situation, or if your Mac is currently not powering on:
OS X: When your Mac doesn't sleep or wake - Apple Support
Reset SMC
The System Management Controller (SMC) is involved in managing power on your computer. Reset the SMC on your Mac if you are having difficulty sleeping or waking your computer.
Reset NVRAM/PRAM
Nonvolatile RAM (NVRAM)/Parameter RAM (PRAM) stores some power-related settings.Try resetting NVRAM/PRAM if you are having difficulty sleeping or waking your computer.
Test with external devices disconnected
Some external devices can prevent your computer from sleeping. Try disconnecting items other than your Apple keyboard or mouse from the built-in USB, Thunderbolt and Firewire ports on your Mac. If this resolves the issue, try reconnecting your external devices one at a time until you find the device preventing sleep or wake. Check the documentation that came with the device, or contact the device manufacturer for more information.
Try Safe Mode
Check to see if the issue still occurs when the computer is started in Safe Mode. If this resolves the issue, it could be related to a third party software item such as:
a login item
a startup item
a third party kernel extension
Best Regards,
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There is no output from that command line? Maybe the pid changed.
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Spoiler (Highlight to read)
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Go to Solution.

Hi Cuonglp,
Welcome to Lenovo Community!
As per the query we understood that you are facing an issue with Display on your ThinkPad T400.
In this case the issue might be with LCD cable, I suggest you to check with reseating LCD cable once.
Please click here to visit the link on how to go with reseating the cable, go to page 143.
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KinoBillie wrote:
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Deactivate the sleep mode when closing the laptop cover

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