External display and "clam shell" closed lid mode = "Input Not Supported"

I have an Acer AL2016W 20" monitor hooked up to my again Powerbook due to it having a cracked screen. It is working just fine right now, in 1680x1050, when the screen is open. Citing this article,
http://support.apple.com/kb/HT3131
I should be able to close it and have it working as well. When I do close it then wake it, I just get a "Input Not Supported" message on the monitor. Any help?

I'm still puzzled at why it the screen is activated when the lid is closed and woken with an external USB device
That's rather puzzling as the display should not work if the lid is closed. If you have an external drive you're able to install a clean copy of Mac OS X to and boot from you can see if the issue persist there. If it does then it's most likely a hardware issue and you should contact AppleCare. If it doesn't then it has something to do with either your software installation else some utility you've installed.

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External display incorrect resolution when MBP lid is closed

Hi,
I've just bought a 24" Samsung monitor for use with my 2011 MBP. The optimum resolution for the monitor is 1920 x 1080. I ahave it hooked up through a minidisplay to vga adapter. When I have this resolution selected in extended display mode it works fine, however when I close the lid and run the monitor with the same resolution as the main display, the image gets squashed and the screen flickers, I can also see faint lines in the background and the display is not centred, leaving black gaps on either side of the screen.
The frustrating thing is it was originally running fine before I temporarily changed the resolution in display preferences when in closed lid mode. Is there any kind of fix for this?? I know it's not the monitor's fault because it's displaying the correct resolution when in extended desktop and on other systems.
Any help would be greatly appreciated!
Chris

tjk wrote:
chrisfromuxbridge wrote:
So I've tried everything I can find on the internet relating to resetting display settings on mac osx, including resetting PRAM and SMC, tried deleting com.apple.windowserver.plist from the preferences folder, tried starting in safe mode and reselecting the correct resolution (i.e. switching to something different and then switching back to 1920 x 1080), nothing. What else can I try??
Any bossy third party apps trying to control things?
Run Apple Hardware Test, and/or a trip to the "genius" bar.
No thrid party apps have access to my display prefs as far as I know. And the hardware test did not indicate that anyhting was wrong. I would like to leave the "Genius" bar as a last resort, they weren't much help last time...
Ok so moving the menu bar is allowing me to use the external as native desktop, but this doesn't fix the resolution problem when I close the lid even though the resolution in display prefs is set the same. Is it possible then to tell the mbp not to sleep when I close the lid?? I know you can do this in windows. Please note that I am still using Snow Leopard v10.6.8

IChat and Closed-Lid Mode

I found something very interesting in iChat 4.0.8 and Leopard 10.5.7. I run my MBP in closed-lid mode with an external Apple Cinema Display. When in iChat, I cannot do audio chats at all - i.e. no sound input with either of my external interfaces (Apogee Duet via FireWire and Mbox 2 Mini via USB). Of course video doesn't work at all, as the built-in iSight is not accessible. If I open the MBP display, they both work normally. As soon as I close the display, wake the MBP and run in closed-lid mode, I cannot get any input whatsoever. The devices work normally in QuickTime Player Pro, Soundtrack Pro, Logic Pro, Pro Tools, etc. In either mode there IS an input level in System Preferences > Sound as well. I even tried to "trick" the system by using Audio Hijack Pro and Soundflower, but the issue remains. No combo of settings in the Sound preference pane and iChat preferences will allow a signal input.
Anyone else running a MacBook or MacBook Pro in closed-lid mode? Does this issue happen on your Mac as well?
VERY strange,
C

Well...Snow Leopard seems to have fixed this issue.

Turning off closed lid mode

I was wondering if there was a way to turn off the closed lid mode feature. It's the feature that allows you to use your MacBook even when the display is closed by hooking it up to an external monitor, keyboard and mouse. The problem I'm having is that when I close my MacBook to go into sleep mode, I leave my wireless mouse dongle plugged in, when my mouse gets a slight bump the computer awakes from sleep mode and goes into closed lid mode, it's really really annoying. Help please!

This is what you want.
http://www.versiontracker.com/dyn/moreinfo/macosx/30315
Dave M.
MacOSG Founder/Ambassador  An Apple User Group  iTunes: MacOSG Podcast
Macsimum News Associate Editor  Creator of 'Mac611 - Mobile Mac Support'

10.7.3 external monitor "input not supported"

I have an external monitor connected with the Aplle VGA adaptor to my MBP.
It has been working fine for the last year.
Today I installed 10.7.3
And now I get the message "Input Not Supported" on the external display.
Not impressed.
Any ideas or do I have to roll back this update.
Cheers.

OK now it gets silly.
I have also had a problem, since I instaled Lion, that when I open my MBP the screen is black and no amount of encouragement will bring it to life.
So, I have to switch on my external monitor. My deskptop thern appears on the externam monitor, so I select "Detect Displays" from the menu bar and, kazam, my MBP screen comes to life and the desktop moves there.
It only remains for me to switch off the external monitor and wait for Apple to provide a fix.
Now, remember my current problem, in that the external monitor wil not work and shows "input not supported".
So today I opened my MBP and sadness, the screen is BLACK. So I switched on my external monitor and WAHEY! it worked and the desktop appeared on the external monitor.
Excited at the prospect that my problem had somehow magilcally fixed itself overnight, I selected "Detect Displays" and my MBP screen duly appeared and the desktop meved there.
The external monitor then stopped working and showed the message "Input Not Supported"
I also have a related VNC problem that is still outstanding, so I think it is fair to say that there are several issues around external monitors with Lion.

MacBook Pro keeps going to sleep in closed-lid mode and external monitor

I am trying to run the MacBook in closed lid mode with an external monitor. It seems to work fine at first, but after about 10 seconds, it goes to sleep. I can wake it back up but it just goes to sleep again.
Has anyone seen this before?

I figured it out. Apparently you can't run in closed-lid mode on battery. I plugged in the power adapter and it's working fine now.

External Display and Closing the Lid

I'd like to be able to connect my MB Pro to a external display and close the lid without it going to sleep.
How do i do it.

Like this:
http://support.apple.com/kb/HT3131

EXTERNAL HDD NOW DISAPPEARS WHEN USING MY MBP IN CLOSED LID MODE

I have an 15" MBP 2.53 running Snow Leopard, which installed fine. When I go to use it with my Apple 24" Display and my external hard drive, the external HDD disappears when I go into closed lid mode.
The finder freezes too, and I can no longer enter into Time Machine.
The external HDD does show up in disk utility, however.

and please ... STOP SHOUTING!
It doesn't make your message any more relevant or increase the motivation to help you. To be honest, it makes you look like a moron, if anything.
Cheers,
Jazz

Can closed lid mode damage new MacBook display?

I would like to buy one of these new 24" LED Cinema Displays to use it with my new (late 2008) MacBook. Actually I would love to mount the display on my wall in order to use it at a TV with the MacBook (if longer cables are available).
Apple advertises to use the new MacBook in closed lid mode with the build in iSight. Now I heard at my local dealer, that the MacBooks heating can seriously damage the internal display when the lid is closed.
I allways thought that these two devicews are made for eachother. Do I risk to damage my MacBook when using as a video or TV source for several hours? Do I loose warranty?

Thank you Malcom. I read these articles. They describe how you enter the clamshell (or closed display) mode. But I still feel that they don´t not really cover my question: Can extensive use of the Macbook in clamshell mode damage the internal display (for example while watching movies on the connected 24" LED Cinema Display)?
It is just because this guy at the Apple dealer over here (GRAVIS) said something like: "oh - this is the worst thing you could do to your MacBook ..." and: "everybody is saying that ..." and so on.
Has Apple taken specific care of ventilation in clamshell mode on the new unibody MacBooks? Does the heat then flow out of the rear of the machine or is the MacBooks glass display somehow less sensitive for heat?
Thanks again.
Message was edited by: titusm

DVI to VGA Adapter Closed Lid Mode Distorted Picture on TV

Hi
I managed to hook up the DVI to VGA adapter and view on my Sanyo TV. Nothing fancy just a older TV.
I am feeding through the Yellow Video output into the video input on the TV. (Also tried s-video)
Viewing with the macbook lid open no problems. Remembered that I could close the lid.
Followed the instructions online about connecting, closing the lid and waking up using my bluetooth mouse.
First time things went well - able to use Front Row and View Slideshows etc. also steaming video from Safari, (TV Land for my kid)
Then the screen began to flash - and change to black with rolling images.
Like you used to have in the 60-70's black and white TV - multiple images rolling past over and over.
I tried rebooting - starting new connections, using different cables, using both VGA and S-Video directly into the TV and not through my reciever.
Any ideas!
I can't use closed lid mode at all. I must instead, dim my screen.
Help?
Thanks
Buddy

Thanks, BSteely, I have the latest QT and iTunes already. Closing the lid seems to kick the MacBook external display into some special mode that Front Row can't display videos in. For example, you get the Front Row interface, but as you select movies/TV shows, the preview window on the left side is blank. Open the cover, and have both displays going, and you can see the previews fine (and of course, you can see the movies/TV shows play fine as well when you click on them)
Running Quicktime Player full screen works fine without Front Row in either open or closed lid mode. So it is apparently something wrong with Front Row itself.

TV + Closed-Lid Mode?

Is running in closed-lid mode on the MacBook using a television with the Apple Video Adapter supported? I can't get it to work properly.
Brian

Make sure your power saving settings aren't unusual - I find normal works fine. Configure your external displays with the lid open and then with the power cable connected try closing the lid. It will fall asleep immediately - let it. Then when the light throbs try waking it back up again with the remote... It works for me, but it did try my patience before I came up with a routine that I was happy with.
Also - how do you connect your TV? My TV has a monitor / DVI out and it's quite happy with that. I shouldn't think that S-Video should be too different. Has anyone tried with S-Video? Hope this helps...
macbook 2.0Ghz Mac OS X (10.4.8) 2 Gb RAM

Closed Lid Mode in Boot Camp...

Hey guys.
Before I go and splurge on a 24" external display...will it be possible to use something like closed lid mode under boot camp?
Will also want to be able to use a bluetooth mouse and keyboard
cheers

Hi V.K., I followed the reset steps for PRAM and the problem still exist. Could this be the battery's problem? BTW, my laptop is still fairly new, got it in December.
Thanks for your help

Closed-lid mode USB devices disconnect randomly

I just recently connected my MacBook Pro to my Samsung DLP HDTV and started running it in closed-lid mode so my TV is the primary/only display. I also have an external hard drive (USB), external mouse (wireless with USB toggle) and the new Apple bluetooth keyboard.
The problem I have isn't entering the closed-lid mode. But once in closed-lid mode (after a short period of time) all of my USB devices disconnect and then reconnect. I know this because I get an error saying that my hard drive was removed improperly (please eject before disconnecting, etc) and I also get a message from my mouse software saying that my mouse has been disconnected. But then they reconnect themselves (hard drive shows up again on desktop and mouse software informs me that the mouse is present again).
Has anyone had this problem before where USB devices disconnect in the closed-lid mode? I just upgraded to Leopard (formatted the drive and started from scratch). I never tried this within Tiger so I don't have that for a reference. This is really annoying because I have my entire music collection on the external hard drive and it just stops playing when this happens and I have to restore the path to my music collection within iTunes' preferences (it defaults back to ~/Music/iTunes/ when it figures out that the hard drive is no longer there).
The strange thing about this is that when I don't run in closed-lid mode this never happens. I'll be more than happy to provide more details if needed. I greatly appreciate your help.
Thanks!
Mike

i appear to have the same problem under Vista (via Bootcamp) on MBP (2007). i close the lid, and 5-20min later i hear the sound a USB device makes when it disconnects, and a minute or 5 later it reconnects. i don't actually have any USB devices plugged in, but there are several components in the MBP that are connected internally via USB (DVD drive, etc).
what's almost as annoying is that the LCD backlight will come back on of its own accord, even though the MBP's been idle for more than the LCD/backlight time-out period. after the next idle timeout it turns off, only to turn back on againa while later. i see this under OSX & Vista.

External displays and projectors

I've been having problems getting my MacbookAir (Mid 2012) running OSX 10.8.2 to use external displays and video projectors via VGA and DVI adapters.
The problem is that if I am connected to my external monitor and disconnect the magsafe power adapter, the displays (both the external monitor and the macbook builtin display) instantly go black/shut off. If I close the macbook lid and open it, the displays come back momentarily but then switch off again.
If I connect a video projector via VGA while running on battery power only the displays come on momentarily and then switch off / go black/blank. Opening and closing the lid causes the displays to come on momentarily but they quickly go black/shut off again.
I found a work around for this as follows:
- I had my displays set such that the external display was to be the "main" display (the display with the menu bar at the top and dock at the bottom)
- I changed the settings so that the bultin display of the macbook was always the "main" display (using the system preferences option for displays and dragging the menu bar over onto the icon for the macbook builtin display)
- With it set so the macbook's builtin display is always the "main" display it will now connect to external displays with and without the magsafe power adapter being connected- problem solved.
I think there is a bug here and it should be fixed.

Lukewarm13 I think you should start your own post with that question! personally I think you have a faulty unit.
Did some more testing. My wifes laptop will connect to the projector when using a different (short) vga lead and works fine. Then I can switch to the long cable and it still works fine! BUT if I restart the computer it again fails to work with the long cable until I have used the short lead first. weird!!!!
My laptop works fine first time with either cable!

External display and sleep issues

A 15-inch MacBook Pro worked fine with an external display and keyboard prior to the 10.5.2 update. After the update the external display goes dark when the laptop is closed. Hitting the external keyboard momentarily wakes up the external display but then it almost immediately goes back to sleep. It's as if the MBP thinks it's in battery mode and not plugged into an AC outlet.
All Energy Saver settings are to keep the display awake. Could this be a corrupt driver or some other issue?
Thanks.

Theres been a lot of disscussion about this and it's a BIG problem. Check this out:
http://discussions.apple.com/thread.jspa?messageID=6597635&#6597635
http://discussions.apple.com/thread.jspa?messageID=6669894
A lot of us are having the following problems after the graphic update:
-not waking from sleep (waking, but display staying dark, restart is only solution)
-not being able to use in clamshell mode (with external monitor)
-not being able to run external monitor at full resolution
I've also had some weird bugs like the settings and calibration of my external somehow coming over to my MBP monitor after disconnecting the them.
I hope Apple can fix this.
Tim

External display and "clam shell" closed lid mode = "Input Not Supported"

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