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?

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External display problem after 10.9.2 update

Hello I have a Mac Book Pro 15" Mid 2012, OS X 10.5.8, 2.6 GHz i7, 8GB Ram, i have a 128 SSD (OCZ-VERTEX4 Media)
& a 750 HDD (APPLE HDD HTS727575A9E362 Media) in the optical drive, i have an external Led 1080p View Sonic VX2253 conected via thunderbolt HDMI adaptor, it was working fine until i installed the 10.9.2 update, now when i conect my display it becomes a the main display and the MB built in display becomes the secondary display, here some photos:
Anybody else with these problem, have some idea of the solution????
Tks

Yes similar problem here: I have a MacBook Pro, 15 inch Retina, Mid 2012, and when I connect a secondary display via HDMI (and also HDMI-to-Thunderbolt) then the external monitor becomes the main display.
I have not figured out on how to switch back to former settings. My guess: it's a bug. A quick search confirms that many others have secondary display issues since 10.9.2
(Steve would have fired those lazy punks, who failed to do sincere testing before release …)

MacBook Pro 13" (2011 late). second display problem after update

Updated to mountain lion this second and there is no signal out (thunderbolt to displayport cable) since ive upgraded. in lion there are no problems. does your external display work after upgrade to mountain lion?
(monitor HP ZR24w)

Does your Macbook Flash Blue at all? I have the same thing, and it won't even flash blue

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I have a external display Problem with my x301.
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External monitor problem after Lion upgrade

Hi,
I have a 20" iMac which has a screen resolution of 1680x1050(ATI Radeon HD 2600 Pro 256 MB). I have been using an additional 168x1050 monitor(Dell 2009W) in dual screen mode. This was working fine with Leopard, Snow Leopard, but it does not work after I upgraded to Lion. The screen appears to look fine for a few seconds then blanks out for a second and repeats. The only way I can use my extra monitor is by reducing the resolution to 1360x768.
Does anyone know of a fix or if apple is working on a fix. I called apple support, but all of their suggestion (fix disk permisions, reset PRam) did not help.
Thanks for any help.
Paul

Similar problem here with a 15" MacBook Pro purchased in late 2009. Connected to a new Dell ST2210 21.5" display via a DVI cable and Apple's mini display port to single link dvi adapter. The cable is dual link but seems to work fine the majority of the time.
When I wake my mac from sleep 1 time out of 3 I see black and white static on my external screen that only goes away when I unplug the screen or power it up and down.
I've tested another older MacBook Pro with the screen and everything works fine and when I connect with a different dvi cable I get the same issue.
When I called Apple support, they said it was a software issue and directed me to remove some .plist files in my library. I did what they said on the phone and it seemed to work for maybe 6 sleep cycles but the issue came back again. Since then I've reset the VRAM following their directions in a support article on the subject of external display static. (http://support.apple.com/kb/TS2377)
Does anyone know of a way to fix this or if Apple is actually listening? VGA works fine but I hate the quality of VGA compared to DVI. Should I look into getting an mini display port to dvi adapter from someone other than Apple?
It's annoying to have purchased a perfectly Mac compatible monitor which you really need, just to discover that Apple is having trouble with their mini display port...
Here's another guy with a similar issue and the same monitor (http://en.community.dell.com/support-forums/peripherals/f/3529/t/19330464.aspx#1 9691738). However, from the research I've done, his conclusion about it being the monitor seems to be false, especially with all the complaints here about similar issues regardless of display model.
I need an answer that does not include going back to VGA. What are your suggestions? I do have HDMI but would rather not shell out the money for a cable and adapter...

2nd External Display Failing After Yosemite Upgrade

I have a late 2009 iMac 27 (3.06) that ran perfectly fine with TWO external displays (both HP Pavilon 27 xi's). Upgraded yesterday to Yosemite and now 3rd monitor (2nd external) fails to find a source feed. Any advice out there? (#1 external monitor is connected via direct mini DVI to HDMI via a Rocketfish adapter; works perfect; 2nd external monitor is connected via a USB to CableMatters HDMI to DVI adapter to back of HP monitor - worked perfectly for months until last nite; (HDMI to HDMI never worked). Advice? Thanks.

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?

Display problem after RAM Upgrade to MS6712

Hi there,
after a RAM upgrade (512mb to 3GB) my PC has developed a display problem. The graphics are slow / rippled and video playback is very poor. In device manager no "display adapters" are present and there is also an error mesage referring to the VIA CPU to AGP2/AGP3.0 controller not having enough free resources to run due to a conflisct with VGAsave? I've downloaded the latest VIA chipset drivers to no effect?
System info: MS6712 MB, AMD Athlon 1.25GHZ, XP SP3.0

OK, here's the info on my PSU;
It's a Powerman FSP250-60GTU(PF). Input: 230V - 5A, 50Hz. Max Output: 250W
While I had the case open I took out 2 of the RAM modules and without making any other changes everything appeared to work fine with just the 1GB, so I tried putting 1 more back in to take it to 2GB and again all seems fine? Does this indeed point to my PSU then? If so and it works fine with 2GB should I be thankfull for a 512mb to 2GB upgrade and send the 3rd module back to Crucial??
Before I posted this thread I did run a memtest from Memtest86+ with all three modules installed and it came up with NO problems?
Re Henry's post, I searched using the format of the part no on the RAM modules themselves i.e. M368L2923FLN-CB3 and it took me here:
http://www.samsung.com/global/business/semiconductor/productListNonflexTable.do?fmly_id=118&sht_id=1
Other info on printed the modules themselves: 1GB DDR PC2700 CL2.5
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External Display Problem - SMC Reset Required After EVERY Restart

I have a mid-2010 macbook pro that I often use in Clamshell mode with an external display (an ASUS VS239H-P 23-Inch Full-HD LED IPS monitor). I connect to my monitor with an Amazon brand HDMi cable via a Monoprice Mini Display Port to HDMI adapter. I'm running OS X 10.8.4.
Here's the problem... whenever I go "mobile" and disconnect my macbook pro from the external display, my macbook seems to work fine at first, but if I ever need to restart my macbook, it thinks it is still in clamshell mode upon reboot. The built in display stays dark, and if I close the lid, the power indicator lights up and stays lit up; if I open the lid, the light disappears. It doesn't even matter if the power cord is plugged in or not, the computer thinks it is in clamshell mode. This occurs ANY time I restart my computer, whether I'm booting into bootcamp or OS X. If I do an SMC reset, I can successfully restart my computer. But if I ever need restart my computer again, and I haven't reconnected to my external display, the problem happens all over again. The only other way to fix the problem is if I plug my external display back in, then unplug it, which seems to remind my macbook that the display has been disconected. Unfortunatley I can't do this if I'm out for business and my display is not near me.
What gives? What can I tweak to fix this? I'd rather not have to wipe the HD and do a fresh install of the OS.

It might be the CMOS battery has failed. That battery supplies power to holds all the firmware data, the system management controller data. So on a restart it is losing all that stored data for the SMC. You need to take the system to apple and have it fixed.

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I just upgraded to Mavericks this morning. My set-up includes a new (Late 2013) 27" iMac and a 27" Apple LED Cinema Display, with the mini display port and USB connected from the display to the iMac.
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Now with Mavericks installed, if I have the speakers plugged in, I get a tone that sounds like very loud feedback. If I plug the USB speakers into one of the USB 3 ports on the iMac however, it works fine.
Does anyone know if this is a known issue with Mavericks? I've read some other posts about display issues, but they were referencing USB displays. In this case the display is connected via mini displayport, but the USB connection on the display seems to be causing issues.
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I've been experiencing additional issues with USB speakers. I plugged them into a USB port on the iMac itself (as opposed to the LED Cinema Display) and the feedback was gone. However, now I get situations where the audio appears to randomly "die" on the system. If I go into Audio preferences and switch the audio output to the internal speakers, the audio comes back on. If I then switch it back to the USB speakers, it continues to work until it randomly dies again. This happens typically 3-5 times a day.
If I just use the internal speakers as the audio output, I don't get any issues with losing the audio. The USB speakers worked fine on the iMac before upgrading to Mavericks, and still work fine on my late 2011 MBP still running 10.8.5.
I've read about other similar issues (http://www.imore.com/losing-audio-os-x-mavericks-heres-what-you-can-do-about-it). Still waiting for a fix.

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I recently upgraded to the new 2010 15 inch core i7 Macbook Pro. The problem i have is that it will not detect an external display (23inch Cinema) after waking from sleep. This happens after using the display to extend the desktop and also when using the Macbook in closed mode.
I've managed to get it to detect the display only after either restarting the Macbook completely or by going into energy saver and switching to dedicated graphics then going back to detect display.
It seems that when on integrated graphics it doesn't register that an external display is connected. If i leave a program open and running that causes the dedicated graphics to kick in then it works ok. If i close all programs, shut the macbook pros lid, computer sleeps and external display shuts off. If i click the mouse to wake with lid closed, apple logo lights, machine starts up few seconds later macbook returns to sleep. If i open the screen the machine wakes as normal but the external monitor doesn't.
Any help is much appreciated as its starting to frustrate me now...
Many thanks
oh and im running OSX 10.6.3

I thought it was intermittent to begin with until i started looking into it. By leaving programs open, like aperture, before i put the machine to sleep it appears to wake the external monitor up without a problem. If i shut all programs or leave basic things open like safari and mail which don't require the dedicated graphics, then upon wake it wont register an external screen is connected.
Manually detecting displays in settings doesn't work.
Disconnecting and reconnecting mini display port doesn't work.
Turning off power to cinema display and powering back up doesn't work.
To get the display going again its either 1) turn off macbook pro and re-boot or 2) re-start the machine then the display is automatically recognised. Or 3) launch a programme that kicks in dedicated graphics then manually go in and detect displays again..... like magic the display then springs to life.
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I just upgraded from Leopard to Snow Leopard on my Macbook and it's created lots of problems with my LCD external display:
- The display won't work at its native resolution (1680x1050) - it will flash up an image for 1/10 of second and then go black. I can only get it to work at a lower resolution, which looks AWFUL.
- If I try to start up my Macbook with the lid closed and the display connected, the display won't work at all (it jams on the start up screen). It only works if I keep both of them running
I never had these problems when using Leopard. I've searched lots of forums and found that many people are having similar problems with external displays. Apple still haven't fixed the bug after repeated efforts from people to get if fixed.
Here are some threads (now closed) on this if you're looking for solutions:
http://discussions.apple.com/thread.jspa?threadID=2132912&tstart=0
http://discussions.apple.com/thread.jspa?threadID=2136455&tstart=1
http://discussions.apple.com/thread.jspa?threadID=2132837&tstart=0
http://discussions.apple.com/thread.jspa?messageID=10084332
Common suggested fixes are:
- Force OS X to use LCD font smoothing (does not work for me)
- Clear the PRAM on start-up (does not work for me)
- Delete /Library/Preferences/com.apple.windowserver.plist (does not work)
- Change energy management setting to high performance (only works on graphics cards in Macbook 15" and 17").
From reading these forums it appears that this is a well-know bug. Has anyone else got any suggestions to fix this? And why hasn't Apple fixed this yet after so many people bringing it to their attention? It's clearly a bug that wasn't in Leopard.

I'M FED UP WITH APPLE! They've always been a little shady, but the last half of 2010 took the cake!
First it was the iPhone 3g "upgrade" to IOS4 which was garbage and killed my ability to use the 3g until I figured out how to crack the software, wipe the thing clear then reinstall the original software. Next up was purchasing the iphone 4 as a Christmas gift for someone running tiger on their mac, only to find out that the iphone 4 doesn't work on tiger when they tried to sync their contacts - and then having to rush out and purchase snow leopard so that they could enjoy my gift. Then I install Snow Leopard (note - I purchased the family pack) onto my own leopard-running(10.5.+) powerbook only to have the external LCD display I've been using for years suddenly stop working.
Oh, okay, to be fair, it works IF I RESIGN MYSELF TO SET it to "mirror image" (which defeats the purpose of having multiple displays) and drop the resolution down to a pathetic, unsharp, nearly distored setting that is almost painful to look at knowing that this monitor was just A COUPLE OF DAYS AGO showing me crystal clear images.
Then I exhaust myself trying to find a fix only to discover that APPLE in their infinite brilliance (AKA - their torture of loyal customers) knows of the issue - worked it out - then created an update that created the issue all over again. I'm so done! No more macs. I'm going back to the evil land of PCs. At least there, you know you're getting crap, it doesn't sneak up on you after getting you to trust it time and time again.

HT5313 Second Display Problem after Update v10.7.5

I just updated my MacBook Pro (Late 2011) and the new OS 10.7.5 is not recognizing my second display (VGA connected emachines 19''). I have restarted, changed the resolution, and tried many things, but the display that was working perfectly two hours ago now does not work. Help pls

Hi There,
I suggested the solution on the link you refer (to solve this type of problem with gfxCardStatus)... unfortunately this solution did not solve the problem when upgrading to the 10.7.5, namely the new "supplemental update" that was released on the 4th of October (http://support.apple.com/kb/DL1599).
Here is a simple procedure I followed and solved the problem for me... this worked by chance after starting following the instructions in: https://discussions.apple.com/message/19979833#19979833.
Restart your machine and, when the machine is in booting press "alt" (left option) to show a booting menu.
Select "recovery mode" (do this with the external display connected)
In the recovery mode you can test if the external display is detected (it should work normally)
Do not do anything in the recovery mode... simply Restart you machine (now in normal mode)
It should work normally now... (at least it worked for me)
I think this has to do with a kind of "reset" on the external displays configurations... But I still do not fully understand why this happened.
I hope this helps some people! Cheers!

External display stays after removing adapter.

Hi!
After having my MacBook connected to my TV earlier this week (via the Mini-DVI->TV-out adapter) the computer won't stop recognizing the TV display.
When I unplug the adapter the screen on my MacBook flickers as if it is searching for displays and then returns to the same state that it had before unplugging the device (except there is no external display plugged in anymore). I have tried almost everything I can come up with, restarting the computer both with and without Mini-DVI-adapters, resetting SMC and P-RAM, connecting various external displays and disconnecting them again and so on. The only thing that remains (that I can come to think of) is to reinstall OS X, which is kind of the last resort for me since I have a lot of things to backup.
I think it might have something to do with the 10.5.4-update since it occured the first time using an external display after updating. Are there any ways to downgrade my system or do you have any better idea of what my problem is? Please help me!
I have a MacBook Core Duo 1.83 GHz (the first version) with Mac OS X 10.5.4 installed.

Yes, that's exactly my problem. It's kind of disturbing when you use spaces and they show you a much larger desktop than there really is, especially since it has been working for more than 1,5 years.
I just hoped someone knew some kind of fix that would solve my problem, anyone?

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Prior to the upgrade (from memory) the machine had an OEM Partition (40MB), EFI System Partition (500MB), Recovery Partition (8.17GB) and OS (C:) partition. Only the latter was visible in Computer.
After the 8.1 upgrade there are two additional partitions, Recovery (500MB) and Recovery (450MB). All the partitions are now displayed in This PC as drives except the 40MB OEM Partition.
When viewed in This PC both the two new drives (that appear to equate to the new partitions) show as 499MB each with the same amount of free space. In Disk Management the first new partition is shown as 500MB and the second as 450MB.
I have SugarSync installed on this machine and since the upgrade it is displaying an error telling me it won't work because the two new drives have the same Volume Serial Numbers.
Clearly something has gone wrong with the upgrade:
Is there any way to resolve the Volume Serial Number conflict?
Is there any way to stop all these drives appearing in This PC?
Do I need the two new partitions and if not how can I get rid of them?

There is a fourth path to upgrading to Windows 8.1 provided by Microsoft. Microsoft have been displaying automated reminders from time to time on Windows 8 computers that Windows 8.1 update is available to download - from these reminders it is possible to
choose either Install or Not Now. Just recently these reminders have changed, they are instead notifying the user that the Windows 8.1 Update will be installed automatically or the user has options to postpone the installation for 1hr, 2hrs, etc. The
user of this computer tells me she went away from the machine and Windows 8.1 update installed automatically from one of these prompts.
I have seen these installation prompts on several of my customer's computers and they are not malware related (I deal with malware removal every day and would recognise this). However, I have scanned this computer with Bit Defender and MalwareBytes and there
are no infections present.
The only difference between this Windows 8.1 Update and the others that I have carried out is that it wasn't controlled and therefore I wasn't able to disable the security software (Bit Defender Internet Security 2015). This may be the cause of the problem.
I've uploaded the two screenshots you asked for - the two new drives are W: and Z: and SugarSync is reporting that they have the same Volume Serial Numbers. Note: X: and Y: were not visible prior to the upgrade.
There are two Windows Update logs at C:\Windows\ so I will upload both.

MacBook external display problem with Panasonic projector

MacBook (September 2006, Intel 945) with Boot Camp and XP Pro won't display externally from Boot Camp to a Panasonic PT-DW5000U projector using VGA (via the MiniDVI-to-VGA adapter/dongle). I tried 640x480x8-bit and 800x600x16-bit and 1024x768x16-bit. I tried unplugging and replugging the adapter. I tried shutting down and restarting into Win XP while all video cabling was connected. I tried pressing F7, Fn+F7, Shift+F7, FnShiftF7, as well as other key combinations involving F7. I tried checking the checkbox called "Extend my Windows desktop onto this monitor." I installed Apple Software Update 2.1. None of these troubleshooting attempts worked. It works fine in OS X to the same projector (using the same VGA dongle). And, while Win XP starts in Boot Camp, the projector displays the Windows XP startup screen (black background and blue progress indicator), but after about a minute that disappears, I get a login dialog on the laptop screen, and the projector then displays only a blank blue screen.
Other displays: It works fine with Boot Camp to a Samsung SyncMaster 940T monitor using DVI (via the MiniDVI-to-DVI adapter/dongle). It works fine with Boot Camp to a Panasonic LC50 monitor using VGA (via the MiniDVI-to-VGA adapter/dongle).
We also have Panasonic PT-D5500 projectors, but I haven't tried them yet.
1. Is this a problem in the Intel drivers supplied with Boot Camp?
2. Are there settings on the projector that need to be set to make it work?
3. I'm also now missing the Intel system tray icon that looks like a slanted computer screen -- how do I get it back?
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Based on the substantial research I've done regarding this issue, here's what the problem could be (without me knowing more):
If your working with an integrated graphics card (Intel 945?), chances are that it doesn't support the "resolution" of the projector - which is information embedded in to your other devices. Furthermore, the "refresh rate" is another piece of information usually "embedded" in to the device your connecting to, and the projector may not have either piece of information accessible to your card, or, vice versa.
Additionally, the drivers required by XP to make it all happen while using your particular video card, may not be installed. Basically, it could be a driver issue as well.
I wish I had a solution for you, however, everything I've read seems to conclude that XP within boot camp has little or no support for external displays (especially when talking about larger resolutions).
Humorously, when I addressed the "Mac Genius" at the Apple Store regarding this question, he told me to go buy a PC - so I did. Already have a Mac Pro, needed a laptop...

External display problem after 10.8.3 upgrade

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