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  1. #1


    Member Since
    Aug 07, 2008
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    White Macbook-2Ghz-160HD-2gbRAM
    How to keep macbook on when its is closed
    Hey guys i forgot how to keep the my macbook laptop on while keeping it closed. I use an external monitor via mini DVI and connect it to 24 inch monitor. So i don't ever really look at my laptop screen. How do I keep it on with the laptop closed?

  2. #2

    tkim's Avatar
    Member Since
    Jul 30, 2008
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    Black 2.2 GHz C2D, 4GB RAM, 160GB HD, Super Drive
    Quote Originally Posted by ragamp View Post
    Hey guys i forgot how to keep the my macbook laptop on while keeping it closed. I use an external monitor via mini DVI and connect it to 24 inch monitor. So i don't ever really look at my laptop screen. How do I keep it on with the laptop closed?
    Look for a program called insomnia. I believe that keeps it from sleeping even though it's closed. I'd link it for ya but I'm at work

    Also, you may want to use with caution. The Macbook dissipates heat through the keyboard so you may want to look at alternatives to keep it cool while closed.
    Use not abuse the rep system!

  3. #3

    davidg14's Avatar
    Member Since
    May 29, 2008
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    Mac mini, 20" Cinema, wireless keyboard and mouse.
    For sale: 15" MBP Late 2007. 2.4GHZ, 2GB, 8600M GT 256MB, 160GB. Please PM.

  4. #4

    chscag's Avatar
    Member Since
    Jan 23, 2008
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    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, Sierra
    Quote Originally Posted by ragamp View Post
    Hey guys i forgot how to keep the my macbook laptop on while keeping it closed. I use an external monitor via mini DVI and connect it to 24 inch monitor. So i don't ever really look at my laptop screen. How do I keep it on with the laptop closed?
    Don't use software to keep your MacBook on when the lid is closed. For one, heat is dissipated partially up through the keyboard by convection. Keeping the lid closed all the time will raise the temperature a few degrees. For short periods of time it should be OK. Long term, not recommended.

    You can operate your MacBook in clam shell mode easily:

    1. Purchase an Apple external keyboard. ($49.99) and any good quality mouse. (I use a Logitech wired optical which cost $15.00 at Wal-Mart)

    2. Hook up your external monitor via DVI or VGA mini cable. Attach the external keyboard to the MacBook and the mouse to the USB port on the keyboard.

    3. Go into display preferences and set your external monitor to mirror mode and the correct native resolution.

    4. Keep the external monitor off.

    5. Close the lid of your MacBook and let it go to sleep.

    6. Tap a key on the external keyboard. The MacBook wakes up but its internal monitor remains off.

    7. Turn on the external monitor. It should display in its native resolution.

    8. Open the lid on your MacBook. The internal monitor should remain off.

    I do the exact same thing as above when I use my MacBook at home. It functions as a desktop.

    Regards.

  5. #5


    Member Since
    Aug 07, 2008
    Posts
    9
    Specs:
    White Macbook-2Ghz-160HD-2gbRAM
    Quote Originally Posted by chscag View Post
    Don't use software to keep your MacBook on when the lid is closed. For one, heat is dissipated partially up through the keyboard by convection. Keeping the lid closed all the time will raise the temperature a few degrees. For short periods of time it should be OK. Long term, not recommended.

    You can operate your MacBook in clam shell mode easily:

    1. Purchase an Apple external keyboard. ($49.99) and any good quality mouse. (I use a Logitech wired optical which cost $15.00 at Wal-Mart)

    2. Hook up your external monitor via DVI or VGA mini cable. Attach the external keyboard to the MacBook and the mouse to the USB port on the keyboard.

    3. Go into display preferences and set your external monitor to mirror mode and the correct native resolution.

    4. Keep the external monitor off.

    5. Close the lid of your MacBook and let it go to sleep.

    6. Tap a key on the external keyboard. The MacBook wakes up but its internal monitor remains off.

    7. Turn on the external monitor. It should display in its native resolution.

    8. Open the lid on your MacBook. The internal monitor should remain off.

    I do the exact same thing as above when I use my MacBook at home. It functions as a desktop.

    Regards.
    Thank You, that exactly what i needed to know. I do have an external logitech wireless mouse and keyboard, and i want to function my laptop as desktop too. thanks again.

  6. #6


    Member Since
    Jul 15, 2008
    Posts
    27
    Quote Originally Posted by chscag View Post
    Don't use software to keep your MacBook on when the lid is closed. For one, heat is dissipated partially up through the keyboard by convection. Keeping the lid closed all the time will raise the temperature a few degrees. For short periods of time it should be OK. Long term, not recommended.

    You can operate your MacBook in clam shell mode easily:

    1. Purchase an Apple external keyboard. ($49.99) and any good quality mouse. (I use a Logitech wired optical which cost $15.00 at Wal-Mart)

    2. Hook up your external monitor via DVI or VGA mini cable. Attach the external keyboard to the MacBook and the mouse to the USB port on the keyboard.

    3. Go into display preferences and set your external monitor to mirror mode and the correct native resolution.

    4. Keep the external monitor off.

    5. Close the lid of your MacBook and let it go to sleep.

    6. Tap a key on the external keyboard. The MacBook wakes up but its internal monitor remains off.

    7. Turn on the external monitor. It should display in its native resolution.

    8. Open the lid on your MacBook. The internal monitor should remain off.

    I do the exact same thing as above when I use my MacBook at home. It functions as a desktop.

    Regards.
    Excellent post! I had the same question, and this answered is perfectly.

  7. #7


    Member Since
    Jan 26, 2011
    Posts
    1
    Hiya!
    I've followed the instructions but the quality of the monitor is still very poor.
    Here are the tricks:
    My computer: Macbook pro 2,66 GHz Intel Core i7 4 GB 1067 MHz DDR3
    My monitor: Samsung HDTV 50000:1 SyncMaster P2270HD
    The connexion between both: HDMI
    What I can see is that the monitor has 1900x1080 resolution and Macīs maximum is 1600x900. I could not seen any option on the monitor to change this.
    What I am doing wrong please??
    Thank you for reading me.
    Deme

  8. #8


    Member Since
    Feb 16, 2011
    Posts
    1
    don't use mirror displays
    For some reason, when I use mirrored displays, it won't let my tv/monitor use it's native 1080p resolution - even though I set it in displays. So if you want your large display to look good do not turn on mirror displays.

    What worked for me was to add the display preference to the menu bar, and then select 1080p for the monitor and the 900x1280 for the macbook pro screen. Then close the lid, and let the macbook go to sleep. press a key on your keyboard to wake up your computer and whala! my 26" display is full screen in it's native 1080p resolution. Hope that helps.

  9. #9


    Member Since
    Aug 31, 2011
    Posts
    1
    What you can do is look open the display settings on the mac. Then while you have your monitor or tv plugged in, look at the monitor options. There will be something called underscan. You can adjust this to make it fit your monitor as close as possible. hope that helps. In the meantime, I'm still looking for a quick way to close the lid without buying stuff.

  10. #10

    ImageX's Avatar
    Member Since
    Aug 17, 2009
    Location
    East Bay, CA
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    17" MBP C2D 2.8 4GB OS X 10.8 | iPhone 5
    All you have to do is turn the screen brightness all the way down via the "F1" key and if you have a MacBook Pro, turn the keyboard brightness all the way down via the "F5" key. I do this when I hook my MBP up to my TV to watch movies.

    - ImageX
    "The early bird gets the worm, but the second mouse gets the cheese."

    Remember to use the Reputation System!

  11. #11


    Member Since
    Aug 30, 2009
    Location
    Anchorage, AK
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    145
    Specs:
    15" MacBook Pro (Late-2011), 2.4 GHz Core i7, 8GB RAM, 750GB HDD
    Quote Originally Posted by ImageX View Post
    All you have to do is turn the screen brightness all the way down via the "F1" key and if you have a MacBook Pro, turn the keyboard brightness all the way down via the "F5" key. I do this when I hook my MBP up to my TV to watch movies.

    - ImageX
    The only issue with doing it that way is that the graphics chip is still driving both monitors, meaning more RAM and resources are being used. In clamshell mode, the internal monitor is disabled, freeing up those resources. This is a bigger concern on models with integrated chipsets for obvious reasons.
    -------------------------------------------------
    15" Retina MacBook Pro (Late 2013)
    2.6 GHz Core i7 | 16GB | 1TB SSD | OS X Mavericks 10.9.3

  12. #12


    Member Since
    Nov 11, 2011
    Posts
    4
    The Answer
    As people have said, just plug in the monitor and external keyboard and power cord and click a key on the keyboard. This allows your laptop video display to really sleep and your CPU and GPU are free to do their awesome things.

    My addition: You must be plugged in (not on battery) to do this. Yes it works on Lion and a 2011 Macbook Pro, but only if it's plugged in ! Hadn't been mentioned yet on this thread, and seein as it's the first one that pops up on Google, it should be.

  13. #13

    Doug b's Avatar
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    Jun 22, 2008
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    Quote Originally Posted by cworth View Post
    As people have said, just plug in the monitor and external keyboard and power cord and click a key on the keyboard. This allows your laptop video display to really sleep and your CPU and GPU are free to do their awesome things.

    My addition: You must be plugged in (not on battery) to do this. Yes it works on Lion and a 2011 Macbook Pro, but only if it's plugged in ! Hadn't been mentioned yet on this thread, and seein as it's the first one that pops up on Google, it should be.

    Good post. I was just about to say what you said. None of the other suggestions really hold any weight in terms of getting the native resolution to display properly and such. Just make sure the MacBook pro is plugged in, close the lid and wake it up with a keyboard tap.

    Also, if using a Bluetooth keyboard, make sure that in Bluetooth settings the option to wake is enabled.

    Doug

  14. #14


    Member Since
    Dec 07, 2011
    Posts
    1
    Works wireless?...
    Hey guys I didn't see if it works using wireless mouse n keyboard?... It's important

  15. #15

    wolfpuppies3's Avatar
    Member Since
    Oct 07, 2010
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    Virginia, USA
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    Specs:
    15" MB Pro, 2.66 i7 ; 11” MBA 1.8GZ i7; 13"MBA 2GZ i7 8 GB mem 512GB SSD, 2 iPad3s, 1 iPad Mini
    It does
    I use a wireless Apple magic mouse, track pad, and keyboard. Works fine. I use a 27" Apple monitor with my 2010 MB Pro 15". Just connect the Apple cables and Viola, no tweaking, magic, extra software at all. Just shut the MB Pro and the screen is activated automatically with that on the MB Pro automatically turning off. I use a resolution of 2560x1440 and the monitor is sharper than a tack.

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