Clamshell Mode Has Changed?

Okay, So I am enjoying Lion very much, it's a pretty sweet upgrade. However, I've run into a big problem and it's a feature I loved in Snow Leopard and it works under Windows 7 (BootCamp) as well, In Windows 7 I can just easily choose what Display I want to use, why Mac OS X doesn't have this feature is beyond me.
So I'd go through putting my Macbook Pro into Clamshell mode, and wake it with the Apple Keyboard, but after I've turned the Macbook back on, I'd open the lid to help keep my MacBook Pro running cooler, this was when I was on Snow Leopard...Now in Lion, everytime I open the lid the built-in display turns back on!
MacBook Pro 15" it's the model with the Thunderbolt Port, and the external monitor is using HDMI.
Anyone know of a solution to turn off the Built-In Display like Snow Leopard did?

I also have the same problem. There were big operating temperature improvements to be gained by running the MacBook Pro in clamshell mode with the lid open (but the in-built screen still turned off) as opposed to closed whilst using a 27" LED external display under Snow Leopard. Other uses have reported performance improvements, too.
The instructions for how the internal display is supposed to behave whilst in clamshell mode remain unchanged here (last updated May 2011): http://support.apple.com/kb/HT3131?viewlocale=en_US
I have just upgraded to Lion and am appalled to discover that I can't now open the lid of the MBP without the display springing to life. I neither want nor need two displays live at once!
Apple: PLEASE provide a fix so that the display setup behaves like it used to under Snow Leopard. It's summer time and I have no aircon, so this is pretty urgent from my point of view!

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This laptop was recently attached to an external display and all was fine - running in either mirror or non-mirror mode. When I last saw it it was set to mirror mode and the lid closed to effect "clamshell" mode.
Recently however it has got into a state where the built-in screen display is not recognised. The external display is OK. If the external display is disconnected the MacBook will go to sleep regardless of the lid being open or pressing keys etc.
On a reboot the laptop screen will show everything OK up until a few seconds after completeing the login phase - then it goes black.
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I have reset the PRAM and SMC, rebooted in Safe Mode, deleted the display preferences plist file, run the Apple Hardware Test - all with no change to the symptoms.
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I had a similar issue where my Late 2008 Macbook would get stuck in closed clamshell mode after connecting and disconnecting an external display, or just closing the lid. Only rebooting the machine would bring back internal video.
External video continued working via the mini displayport, but the internal display would stay black no matter if the external display was connected or not. I was also unable to adjust the display brightness from the internal keyboard, pressing the F1 and F2 keys had no effect (even while holding fn key). Resetting PRAM and SMC had no effect.
I resolved all aforementioned issues by replacing the HDD Bracket with IR/Sleep Cable. This can likely be done fairly cheaply at a local Apple Store.
I might suggest first having the HDD Cable and or IR/Sleep Cable reseated on the main logic board, before replacing anything.

Mid 2010 27" IMac Target Display Mode has stopped working

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Since I have no other monitor that supports the mini DisplayPort on the two other machines, I am dead in the water at this point.
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When the display only shows the background, it's working in extended desktop mode. That's a logical extension of your desktop to the right of the MBP. Drag an application off the MBP to the right and it will appear on the iMac. When you close the lid of your MBP the iMac becomes the primary monitor in Clamshell mode.
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This is a very looooong story, but here's the short version of it (I swear). I can add more details as needed. And there is definitely a question at the end.
And I should preface this by saying I am a novice computer user, and really don't understand how hard drives, or permissions, or any of that stuff works.
1. Two weeks ago my mid 2011 17" top-of-the-line macbook pro wouldn't wake from sleep upon opening from clamshell mode (familiar story to many)
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3. Powered back up and got spinny rainbow no matter what I clicked. Took 10 minutes for any single action to respond, even opening text edit.
4. Could not force quit, could not restart, system eventually froze
5. Did another hard shut down
6. System would then NOT boot normally
7. Booting in safe mode showed invalid node errors
8. Was able to get the OS to work, was preparing to do a backup, and in a "smack my head later" move, I closed the lid not thinking, when I went to the other room to get something to drink (had I know what was to come, that drink would have been a double gin & tonic). MBP not wake up again. Again- hard shut down.
9. This time would not boot at all- even in safe mode, even running repair disk permissions on screen while booting. Would get to the end of booting and just die- not start, not finish, nothing.
10. Brought to apple genius bar. They confirmed the hard drive had failed. They replaced hard drive for free (with the exact same model and make of drive!! TOSHIBA MK7559GSFX. Thanks for instilling more confidence apple!!)
11. I brought my failed drive home and swapped it out with the drive in my 2008 15" macbook pro, which is where it has been living since then.
12. Fired it up in target disk mode with my iMac, and the drive never appeared as an external drive/device. Tried this multiple times after multiple restarts
13. Booted the 15" mbp to Lion's 'over the air' recovery, and was able to get disk utility open that way
14. Will NOT boot from the drive (get the apple logo, the spinny circle and the bar that never progresses, no matter how many hours/days I leave it for)
In the past week I have:
used DiskWarrior (says drive is damaged and can't be repaired)
used Data Rescue 3 (which I was getting error messages with too but now is telling me it can't do anything because the drive is the bootable drive, and not an external (presumably because it's in the machine?)
In Disk Utility I have verified permissions, repaired permissions, verified disk and repaired disk. They all report errors, including repair disk, which tells me the drive is damaged and can't be repaired. (I get it, I have a bad hardware problem)
booted from Lion-installed external travel drive, to try and have the drive be recognized
attempted to run Drive Genuis 3 with no success
attempted to create a new image using both disk utility and one of my software programs (don't remember which) with no success
attempted to restore disk image using disk utiltity with no success
am now running Stellar Phoenix 'recover lost volumes' with what appears to be success- it has found 5 lost volumes, but appears to be only 1/15th of the way done after about 24 hours. I'll let it run intil it's done- however long that may be. I have no idea what happens when it ends.
Now, here is where the story gets interesting.
For 5 days the drive would not only not boot, but it wouldn't mount either. It just didn't exist. There was no information on the drive in disk utility, and I couldn't access it no matter what mode I chose.
BUT THEN, sometime shortly after hitting 'repair disk' about 12 times (getting failure messages each time), it mounted. Wahoo!
Not only did it mount, but it has been mounting reliablibly each time after many restarts, using an external drive loaded with Lion as the boot drive.
AND, now the drive's S.M.A.R.T. status says it's verified- both on the main Toshiba drive and the volume that contains my user account. It also shows the correct GB of data on the volume: 316.73 GB.
I can also run verfiy permissions, which completed successfully.
AND, I was able to click on the volume name (Louise. My iMac's name is Thelma. They work great together, LOL), and see the contents on the drive!
First, when I opened the applications folder, it showed it as empty. But then I left it alone for about 5-10 minutes, and suddenly all of my apps appeared in the folder. Awesome!! There were a few in there I didn't have on my iMac, and didn't purchase through the app store, so I backed those up right away to another external hard drive I had plugged in.
This was surprising and encouraging until I got to my user folder- 'jamie'.
I opened it and it too shows as being empty. Zero kb. Left it alone for a long time, but sadly no files appeared. This was a few days ago- still no files appearing.
To make this clear- my main user folder- called 'jamie'- says 'zero kb', 0 items. This is the folder that houses all of my documents and image files.
BUT, disk utility, and Stellar Phoenix, and Drive Genuis 3 all are reading 'Louise' and telling me the data is there- 316.73 GB worth. I just can't see it.
So I realized this may be a problem with permissions because I am using a new- different- user account. I was also thinking that if I could show hidden files, I might be able to see something in the folder that might help. So I downloaded TinkerTool and selected 'show hidden and system files'. No dice, still empty. Then I right-clicked on my user folder to get info and under 'sharing and permissions', the users, and the settings at the bottom are greyed out and I can't change anything.
In system preferences, the user for the failed drive does not show at all, and when I try to add it by using the same name and password, it tells me the user already exists.
Now I'm stumped. I feel like I've made progress and am getting close to getting the contents, but not sure what to do next, or if I'm fighting a losing battle.
Here is what I am doing now:
I am going to let Stellar Phoenix finish finding lost volumes, because it's the only app that seems to be doing anything.
I purchased an external drive enclosure from amazon (this one: http://www.amazon.com/gp/product/B00655YT9C/ref=oh_details_o00_s00_i00), which I will be receiving on Monday.
I'll pull the drive out of the 15" mbp and put it in the new external enclosure and will then try to run Data Recovery 3 on the drive
If that's unsuccessful, I'll try DiskWarrior again, and/or maybe one of the other software programs
And then if those don't work I guess I'm done.
Based on the information I provided, do I indeed have a failed hard drive, and will NOT be able to recover the contents of my drive, and am SOL and am just wasting my own time?
Or is there a way I can get the files in my user account to show?
I wanted to provide all of the backstory on this first, instead of just saying "user folder empty" in case the backstory helps someone know what's going on.
Anyone want a crack at this? I can upload screen grabs if that helps. Insight? Suggestions? Ideas? Thank you in advance!!
================================================================================ ================
BTW: about backing up. I am diligent about backing up and always have redundant backups of everything (I'm a professional photographer). I DID have my mbp fully backed up via Time Machine to an external drive, but due to my iMac ALSO failing recently and needing repair work, I had to wipe the drive clean and do a full backup of my iMac, which filled the last drive I had left, because I also recently purchased a Canon 5D Mark III, which produces insanely huge RAW files which helped completely fill a single drive I had used to back up both the iMac and mbp. Couple that with writing a book under deadline for a major publisher and not having time to research or purchase another drive, and a failing macbook pro drive a short time later and it was the perfect storm- a total cluster.
(Also, tried Data Rescue 3 on the external drive that DID have the mbp backup on it and was unsuccessful).
The good news is, since the hard drive was less than a year old when it failed (again, thanks Apple!), and it was all mirrored content to my iMac to begin with, (most of which I would pass over to the iMac whenever I had the chance), only about 15% of the data on this failed drive is data I don't have on my iMac. Unfortunately it's all documents- word docs, pages docs, text docs, excel docs, that can't be recreated, including, what I think is the funniest blog post I've ever written. Sigh...... No client work or images thank god, But still. I really want it back.

u can give try to using external enclosre and backup ur files. I hope u will get files back. or using external enclosre with ur hdd boot into Linux and try to mount ur harddisk.
there are multiple no of tutorial to mount apple partion in Linux.

Solution to Closed-Clamshell Mode in Lion

Hello all!
Lion has changed to default behavior of the internal screen from the old functionality in Snow Leopard. Previously, in SL (Snow Leopard), a Mac with an internal screen could be connected to external mouse, display, and keyboard and be ran with the external as the primary monitor WITH the laptop screen open. It is important to keep the screen open on laptops to release heat. Here are the steps to restore this functionality in Lion:
I have found that this command in Terminal restores Snow Leopard functionality in Lion to closed-lid/clamshell mode.
1. Open up Terminal in /Applications/Utilities
2. Type the following command: sudo nvram boot-args="iog0x0"
3. Press return
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5. Type in your password to confirm and press return.
6. You should see Terminal move to a new line.
7. Restart your Mac and the Snow Leopard functionality should be restored!
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hi Luke20333,
Thanks for the info, really appreciated it!!
But I think there's a little mistake in your instruction. It didn't work for me at first, but with a little googling I found the one that did the trick:
instead of:
sudo nvram boot-args="iog0x0" (step 2 of your instruction)
I used:
sudo nvram boot-args="iog=0x0" (= sign between iog and 0x0)
Now I can close the lid of my MacBook without having to think if it's connected to an external monitor or not. Much more natural, like what we expect from Apple products...

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I'm trying to use my mid 2010 Macbook Pro in clamshell mode with my Sanyo TV as a monitor. I have an external keyboard and mouse and I keep it plugged in when trying to do this. I have tried with mirrored and seperate displays, both with the TV as secondary and primary display, and whenever I close the lid the TV suddenly says that the input resolution has changed and is out of the range of the TV. I have tried changing the resolution on both the TV and computer when both displays are active and it has made no difference. Is there a way to make this work or a way to keep the computer from changing the output resolution when I close the lid?

I have discovered that the issue is that the computer won't wake from sleep mode. I still have no idea what the problem is but it also occurs if I put the computer to sleep with the display open.

Disable clamshell mode via Terminal

Hi everyone.
Is there any way to disable "clamshell mode" and avoid my MacBook Pro waking up seconds after I close the lid?. I always use my MBP17 with a magic mouse, usb hub, external monitor and plugged magsafe but using both screens at the same time. I just would like to close the lid and enter sleep mode while I go away from my mac for five minutes without having to unmount drives, unplug magsafe and turn off mouse. It's crazy!!. I still can't believe there is no preference for that.
I know thats the wanted behaviour for using the external display with the macbook screen off but I just wanna send my mac to sleep for God sake!!
Thanks in advance and excuse my poor english.

Your English is much better than that of some native English speakers who post here.
Your MBP's waking up immediately after being closed, without your doing something to cause it, is *not a feature of clamshell mode.* In clamshell mode, the expected behavior is that the machine will sleep when the display is closed, and you will then wake it and bring the external display into operation *by pressing a key on the external keyboard.* If you don't do that, it stays asleep. So clamshell mode doesn't need to be disabled to stop the behavior that's annoying you, because that behavior has nothing to do with clamshell mode.
Instead, you need to determine which of the devices you are using with the MBP is interrupting sleep. This is nearly always caused by a USB device that doesn't understand sleep, and tries to communicate with the computer while it sleeps — which causes it to wake up. It may be your keyboard, your mouse, an external drive, a printer, scanner, ExpressCard device, Bluetooth cell phone, or even an SD card in the built-in card reader, if you have one. So first turn Bluetooth off and close the display to test for a change in behavior. If the MBP still wakes up a minute later, that wasn't the culprit. Disconnect your other peripheral devices one at a time, testing again after each disconnection, until you discover which device is responsible.

Mid-2010 MacBook Pro stuck in clamshell mode?

I asked a similar question to this earlier, but now the problem has been more consistent. I have a mid-2010 MacBook Pro that I often use with an external display, plugged in via mini-DVI to HDMI adapter. The problem is, after I've unplugged my macbook to "go mobile" and am away from my display, if I ever have to restart my computer or boot into Windows 7, my computer will think it's still in clamshell mode. The screen will stay dark, and if the lid is closed, the white light will stay on steadily, not pulsing. However, if I plug into my external display when this is happening, the external display works fine and I have a display again. When I look up my displays while connected to an external display while this is happening, my internal display isn't even listed in the system report; it's like it doesn't exist! And this is especially a problem now as I am away on a 3 week school related trip.
I have not been able to consistently reproduce this problem. Sometimes it restarts normally, sometimes I restart it and get the gray + apple logo screen that then goes dark, and sometimes the internal display just never turns on. The problem doesn't seem to be related to an OS, as it happens when booting into Windows 7 OR mountain lion 10.8.5. I've tried resetting PRAM mutliple times as well as performing an SMC reset multiple times, and neither has helped. This even happened when I was booting into a mountain lion install USB, as I thought maybe a fresh install would help. I've seen many other forums discussing a similar issue, but none described quite like mine.
What gives?? How can I get my macbook to restart normally? I really don't want to have to make a repair, even though it's looking like a hardware problem. My computer is one month after Apple Care has expired, and I can't afford a pricey repair as I'm a very in debt student who only has a MacBook because his school gave it to him in the first place. I would be very appreciative for any suggestions and/or help! Thanks!

Hello thedoctor8706
Reset your NVRAM and test to see if that resolves your issues. Typically that will resolve video, volume, startup disk selection, and kernel panic issues.
About NVRAM and PRAM
http://support.apple.com/kb/HT1379
Thanks for using Apple Support Communities.
Regards,
-Norm G.

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Hi,
I'm working on a form and need to know if an item value has changed without compare it with database_value of get_item_property. there is a button <save> on the form and i want to know when user click again and again on button save if this item value has changed. thanks for your ideas.

Tabit7 - Posted: Apr 9, 2011 12:15 AMbut sometimes in query mode, the item is not navigable and its vallue changed and the prev_value did not work, perhaps the w-n-i-i do not fire>
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HamidHelal - Posted: Apr 10, 2011 9:27 AM can you please give an example of u'r idea ? >
First, create a variable that is visible to the entire form. Many people would simply use a GLOBAL variable, but I do not like the limitations of GLOBALs and I don't like the fact that they are visible to the entire Forms sessions, not just my form. I prefer to use a Forms program unit (PU) Package Specification so I can explicitly define the variable data type (eliminates the need to cast the GLOBAL to the correct data type) and the variable only occupies the amount of memory needed to support the variable. Also, when I exit my form, the variable is automatically erased.
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END Form_vars;No that I've created a variable to store the Previous Value of an Item, I can write code to use it. I will use a Form Level When-New-Item-Instance (WNII) trigger to ensure I capture the value exiting value of the item before any changes.
/* Sample WNII trigger */
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END;This is a very simple example. There are many other ways to implement this method; such as using the Pre-Text and Post-Text-Item triggers as Abdetu suggested.
Craig B-)
If someone's response is helpful or correct, please mark it accordingly.

Clamshell Mode Has Changed?

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