MBP & Lion with external monitor crashes!

I have a macbook pro 13'' (2011) and OS X Lion. But the mac crashes every time I try to boot while I use an external monitor.
I only get 2 white screens (on the monitor and on the mac), the fan gets very loud and nothing happens anymore.
The only way to boot is to boot the mac without an external monitor.
It's plugged in via HDMI and an HDMI to mini displayport adapter.
The Monitor is a Samsung Syncmaster XL2370HD.
I hope anyone has a solution for me.

I have the same problem. I have MBP 13" and it used to able to hooked up to 23" PHillips Monitor via displayport to VGI. But after installing Lion and after everything connected, my external monitor does not work everytime I close my MBP. Before with S leopard, when I close my MBP and wake the comp using bluetooth keyboard (apple), i was able to wake the MBP and the external monitor displays. But now (Lion) when I close MBP, external monitor shows this error message "Cannot display this video mode, change computer display input to 1280 x 760 @ 60 Hz". Then I opened MBP and I changed the display to 1280 x 760 but when I close MBP, the external monitor shows the same error message.
MBP 13" 2.26Ghz Intel Core 2 Duo with 2 gig of ram.

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Mountin Lion has trouble with external monitors

Not so much a question as a shout-out. Since going to Mountain Lion, my pretty new (February this year) MacBook has been having no end of trouble with external monitors. I use it a lot with the clamshell closed with two different external monitors of two different sizes, one at home, one at work. It sometimes thinks the one is the other, or if I unplug the monitor in sleep, when I later open the clamshell, the screen stays black and I have to force a reboot with the power button. Never had these problems with exactly the same set-up in Lion. Sometimes it also refuses to find a connected monitor or projector, I have to pull the dangle and put it in again.

If memory serves, one of the 'flaws' with BM's hardware is that it will not convert on-the-fly. So if your sequence doesn't match what the TV is accepting, you get black.
For example, my TV will not accept 1080p, only 1080i, so working in a 1080p sequence would produce no image for me as the BM will only output exactly what's in the sequence, it can't convert my 1080p/24 sequence into 1080i/30 for output.
Now I'd expect your TV would have no trouble accepting a 720p signal but, maybe the above data will lead you down a path of investigation.

MacBook Pro won't stay asleep with external monitor attached. When sleep is selected from the Apple menu the computer will go to sleep only to continually wake up...go back to sleep...wake up...etc. every few seconds.

MacBook Pro won't stay asleep with external monitor attached. When sleep is selected from the Apple menu the computer will go to sleep only to continually wake up...go back to sleep...wake up...etc. every few seconds. This only happens when using the external monitor. Does anyone have any suggestions?

Mine does that too. The worst thing is when it goes to sleep, then wakes up and keeps running while the lid is closed and it is wrapped up in a case. I am afraid when the hot weather comes it is going to burn up. I am hoping Apple fixes it in the software or they may have a melted MBP to replace.
Then when I open the lid it is crashed running at fill tilt, pumping out heat to beat the band. I am forced to hold the button down and reboot.
I wiped my hard disk and reinstalled my OS, but it didn't help. I reversed my OS to 10.5.0 and it solved the DVI problem but still won't sleep. This post will probably be deleted by Apple, they did it a few days ago. I just don't know what to do, and I consider myself a real Apple expert. Just hoping you realize you are not the only one.

MBP - late 2007 - external monitor stopped working

I have a late 2007 MBP pro, 17" monitor. I have been using a 30" dell monitor (3007WFP) as an external monitor for home use. It has been working fine for 4 years. Last night the monitor stopped waking up from sleep and now only gives a blank screen even after reboots. The monitor seems ok ( it goes through the self-test routine normally), and I have tried different cables with no success.
I have tried resetting the SMC and the PRAM on the MBP but that too did not fix it.
The monitor has an orange LED light on the power button indicating the power is connected (though it is not blue which would indicate it is receiving a signal). It also recognizes that is has a DVI hook-up (or else it would repeat the self-test).
The MBP detects the external monitor (or at least seems to - it is listed as a display and allows me to choose a resolution, although obviously that does nothing since the monitor is completely black). I haven't yet been able to get another laptop or monitor to test the other components to make sure the monitor is ok.
Does anyone have any other suggestions?
Thank you

Your on the right track when you said "I haven't yet been able to get another laptop or monitor to test the other components to make sure the monitor is ok.". Also include a different cable in that scenario, if you can.
Ciao.

Yosemite: Turning off Macbook Pro screen (lid open) with external monitor connected

Here we go again, this worked pre-Yosemite. Now it seems this trick no longer works. After following these steps again the screen on my Macbook Pro now turns on after logging in and opening the clam shell.
Anyone figure out/know a way to turn off the screen on the Macbook Pro with external monitors plugged in? (yes, closing the clam shell–but I'm referring to keeping the clam shell open with the display turned off)
http://gizmodo.com/5938452/a-trick-to-make-using-an-external-monitor-with-your-m acbook-way-better
To execute in Terminal:
sudo nvram boot-args="iog=0x0"
To undo in Terminal:
sudo nvram -d boot-args
Once you type it into terminal I believe you need to enter your password. I then restart my machine. Now the TRICK is to either restart your machine with the lid already closed (hit restart then slam the lid!) OR turn the machine on for the first time (then quickly slam the lid!) once you are past the login screen you can open the lid.

Has anyone experimented with tip 2 (active corners)? Perhaps it still works.
http://www.cultofmac.com/176329/turn-off-internal-lcd-display-of-your-macbook-ai r-os-x-tips/
Κοσμά τι λες; Τα έχεις μπερδέψει. Άλλο συζητάμε εδώ. Το ότι δεν μπορείς πια να δουλεύεις μόνο με την εξωτερική οθόνη (να έχεις σβηστή την ενσωματωμένη οθόνη όταν έχεις συνδεμένη εξωτερική).

Using the GT70 with external monitor and lid closed

I wasn't sure where to post this question.
I have several laptops and use external monitors. I close the lid on the laptops and the display continues to work.
On the GT70, the system shuts down. It won't allow me to use the external keyboard and mouse or display the session.
Any suggestions if there is a configuration option to allow the GT70 to continue to function with external monitor and lid closed.

Yup. This is a windows setting. You need to go into your control panel -> power options -> "Choose when the computer sleeps" and "Choose what closing the lid does"
That should solve the problem. I currently have my GT70 hooked up to a 42" TV and I can close the lid and it stays on and the TV continues displaying as well. No problems. =]

MacBook Pro with external monitor and keyboard.

Hello, everyone.
I've tried to find the answer for this question but haven't found a clear answer with my Google search.
My older Powerbook G4 will not allow me to work with an external monitor and keyboard with the screen in a closed position. I am about to purchase a new MacBook Pro and would like to be able to use it at home with a larger monitor and keyboard but with the lid closed and its built-in screen turned off. Can this be done ?
How can a MacBook Pro be used (turned-on) with external monitor and keyboard while the lid is closed and the its screen is off ?
Thank you in advance for your answers.
Joseph

Hi Niel,
I have the same problem with my MacBook and I followed the instructions you posted. My issue is that when the computer wakes up after clicking the buttons on the keyboard it then quickly goes back to sleep. I can't seem to keep it awake when the lid is closed. I've been searching for an answer without any luck. Any idea how to solve this problem?
Thanks!
P.S. After I finished posting this message I figured out my problem. While fiddling with my computer and monitor, I inadvertently disconnected the power. After reconnecting the power, I was able to wake my computer and keep it awake. A note to other people having this issue: the computer must be connected to a power outlet to run in closed mode.
Message was edited by: qwertyphd

Can I use MacBook pro A1211 with external monitor, screen has died but

CCan I use MacBook pro A1211 with external monitor, screen has died but computer seems fine

Hmm seems like this model has DVI out. You could just plug a standard DVI monitor into that. Or use the DVI connector (VGA supported with included adapter; S-video and composite video supported with optional adapters) adapter that came w/ your machine.

MBP with External Display Crashes Frequently - DRIVING ME NUTS!

I have 2.66 i7 MBP purchased a few months ago. I love it. As an upgrade from a G5 its nice to be mobile again. I've a SERIOUS issue however:
If i'm working with its single display, things are great but if I plug it into my External Cinima Display (older model from 6 years ago) and run dual screens, it crashes A LOT!
Both screens go completely black and nothing is responsive. I have to hold down the power button to do a hard reboot to get it to start back up. And It can be running for just a few minutes before it happens again. But then it may not happen for a few hours. Its completely random but sometimes it happens during certain actions, like opening a server connection with Transmit or Performing a screen capture with Quicktime.
I took it to a Genius and he ran some diagnostics. everything looked fine. He suggested doing and archive install (reinstalling the system over the existing one) but the problem persists.
I would hate to be out of a machine for a few days to get the graphics card or motherboard replaced but I fear thats where its going. Since it seems to happen only with the External monitor I wonder if its the MiniDisplay Adapter or the Display itself causing it. Is it possible the older display is causing the issue? It certainly shouldn't.
Any feedback is appreciated.

The issue was resolved ages ago but I don't remember how....... sorry.

Is anyone else extremely frustrated with the way that Lion handles external monitors now? My internet speed is ridiculously slow as a result.

I use only an external monitor as my set up will not allow me to use both my Macbook Pro monitor and external monitor efficiently at the same time. In the past, I would plug my MBP into into my external monitor with the lid closed, wake it up and then open the lid with no issues. It was kind of a pain in the rear but at least it worked. Now, opening the lid activates both the MBP and external monitors automatically instead of leaving the MBP monitor off.
This is an issue because, well, look at the speed test that results from simply closing my MBP lid:
Look at that MASSIVE drop in speed. I need to use just one monitor. Upon googling my problem, it seems to be widespread problem. At least there was a way to get around it before the screens autmatically changed...

Support today quoted Apple's engineers as saying it is "expected behaviour" in Lion for the MBP's internal display to reactivate upon opening the lid, even if you want to use only your external display. A new version of the clamshell mode-related knowledgebase article (replacing HT3131) is due shortly confirming this.
This is despite:
- obvious temperature-related benefits that were achievable (under Snow Leopard) by opening your MBP lid whilst continuing to output solely to, say, a 27" cinema display
- wifi connectivity benefits of having the lid open
- the waste of energy and inefficient use of graphics processing power in needlessly running two active screens (ie if running your MBP in clamshell mode would otherwise make it too hot and/or noisy or you need it open for wifi)
- negative longer-term impact on the battery and components from running the MBP hotter than it needs to be.
For any chance of getting the previous behaviour back, we need to ask Apple to change how Lion handles clamshell mode. Options may include changing Lion's expected behaviour or adding a user-selectable option within System Preferences. Now the situation has been clarified as intentional, user feedback on this issue has become all the more important.
http://www.apple.com/feedback/macosx.html
In the meantime, a low strength fridge magnet placed on the inside surface along the right hand edge (perhaps above the Kensington lock slot) may serve to convince a MBP that the lid is still closed. It's not something I'd recommend or do personally, but some others are reportedly finding this helpful in the immediate short term.

MBP 15" , Lion, 24" External Monitor Woe

Hi
I am now running Lion and as many other people, i've noticed my fans are alot noisier now. I use my MBP with the lid closed when at my desk with bluetooth keyboard and mouse and via an external monitor. I've found that i get full 1920 x 1200 res when the lid is closed but when i open the lid (fans going nuts when streaming video and i want to cool her down) it looks like the graphics card cant handle both displays and the monitor resolution drops substantially.
I have also noticed poor wifi performance with the lid closed.
So i was just wondering what other people are doing, i guess the easiest thing is too open the MBP to keep her cool and improve wifi, and then put a magnet on the MBP to "trick" it into thinking the lid is closed which should give me the full resolution for the external display. Its shocking if this is the route i have to take for a £1500 laptop.
Not the most elegant of solutions so please let me know if there are others, its funny, i was 100% happy with Snow Leopard, and now all these little issues seem to be popping up. I guess the poor wifi has always been there but i never noticed it.
Please can someone pass down some experienced advice.
Thanks
Pete

ttt

Parallels with external monitor hang/crashes os x?

Several times now I have experienced a hang (or crash?) with Yosemite which by the way I also experienced with Mavericks, and I believe I've spotted the pattern that triggers it. The hang/crash appears to be related to the use of Parallels, particularly when using an external monitor. If I have my late-2013 rMBP connected to an external monitor (HDMI) at home and launch Parallels, I'm able to run a very-popular-on-x86-PCs OS therein without any apparent trouble. However, if I subsequently shutdown that OS and even completely quit Parallels, then sometimes when I then suspend my rMBP and then get to the office, I will find that my rMBP has either hung, crashed, or otherwise remains in a suspended/sleep state. That is, upon arrival to my office and opening the lid of my rMBP -- and without ANY external monitor attached -- I will find that the screen remains black, no backlit keyboard, nada. It appears as if my rMBP is just off. A simple press of the power button does nothing. I have to press and hold the power button to force a down and press again to power up and boot anew. This doesn't happen all the time, but when this occurs it seems like it's frequently (if not always) on the heels of using Parallels. And, yes, I am running the latest versions of Parallels and Yosemite.
Has anyone else experienced this? Suggestions?

I have the same problem - I'm afriad it seems to be yet another Apple "issue" which they pretend doesn't happen. There's a thread here on it - Re: USB keyboard doesn't work on Thunderbolt display .
I haven't tried their solution, though I would be surprised if it worked!

Problem with external monitor when using Windows XP on MBP

Hi All,
I just got a 15.4" MBP, and put Windows XP Home on it using BootCamp. Anyway, the monitor sits above the MBP's screen, as shown below (set up this way through display props, not sure if it matters):
[ ] External Monitor
[ ] MBP Screen
Anyway, some program windows won't drag to the external monitor (Dell 2007FP connected via DVI). An example is AIM. Any idea what it could be? The window shows for about 1/2" on the top monitor, and then it sticks, even though the cursor will continue to move upwards.
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Mike

Hello Gray:
Welcome to Apple discussions.
It appears from this knowledge base article, that you need a USB keyboard to use Bootcamp:
http://docs.info.apple.com/article.html?artnum=303572
Barry

MacBook Pro freezing with external monitor?

I recently got an external monitor to use with my MBP (early 09). So it seems that if I have my monitor hooked up (and maybe also when my power cable is plugged in) and my computer goes into sleep mode, the whole thing freezes and i have to hard restart my MBP. Is there a reason it is doing this? Also, if i close my MBP, instead of the computer going to sleep, it makes it go into mirror display mode and keeps it running on my external monitor (and sometimes it doesnt even go into sleep mode...). i found this thread - https://discussions.apple.com/thread/3190417?start=165&tstart=0 and it say to use the line:
"sudo nvram boot-args="iog=0x0""
in the terminal to make lion/ML work like SL, but any clue what else that will change?

Hi sgibson,
I'm sorry to hear you are having issues with the external display on your MacBook Pro. I also apologize, I'm a bit unclear on the exact nature or scope of the issue you are describing. Are you using the display in extended desktop or mirroring mode? If you are using it in extended desktop mode, is the issue limited to the external display, or does it also freeze the primary display as well? Does the same thing happen if the display is directly connected to the MacBook Pro (i.e. without the dock)? If you continue having issues, you may find the troubleshooting steps outlined in the following article helpful in isolating the cause:
Apple computers: Troubleshooting issues with video on internal or external displays - Apple Support
Regards,
- Brenden

HP Pavilion DV6; Black Screen & Atikmpag.sys BSOD with external Monitor

Hello Guys.
I have HP Pavilion DV6 Core i7 with ATI Mobility Radeon HD 5650 Graphics Card. Two weeks ago, I started getting continous Atikmpag,sys BSODs. The operating system also started giving me warnings about the hardrive. After a few days, the BSODs got more frequent. Then one day, I was doing normal stuff on my PC and the Display Driver crashed. Instead of recovering, the PC froze. I forced restart my PC but it got worse. The display of my laptop went black. I connected the laptop to external monitor which detected the display. When I tried to load the windows, it started giving me the Atikmpag.sys BSOD on the start up. Now the operating system works fine in the Safe Mode but with nothing on the laptop's screen. The soultions I have tried so far are.
-Reinstalled the windows thrice
-Removed the drivers and installed the updated ones a bunch of times.
-Rolled back the bios to an earlier version
-Removed the hardrive and tried to load it from an operating system installed on external flash drive
-Tried loading the PC with linux on external flash drive
-Opened the laptop and cleaned it thoroughly
-Removed all the components and plugged them one by one.
-Removed the old Atikmpag.sys in system32 folder and expanded it with the latest ones.
-Installed every thing fresh from HP website
None of these tricks have given me any luck yet. The only way, I could use the operating system in normal mode, is to delete the atikmpag.sys file in safe mode and then log on back in normal mode. I also analysed the minidump file through window debugger and it says that atikmpag.sys is causing this crash with the TDR message. I did all these with an external monitor as the display of the laptop is black since that day.
Below are the detailed specs of my laptop.
OS Name: Microsoft Windows 7 (64 bit) Home Premium
Version: 6.1.7601
System Model: HP Pavilion Dv6 Notebook PC
Processor: Intel Core i7 Q 721 @ 1.60 GHz
Bios Version/Date: Hewlett- Packard F.29, 11/7/2011
Installed Physical Memory (RAM): 6GB
Graphics Card: ATI Mobility Radeon HD 5650 1 GB
I have tried almost every solution available on these forums but still have not gotten any where. I am wondering how could the display, graphics card and hard drive stop working at the same time .
I would really appreciate if someone colud help me through this problem.
Thank you
P.S. Kindly ignore my English mistakes as it is not my first language.

Hi Goloono,
Welcome to the HP Forums!
I would like to take a moment and thank you for using the forum, it is a great place to find answers. For you to have the best experience in the HP forum, I would like to direct your attention to the HP Forums Guide First Time Here? Learn How to Post and More.
First I would like to reassure you your English was great, I had no problems understanding you.
I grasp that you are getting a black screen with the error message " Atikmpag.sys".
Here is a link to Troubleshooting Error Messages on a Black Screen that may Occur During Startup or Boot.
Have you run The HP Support Assistant to help with updates and resolving issues.
Here is a link to a Microsoft Community Page with this exact issue. There are some suggestions that may help.
Blue Screen error with atikmpag.sys in Windows 7 .
Here is a link to the HP software and driver page. You will need to input your exact model of DV6 you have and follow the prompts. This page will have the recommended drivers and it will list bios updates. if there are any applicable ones.
HP Drivers & Downloads.
How Do I Find My Model Number or Product Number?
At one point you state you had a hard drive error, to rule that out I would run a diagnostics. SMART Media Test Error Appears when Notebook is Started
Please let me know if this has helped.
Sparkles1
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

MBP & Lion with external monitor crashes!

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