How to prevent laptop from sleep when lid closed

Pretty sure this is an easy fix.

Open a terminal window and type the command:

caffeinate

As long as you leave that terminal window open, your macbook will not go to sleep, even if you close the lid.

2. I'm walking down the hall to a meeting and have the same issue. Why should I advertise what I'm working on? What if it's the latest layoff list?

So YOU'RE the guy

Hi, will caffeinate work without the power adaptor plugged in?

We tried using nosleep but it seems it only works when the power adaptor is connected. Once you remove it and run on battery mode, close the lid THEN it goes to sleep.

I also read in this link:

http://apple.stackexchange.com/questions/12271/should-i-disconnect-my-macbook-pr os-power-cord-when-the-battery-is-fully-charge

it's better to keep the power adaptor on in order for the cycle count not to increase??? ( Is there some kind of scientific explanation for this)

Open Terminal. Type caffeinate. Press enter

http://www.maclife.com/article/columns/terminal_101_prevent_your_mac_sleeping

Thanks for the tip.

Caffeinate works.

Don't leave any apps running that take high CPU loads with the lid closed. I had old 2007 MBP I used for a media device and set it up to run with the lic closed. My screen got too hot and it turned black, as did some of the case around the screen.

THANK YOU THIS HELPED A BUNCH

I completely agree with Jim and I am in the exact same boat at work and on the road. I would like to be able to close my computer for 30 minutes without it shutting off my programs and citrix connection, while I move around the office.

-Stephen

thanks! the software is awesome!

I've tried several before (can't remember the names), and none of them worked properly...

InsomniaX app works great and took less than a minute to download, install and use:

http://mac-how-to.wonderhowto.com/how-to/keep-your-macbook-awake-with-display-cl osed-0158152/

I agree with the sentiment expressed by Revacuate and Jim Robinsoln.

I first "drank the Apple Cool-Aid" six years ago and became an instant devote. Switching from a PC based system, the "elegance" and power made it easy to be seduced. Admittedly, with my upgrade to Yosemite I have been somewhat dismayed, however, in my opinion, Apple remains a superior product .

I find cranky diatribes sophomoric, so I will summarize my evolving (devolving ?!) opinion as briefly as possible ..

Apple, selling me a computer is not an opportunity to insert yourself in my life.

I do not like the trend that full functionality is only available through an ongoing interaction with Apple.

I paid for it, I want to take it home and do my thing. You stay in Cupertino designing great products.

You do that and I can assure the Lions share of my discretionary tech dollars.

I feel that diatribe a-brewin, so I won't mention that in the last six months I purchased a $400.00 phone and a $2800.00 laptop that are unable to share data via. bluetooth, despite the fact that both have the ability to send files to my HP ....

Revacuate, you are correct in saying that it is both simple and, to a high degree an industry standard, to allow the owner of the laptop to set the default behavior in regards to "lid up / lid down".

J

Install the app: Insomniax. Works beautifully. http://www.macupdate.com/app/mac/22211/insomniax

You can enable "Lid Sleep" as you choose.

I was just looking into this issue myself and found that as long as your MBP is plugged in, it will function fine with the lid closed. I'm assuming the thinking behind this design is to avoid your laptop from draining it's battery power without you knowing it is on.

I currently have my MPB plugged into an external monitor, wireless keyboard & mouse and it is connected to power with the lid closed.

No need to adjust the shared internet settings, or really anything other than monitor preferences.

Hope this helps!

Don't know if this has been mentioned before but there is a possibility to use the Terminal command caffeinate. See here: http://www.techradar.com/how-to/computing/apple/terminal-101-prevent-your-mac-fr om-sleeping-1305716

I have been using NoSleep for Mac since late 2011 on my Macbook Air of the same year. It is a free software and it has never once let me down. However, I haven't used it for a year now ever since I graduated, and hence, I wouldn't know if there are updated versions, but I am sure it will work just fine for you.

http://download.cnet.com/NoSleep/3000-2084_4-75363157.html