10.9.4 update made external display unusable at wake-up

I have just updated my iMac to 10.9.4.
I left my desktop for some minutes, and when i was back, i woke-up the iMac by clicking the mouse.
The external display, connected via a display-port to HDMI adapter, did not wake up.
The iMac display started showing the main display contents and the second display contents, forever.
The only way to restore normal functionality was turning off and then on again the external display.
I closed all running programs and rebooted but the problem persists: i cannot use the sleep anymore.
Any suggestion (but reinstalling, please)?

to fix the problem i have to open the "System preferences" application and choose monitor, or to power off then on the 2nd monitor.

Similar Messages

External Display doesn't wake from display sleep

My display is set to sleep after an idle period (computer itself set to not sleep), when I return to the computer and wake the displays the external display most of the time does not "wake" or come back with picture. I need to disconnect the adapter and plug it in again.
Anyone else experiencing this?

Guys, please read THIS thread:
http://discussions.apple.com/thread.jspa?threadID=1760586&tstart=0
EVERYONE is experiencing this bug if you're using your new MacBook Pro with an external display. In the thread above, I detail how to fix it without having to unplug the DisplayPort adapter.
The symptoms you're experiencing are:
1.) Bizarre interference all over the external display when either a) waking your notebook from sleep, or b) turning screen on if the screen is set to turn off after x minutes.
2.) External display not actually turning on at all after either a) waking your notebook from sleep, or b) turning screen on if the screen is set to turn off after x minutes.
The fix is listed in the above thread. It's only a temporary workaround, and Apple REALLY needs to address this issue ASAP.

MBP+External display - slow to wake up and re-recognize the 2nd screen

I am looking for a workaround to a minor annoyance that our windows counterparts don't suffer...
When I connect an external display to my MBP The MBP display goes blue, then the external one does and finally both are back to normal and I can see apps, background etc..
Not a big deal, until my laptop goes to sleep.
When I wake it, it goes through that whole routine again.
I assume this is a 'rediscovery' going on.
Is there any way to keep it from doing this when waking from sleep?
I promise not to secretly replace my external display for another while the machine is sleeping!

I promise not to secretly replace my external display for another while the machine is sleeping!
But that's precisely what the Mac thinks is going on. What happens if you power cycle the monitor immediately before waking the Mac? Does it alter the behavior?

Update made graphics display funky

I just updated my MBP 2.2 with the software update released yesterday. Now my display is 'uneven' and warps when I run my mouse over anything. This happens at all resoloutions and on both the internal LCD and my attached LCD.
This is highly frustrating and makes the system nearly unusable. Has anyone else seen this type of error? Does anyone have any tips or suggestions?

Update: it seems to "kick in" after I've logged in and my apps are loading. Could this have to do with Parallels or Chicken of the VNC?

The new Safari update made my Laptop unusable

Good day m'dears,
I have a HP Pavilion dv 9000 lap top running a fully updated Vista OS. The update slowed the LT down to a crawl and I could not use Facebook or type emails in Outlook 2007.
I have now unloaded Safari and put on Chrome, the LT is running better than I can ever remember it.
So very sad to relate this, as I love using Safari and really miss all it's functionality.

Which OS X is installed on your Mac ?
Click the Apple () menu top left in your screen. From the drop down menu click About This Mac.
The version is noted there.

MBP 10.8.2 with external display freeze on wake up.

The external screen is black, when i open the lid the mouse pointer is in "thinking" mode, and i can't do anything but power off/on.
Any help will be appreciated.

someone?

External display problem after 10.8.3 upgrade

After applying 10.8.3 Combo Updater, the external display would not wake up after the computer resume from sleep.
Mac: MBP Retina 13" Late 2012
Display: Acer S230HL
Connection: DisplayPort - DVI cable
Please fix it Apple!

I have used an Acer S230Hl on three Makbook Pros via the VGA wire and a thunderbolt adapter. No problems at all with 10.6, 10.7. Worked perfectly.
With 10.8 the display would not wake up from sleep, most of the time. I found an annoying work around that helped maybe 70-80% of the time: unplug the VGA+adapter monitor feed, and then go to system preferences>>displays>>Color>>open the S230HL profile and then simply plug the monitor back in. I also delayed the sleep feature for 2 hours to prevent the problem, but it happens most of the tiem when I close the lid or put the machine to sleep manually.
Now with Maverick (10.9), even this elaborate this trick does not work. Why the loss in compatability Apple? I've called applecare twice and the techs have not been able to help--and now are not responding or calling me back. Having to reboot my mac 3-4x a day is a major problem. Anyone have ideas for me?

External Display only with VGA Adapter working

Hello, I'm german so sorry for my bad english
After updating to Leopard 10.5.2 and installation of the Leopard Graphic Update, my external Display isn't working with DVI anymore. If I plug it in, my desktop flashes and I also get the monitor information tab of my external Display (Name and Settings correct). But the Screen stays black as in power saving mode. If I use the DVI -> VGA Adapter, everything works fine...
Could that Problem be realted to the new Updates?
I've also checked every hint of that Forum (PRAM reset, deleting Preference Files, trying to boot with closed MBP, ...), nothing worked for me. The Problem also occurs in Bootcamp! The external Display is recognized fine, but will not display any image, only if I use the Adapter.

According to Apple support, it is "expected behaviour" under 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:
- the obvious temperature-related benefits that were achievable (under Snow Leopard) by opening your MBP lid whilst continuing to output solely to a 27" cinema display
- 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)
- the negative longer-term impact on the battery and other components from running the MBP hotter than it needs to be.
If you would like to have the previous behaviour restored, please consider lobbying Apple to change how Lion handles clamshell mode. Options available to Apple include changing Lion's expected behaviour or adding a user-selectable option within System Preferences.
Feedback should be submitted here:
http://www.apple.com/feedback/macosx.html

External display no longer detected

I was prompted to install the iMacEFIUpdate1.7 & ThunderboltSoftwareUpdate1.1 automatically this evening and after the update my external display is no longer being detected, before the update everything was working fine. Its connected from one of the thunderbolt ports to an HDMI port on the display
I've tried to manually install the updates again, the ThunderboltSoftwareUpdate1.1 installed again with no errors but the EFI update pkg will not run, if gives me a message saying that 'The software is not supported on your system.'
I've rebooted numerous times, tried different display ports and a different cables but nothing seems to work. Any ideas would be greatly appreciated.
(I'm also running 10.7.2 on a 3.4GHz intel core i7, not sure if that helps)

I too am having issues getting external display activated for two different animation programs. One worked for a while, then the "Full Screen" option failed. It did not work on the other animation program (Modul8 & Arkaos). I'm on MBP and upgrated today to 10.5.6 which could be the source of the problem. I don't know what other connector to get between the cable from the monitor into the computer. Also, the output window (in Modul8) no longer works, even without full screen mode activated. I've quit program, rebooted, turned off monitor.
I've another cable for video projection I may try later.
External monitor is seen by system and is otherwise functional.
Help! I've work to do. Thanks.

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 is pixelated

After the 10.6.8 MacOS update, the external display via the Thunderbolt port is extremely pixelated. Everything looked great prior to this update and I have seen others complain about this too.
Anybody at Apple Support care to comment?
Paul

Hi Paul,
This is not "Apple Support." This is a user to user forum. You could make an appointment at a "genius" bar and you would be talking to Apple employees. You can also give them written feedback here:
http://www.apple.com/feedback/

X1 Carbon USB 3.0 dock and external display

Following installation of a series of optional updates, including a BIOS update, my external display (connected to the USB 3.0 dock/port replicator, ref 0A33972) is no longer detected. I get an error message "Displaylink USB graphics software is not compatible with this graphics card or operating system. Please visit www.displaylink.com/software and check if a new software version is available". However, a newly downloaded driver won't install, giving an error message saying I need to use the OEM driver update system.
The Update History showing what I installed yesterday does not include any reference to a Displaylink driver.

Install: https://downloadcenter.intel.com/Detail_Desc.aspx?agr=Y&DwnldID=21129&lang=eng&wapkw=usb+3.0+driver
Reboot your machine post install, go into the BIOS and set USB 3.0 to enabled and NOT auto.

MBPro won't detect external display on DVI

Hi Folks,
I have a strange problem that gives me quite some headache:
Is use a MacBook Pro 3,1 2.2 Ghz, 4GB RAM, 128MB NVidia something together with a Samsung SyncMaster 215TW.
For the past year I was using my external screen without any trouble, connecting it via DVI to the mac. Every night I turn down the lid putting the notebook in sleep mode and switch off the monitor. Exactly as I did yesterday. But this morning however the external display didn't wake up as usual it did just nothing - was not even detected via the detect display function. And this is still the case right now.
So when I plug (or unplug) the DVI to the external something is still going on. I get the blue screen (don't get that wrong that used to appear just before it would expand the desktop to the external screen, but then it switches back as if there would be nothing connected.
No relevant entries in any logfile. System Profiler shows "Status: No display connected". The display itself says some no connection message if unplugged and - get this - falls to sleep mode right after I plugin the dvi connector to the mac.
I tried all this:
-reboot (with display connected & without display connected and all other imaginable combinations) - no positive result
-the display via DVI-VGA adapter works (but the image is not as nice unfortunately)
-reset PRAM (boot with optioncommand+PR)
-reset the entire thing (no power, no battery and hold the powerkey for 10 secs.) nothing
-connect some other external display to the mac via DVI - works perfectly
-connect the display via DVI to an other macbook pro computer - works perfectly too
-hard reset the display via the (red) support menu - no result
-an other DVI cable - no result
-booted from the leopard install cd - same thing
-booted from an other harddisk with 10.4.10 (removing the internal disk)- same strange behaviour with the old system
-booted ubuntu linux 8.04 - even here the same problem X doesn't recognize the external display if it is attached to the DVI port also no entries to the logs here.
-SwitchResX and tried to reset the display setting from there (vendor id 4c2d & product id 213 & 214) but still no success.
- called the apple support and my distributer of trust - no ideas but could be a hardware fault (mmh ok... but why do all other display I tried work perfectly with that beast of macbook pro but not any SyncMaster 215TW?!? that worked great for the whole last year)
I guess the macbook had a very bad dream that very last night about mac eating foo-bars that crawl through DVI cables from any 215TW display.
As for now I have a date with the local apple service partner -- in three weeks (it's holiday time in g.o. germany). Don't know what to tell him: Probably I'll need to go there with the screen to show them the entire scenario. Hopefully they (still) think it's a problem with faulty apple hardware (or system software) and replace the logic board.
But I'm still in hope! Is there anybody out there having an idea with what I could try next to bring back the love between my macbook and the lovely 215TW display?
greetings,
brutus banane

I have recently bough a new Macbook Pro 15.4", it worked first time with a Samsung Syncmaster 2493HM but after a few days the 'detect display' utility ceased to connect, then a short while after on start up I was getting a blank screen with a flashing folder with '?' on it, preventing me from booting up successfully.
I tried the reset p-ram, didn't work then I tried an archive install of OSX and that ironed out all the creases - for a day, there has been no flashing folders on start up but the Samsung has failed to be detected and this morning wouldn't work no matter how many restarts or cable disconnecting attempts.
So I called Apple helpline, told the guy what had happened, he mentioned to try the install discs again with the display connected to see of the MBP sent a signal to it, after choosing the language in the OSX installer, the display was once again recognized! I didn't have to proceed any further with the install discs so quit, reset and ejected the install discs and all seems well again.
For how long i wonder?
I have no idea of this will work for anyone else but it works for me at the moment.
Interested to see when and how this finally gets solved!
T.
Message was edited by: Tyke Tyler
Message was edited by: Tyke Tyler

Update to 10.6.8 colour problems with external display

I have a mid-2010 13" macbook pro. I use a mini DVI to HDMI adaptor to connect to my Philips LCD TV. It has always worked perfectly including audio. Since update to 10.6.8 (yesterday) there is a colour-cast on the external display that makes it unusable. I have tried a hard reset of the mac with no effect except that the colour cast changed from green to red (strange!).
Anyone had a similar problem or have any ideas how I could solve it? (no time machine so I can't downgrade unfortunately)

Though I am using and iMac 27 and not a macbook, I have the similar issues since the 10.6.8 update.
I too am using the adapter to connect to a Philips 42' LCD.
You can see my post here: (has a pic of what my TV image now looks like since update.)
https://discussions.apple.com/message/15488605#15488605
I ended up going back to 10.6.7, not a fix, but no other alternative..
I used to have this problem a year ago on a PC that happened to have the same ATi Graphics card. I just used the ATI control center and changed a setting to YBR component or something like that in some color settings. But unfortunately we don't have the ATI control panel for mac, least I don't think we have any kind of alternative, but would prolly fix it..

Front Row unusable on external Displays

Hello,
I decided to install Leopard this morning but I have finally decided to go back to my Tiger disk clone and wait for 10.5.1. Leopard is full of problems.. but this message is regarding Front Row.
Basically!! It's totally unusable with external displays!!
- No matter which display you set up as primary (by dragging the menu bar in Display Prefs), Front Row will always show up in the laptop LCD.
- If you decide to mirror de display, instead of extending your desktop, then there's another problem: the video will disappear! Yes, that's right, there's no video output when mirroring the displays, just a black screen with the movie's audio.

Interestingly enough, I made an "Archive and Install" and FrontRow opened up on my external display. It's quite strange.

10.9.4 update made external display unusable at wake-up

Similar Messages

Maybe you are looking for