Detect Display DVI issue

I've read every thread on this board about DVI and i'm still at a loss over this query.
The geniuses at my local apple store swear up and down that the macbook pro can output DVI-D dual link video. My Magnavox 42MF230A has the pin set for DVI-D dual link and has shown video sent using said cable in the past. When I hook the DVI-D dual link cable to the DVI output on my macbook pro (which appears to accept any pin set though I might be way off on that) I am unable to "detect display". The system preferences panel searches and then stops without finding the display. Am I doing something wrong or am I being told something wrong at the store?

When you say the cable has shown video in the past, do you mean the combination of your MBP, the Magnavox and that cable worked at one time?
Anyway, a couple of observations:
Dual-link is irrelevant in this set-up. It's not needed. On the other hand, neither should it cause any problems.
I would try and get my hands on another DVI cable to try. As above, it doesn't have to be dual-link. I would also try plugging another DVI device, besides the MBP, into the TV. And finally, I would try plugging the MBP into another DVI-enabled monitor of some kind. This is the only way I can think of to try and isolate where the problem might lay.

Similar Messages

After Lion Upgrade, External Display ( DVI ) Not detecting Monitor.

This problem is on my Macbook Pro 17" 2006 (ish) intel core 2 duo.
I have allways used the display port with a DVI cable connected to a DVI port on an external monitor to extend my desktop.
For some reason after upgrading to Lion, I can't detect the external display. If I use an adapter ( Display connector to VGA ) and connect into the VGA input on the monitor, all works fine.
I did connect to the DVI port and left it connected for about an hour, then clicked the " Detect Displays " button, and it worked once. But after this it hasn't worked again.
I have changed the cable, and even the monitor, but it just won't detect..
Any Ideas ??
Dan

After ugrading to LION i can't use an external monitor or TV-screen.
Just purchased a Mini Displayport to HDMI adapter to connect my 13" macbook to an HDTV. I plugged the mini display to hdmi adapter into my macbook and then connected an hdmi cable from the adapter to the tv. the macbook display briefly went blue but then display the normal screen again.
I've search for the past few hours with no luck. I've tried to manually detect the display and nothing. I've tried 2 different TV's and both have the same result. I've tried rebooting my macbook also with no luck. Am I missing something? If I go into System Preferences > Displays there is no mirroring options or anything like that. It just shows the "Color LCD" option. Like I said, upon clicking the "Detect Display" button, nothing changes and no additional display are detected for use.
Any help would be greatly appreciated.

Intermittent Dual Display Issue - Random "Detect Displays"?

Have an MBP w/ Samsung SyncMaster T220, attached via DVI. In recent week, or so, the two monitors will 'fade to blue' (like it will if you attach another display while the MBP is already up an running) then return back to 'normal' as if nothing has happened. When this happens it may stay on the 'blue background' for a split second, or for up to five seconds.
It is as if it 'looses' the dual display then gains it back. And the 'blue screen' seems the equivalent of "Detect Displays" being randomly instantiated.
[NOTE: the 'blue screen' is not the screen of death nor does the MBP lock up. In fact, as I've typed in this posting, it has happened approx. six times, I can keep typing and when the screen returns the stuff I typed in while the screen is blue is all there.)
I've checked the cables, the connectors, the power sources, etc.
Thoughts?

This has been happening to me regularly since buying one of the new mid-2009 MacBook Pros. It had never happened with my previous early-2008 MacBook Pro.
Additionally, the detect displays functionality is not triggered as it should be by dis/connecting the display. I have to manually “detect displays“ every time. Very frustrating, and pretty weird.

Macbook mini-dvi to vga display resolution issue

Hi,
I'm connecting my 13in first generation macbook to an external LCD display. It's an ACER AL2216W. I'm running latest Snow Leopard.
I could always just click 'detect displays' and it would figure out what kind of monitor I had and I would be off and running at the native 1600x1050.
Now for some reason when I click detect displays, it only shows the laptop native resolutions. There is no 1600x1050 in the resolution list and instead of saying "ACER AL2216W" at the top of the display preferences, it just says "Display"
I've tried rebooting, plugging in and and out my monitor cable to the macbook and a variety of other things but to no avail. I'm forced to use 1024x768 right as it is the only resolution that displays correctly on my monitor.   Any ideas on how to get back the detect display working and have 1600x1050 resolution again?

I have a 40 lcd tv and have my macbook hookuped to it using the mini display port to vga and it looks really good, but i only use it for watching movies. Dedicated monitors are still better for reading text or playing games

Second monitor detection and resolution issue with iMac

Hi All,
long time reader here, got a lot of helpful tips, thanks to all who post!!
I have a 24" iMac, Intel based, with OSX 10.5.8.
I bought a Viewsonic 22" monitor to use along side my iMac when using CS4 and I do a lot of photography. Now the problem is that sometimes my iMac recognizes it as VA2213w and other times it see it as VGA monitor. When is sees it as the VGA monitor the resolution changes a bit, even though it has it on its highest setting 1920x1080 @60hz. My tool pallets on the screen are a bit fuzzy, readable but not the best. I'm using a mini dvi to VGA adaptor as the Viewsonic only has a VGA plug. Could this be the issue? As I have read a lot of the problems here and they seem to be all pointing to the adaptor. If so then why does my iMac sometimes see it as VA2213w monitor and then on other times as VGA. I'm doing nothing to the display other than switching on in the morning.
There doesn't seem to be any consistency! Its driving me mad. I can't seem to get it back to recognize the display as VA2213. I have clicked on detect displays etc etc.
It was working fine all week and then suddenly last night it went back to seeing it as a VGA monitor only. Any help would be appreciated. I have no cursor issues, just the resolution and monitor detection.
Regards
Fergul

Hi All,
Well the issue seems to be the cable. I had an older TFT monitor that I was using and when I bought the above viewsonic, I just simply connected it to the existing cable. It wasn't till I was about to send the monitor back for one that had a DVI connection that I decided to use the VGA cable that came with the new monitor. What can I say, there hasn't been an issue since my last post which was a few weeks ago. Even when the iMac goes to sleep and awaken, no probs. Thanks to those that posted, its appreciated!
So far so good.
Take care.

Powerbook detect displays doesn't work on LCD TV. Does on other TV.

Hello,
I recently purchased a telemprompter which uses an LCD TV with a composite input. (From here on out referred to as teleprompter) I set my powerbook up with the S-video to Composite adapter and hooked it up to my Big TV. The screen automatcially detected the external display and changed the settings and diplayed the screen.
When my teleprompter showed up, and was plugged in, nothing happened. I went to the display perferences and clicked detect displays and the image flickered once on the telemprompter. But it didn't show anything else and a second display box did not show up.
Then I plugged my TV in and it didn't auto detect, but when I clicked detect displays it did and all worked again. Then I plugged the telemprompter into the cable and IT WORKED. I could use the LCD TV.
I then clicked "detect displays" and the image disappeared from the teleprompter and the second display box disappeared.
For some reason it is not seeing this particular device. Is there a way to manually force a 2nd display? Everything would work, if I could tell OS X to output a display out the S-video port.
Is this possible? Manually set 2nd display?
I'm using 10.4.4 on a powerbook 1.67ghz. I'm going to try a cheap VGA scan converter in hopes that it will work that way, with a DVI to VGA to scan converter, to composite.

I don't know if my recent experience helps us understand your dilemna, but I just bought one of these NEC 20" all-in-one LCD monitors. It has DVI, VGA, YUV, S-Video, Composite video, and RF input. It's native resolution is 1600 x 1050 and can supposedly scale any input resolution up to 1920 x 1080i. I'm having issues very similar to yours... maybe we can solve them putting our 2 brains together.
I have (2) mini-macs. One of which detected the monitor just fine, and displays the 1600 x 1050 perfectly over DVI. The other seemed to only get a 'partial list' from the monitor when it did it's display detection. It seemed to only get the 'TV' style resolutions, because most of them are interlaced options, and the olny one that doesn't make the monitor twitch like an epoleptic is 1280 x 720p. There is no 1600 x 1050... there isn't even 1024 x 768, 800 x 600, or 640 x 480 listed!!! The funny thing is, if I output to the montior analog VGA (as opposed to DVI) I get the 'full list' of resolutions. This tells me that a 1-time preference/ registry is being made/ created when the detect displays is hit for the first time with a monitor. I can't figure out where the **** this preference information is stored either. It seems if we can find out where on these mini-macs this registry is made, we can solve both are issues... because it certainly is not an issue of the graphics not being able to output the desired resolution. It seems to be some bug in reading the DDC info from the monitor.
If anyone can help.... much appreciation would be had from this frustrated user.

VX2245wm - Fails to detect display properly

I bought a ViewSonic vx2245wm monitor to go with my MacBook.
Problem is, sometimes when I start up with the display connected, the mac forgets the display type and sets it to a low res mode.
I have to press detect display quite a few times before it recognises the vx2245 monitor and it then gets back to normal.
Anyone ever had the issue of a mac forgetting the type of external display?
I connect using VGA.

Have you tried to check ''Mirror Displays'' ? I have Acer 22'' with DVI and I don't have any problems.

ATI Radeon HD 5870 failing to detect displays randomly during reboots

Hello,
I have a Mac Pro 1,1 A1186 computer, MAC OS X 10.6.6, and I just updated the ole 7300 video card to an ATI Radeon HD 5870 I just purchased from the Apple Store last week.
Problem: Mac OS X 10.6.6 keeps losing the display settings during reboots and fails to detect one of the monitors (the Acer X233H) randomly upon reboots. I tried using two Mini DisplayPort to DVI Adapters, but when that produced undesirable results I just plugged one of the monitors into the DVI diplay port and used just one of the Mini DisplayPort to DVI adapters. Then I tried swapping the monitors around.
I know both monitors and cables that directly connect to the monitors work fine as *they worked on the 7300 adapter*. I'm not using an Apple display, so I'm wondering do I have a bad card or is this common?
I tried reseating the card, completely disconnecting it and reinstalling it. I have both power cables plugged into the card, and both monitors will come up eventually if I keep rebooting my system (if they didn't come up the first time).
Please help... this whole experience is ruining my buzz for purchasing such a kick butt OEM card from Apple. Thank you very much in advanced.
I have 14GB of RAM, 2TB Western Digital (for backup/archival purposes), and an SSD Patriot Torqx 128GB Drive. The Diagnostics state they passed, and everything else works fine except for the display detection.
Here is the setup of the monitors I'm using:
Chipset Model: ATI Radeon HD 5870
Type: GPU
Bus: PCIe
Slot: Slot-1
PCIe Lane Width: x16
VRAM (Total): 1024 MB
Vendor: ATI (0x1002)
Device ID: 0x6898
Revision ID: 0x0000
ROM Revision: 113-C0780C-194
EFI Driver Version: 01.00.436
Displays:
Acer X223W:
Resolution: 1680 x 1050 @ 60 Hz
Pixel Depth: 32-Bit Color (ARGB8888)
Mirror: Off
Online: Yes
Rotation: Supported
ACER X233H:
Resolution: 1920 x 1080 @ 60 Hz
Pixel Depth: 32-Bit Color (ARGB8888)
Main Display: Yes
Mirror: Off
Online: Yes
Rotation: Supported
Display Connector:
Status: No Display Connected

OK, I took your advise and tried the "active powered" adapter last night. No dice. The monitor detection still doesn't work even after purchasing the $100 adapter for only 2 displays. Connecting one of the monitors to the DVI display in the back and connecting the other display to the Mini DisplayPort to Dual-Link DVI Adapter.
_This is not the solution as the problem still occurs._
I also tried reloading Mac OS X Snow Leopard last night wiping out everything on the entire partition to be extreme thinking that the system could be confused. I know I could've just deleted the configuration file, but hey... what the heck.
After applying the updates I was able to see both displays again, +_however again they got confused_+.
The end result is from what I believe that the card is inferior in the way it doesn't allow Mac OS X to detect displays properly and or a driver update needs to be issued from Apple to address this issue.
After trying multiple things it would appear that there is only 1 work around as suggest from above (put the computer to sleep). However, to properly fix things we shouldn't have to utilize work arounds.
Important facts that lead me to this conclusion are:
1. Mac OS X 10.6.6 does detect displays properly with the 7300 with no problem.
2. The monitors and cables work properly with the 7300 card, and other systems. So they are not the issue.
3. After installing the ATI 5870 card that's when we I experienced the issues that didn't go away no matter what cable I used or where I plugged the monitors.
a. Thus a $100 cable or a $30 cable worked the same for this issue.
4. Reinstalling OS X 10.6.6 completely and wiping out everything including the display configuration had no bearing on any of this.
Therefore, it can only be two things by deduction:
1. The firmware of the card needs a revision to help support multiple displays.
and/or
2. The driver for the ATI 5870 needs a revision to correct multiple display support within the Operating System.
However, I can't see paying over $500 for a card and an adapter that doesn't work properly. If there is no hope that Apple or ATI is working on this issue with the ATI 5870 card, I have only one recourse and that is not to support this particular ATI product and take it back. I know I can always just keep putting my computer to sleep, but over $500 for a video card and an adapter that is riddled with bugs is way too much for me.
*I'm taking the card back and reinstalling the 7300 until a proper card can be produced or an update is issued to specifically correct multiple display support.*
*Thank you* everyone for your help, I really appreciate it. *+However, the users of the systems can only do so much without proper support from Apple and/or ATI on this issue.+*

Detect displays seems to have quit working? The secondary monitor is bleeding into the MacBook Pro monitor. How can I fix this?

I am using a MacBook Pro 2009, Snow Leopard (OSX 10.6.8). All of a sudden last night after a long day of work, my monitor resolution changed without warning and the secondary monitor display started bleeding into my laptop monitor. When I go to detect displays, it doesn't fix the problem. It looks like I need to switch to a larger display setting and the largest setting has disappeared.(The display seems to default to this setting where my screen bleeds into the laptop monitor.) When this started happening last night, I immediately shutdown and restarted to see if this would fix the problem. So far, it's still not looking too good.
I also tried shutting the laptop and using the external monitor only. When I do this, the monitor freaks out and keeps flashing on long enough for me to input a password. Then it flashes off, the computer and dipslay goes to sleep and I have to re enter my password to exit sleep mode and the process starts all over again.
Here are screen shots of the two monitors side by side:
http://danisco.files.wordpress.com/2013/07/monitors.png
(Notice the weird overlap - it's not keeping me from working, but it's super annoying!)
Any ideas on how I can try and fix this? OR do I need to get help from Apple directly. Thank you in advance for any suggestions on this!

Okay - this issue seems to have resolved on it's own. Yea!
I did find a thread that suggested resetting the PRAM/NVRAM so I did this, restored the external monitor to factory settings and went into Disk Utility and repaired disk permissions and verified disk permissions.
Here is a link to reset the PRAM/NVRAM: http://support.apple.com/kb/HT1379
These things may have helped resolve this issue. I can't tell what worked because it was hours after I did all these things that my monitor and computer decided they liked each other again. If you have a similar issue, maybe these steps will help you resolve your problem too.
Hope this is helpful!

Mac Pro suddenly won't detect display anymore!

Hi - I have a 2008 Mac Pro (two 2.8GHz Quad-Core Intel Xeon processors) and I believe it came with a ATI Radeon HD 2600 XT stock video card. I have been connecting it to a 23-inch Apple Cinema HD Display (DVI connection) with no problems and suddenly when I went to start up my Mac a few days ago the display remained black. I never had flickering or any issues before that. The display is clearly powered on and I hear the Mac chime and drive spin, but see no video connection.
I hooked up my laptop to the Apple display to make sure it was okay, and sure enough my laptop desktop immediately appeared. I disconnected all peripherals from the Mac, connected the display to the second DVI port, then rebooted the Mac - still no video. I tried rebooting from the original OSX CD and I also reset the PRAM, nothing helped!
Is my video card fried? Or could it be the slot the card is in? How can I troubleshoot further? I want to be sure it's the video card before I go buy a new one...any suggestions? Thanks!

Hi-
Try a Safe mode boot (hold Shift while starting).
Try to boot to the Apple Hardware Test Disc. Run the test.
Remove and reseat the graphics card.
If all these fail to restore or show video, replace the graphics card.

Internal display not detected. "Detect displays" option now gone...

Hello!
My MacBook Pro will not detect any displays. After going to sleep a couple of nights ago, and bringing the computer out of sleep, the display would not turn on; even though I could hear the computer wake up and the fans turn on.
I hard-reset the computer and the display still would not turn on after the power down. Was able to connect to my computer through my wife's MacBook through "Share Screen", and everything is working except the display. I immediately backed up my data realizing the system was working fine (not a hard drive issue, hooray!) other than the display. I tried connecting my computer to an external display and did a restart with the lid closed and the computer would not detect the external either.
Through share screen, I then went into the Display Properties and to my surprise noticed that the "Detect Displays" button has disappeared! Furthermore, when I go into
"About This Mac > More Info... > Graphics / Displays"
Nothing is listed for the screen! On my wife's MacBook it lists the LCD's resolution and other information, but not on mine. Also, under "Display Connector", hers says "Status: No Display Connected"; where as mine says nothing at all, its blank underneath the words "Display Connector".
I reset the P-RAM and that did not help either. If I could I would do a fresh install of OSX, but I can not see the screen so I can do that either.
Is there any way I can reset the computer by any other means?
I also don't have an issue with taking this computer apart, as apple care is expired, and I've done my fair share of take aparts before.
Once again, the computer is starting up and working, but the screen is not being detected or turning on. Everything else works. I called apple and they wanted me to pay $50 for an over the phone troubleshoot, or to take it in to the apple store (an hour away from here) and possibly pay $300 for it to be fixed. AHHHH!
Thanks.

OK, I am confused...can you see an image on an external display or not?
The torch/flashlight trick will tell you if the backlight is out and you are still getting an image and it is a display problem. Although dead backlights are less of a problem with the LED backlit displays.
In your last post you say "If I could at least detect an external...", this leads me to believe that you are not able to detect an external display. With this assumption, it looks like the video card, which if memory serves me correctly is on the MLB and would require replacing the MLB.
If you are able to get an image on an external display, then we are back to the display as the problem.

Mac-mini "detect displays" where is the individual model's DDC info stored?

I have a dilemna- I just bought a new 20" NEC LCD screen that has all sorts of bells and whistles. It's 1600 x 1050 native, and has DVI, analog VGA, YUV, compostie, and RF inputs. It is supposed to have a scalar that supports a multitude of resolutions including 1920 x 1080i.
I bought it for a system of which has (2) mini-macs through a DVI KVM. I had one mini-mac successfully read the DDC info from the montior, and it provides a wide range of supported resolutions (including 1600 x 1050). All resolutions listed are progressive (no interlaced options)
When I switched my KVM to the 2nd mini-mac it was stuck in 1024 x 768, and that was the highest res that the display preferences gave me (probably because that's what it read off the DDC of the KVM switch?). When I hit the "detect displays" button, it proceeded to update the list of supported resolutions, but a very bizzarre thing happened: It did the opposite of the first mini-mac, and only listed "interlaced" video resolutions (with the exception of 1280 x 720p and 640 x 480p). The list was all 'broadcast-style" resolutions.
The profile for this montior on this mini-mac is now stuck in this mode, and I cannot get the desired 1600 x 1050 resolution that is native to the monitor. I've tried everything I could think of including ditching plists, clearing the PRAM, tricking the mini-mac, etc....
It's almost as if a mini-mac stores a registry of the monitor's DDC information onto the video card 'permanently' the first time, and never allows to re-read the DDC info again???
Does anyone know how to clear this registry?
The other clue to this whole thing is that the monitor has an option where you can set the DVI IN to either "DVI-PC" or "DVI-HD". The fussy mini-mac displays nothing in "DVI-PC" mode, and the behaving mini-mac displays in both modes. It's possible that the monitor was in "DVI-HD" when I hit the "detect displays" button on the fussy mini-mac.
Any help would be greatly appreciated.

Wow, I wish I had your set up to play with. I could probably learn a lot from it
When DDC is read by the Mac, and when users make resolution settings based on it, the resultant settings are stored in a file called com.apple.windowserver.plist. There is one such file in /Library/Preferences but there may also be occurances of it for each user account on machines set up for multiple users AFAIK. They are plain text files so you can actually read them with TextEdit or other text editors.
The simplest thing to do might be to copy the file from the mini giving the desired behavior and use it to replace the file on the mini with the bad behavior. I don't think there is any machine specific info in the file, so I believe the file should be portable in this manner. On the other hand, this may not work because when you restart the misbehaving mini it might regenerate a "bad" windowserver.plist file again and replace the one you just copied over. Although I don't think that will be the case. Can't hurt to try. You might want to keep the older pref file around and rename it to "preferences.old". There is a procedure outlined here that is similar although it is based on doing everyting from starting into console mode:
http://docs.info.apple.com/article.html?artnum=106464
As for why one mini is reading EDID one way and the other reads altogether something else, that's a really good question and one that I hope you are able to track down the answer to and report your findings back here. It could provide a lot of insight into other types of problems people have reported on this forum. Perhaps it relates to the DVI-PC or DVI-HD setting you refered to, but I have never known any other display that actively changed its EDID. EDID is always fixed I thought. Good luck and let us know how things turn out.

My MacBook Air (OS 10.8.4) does not connect to projectors consistently using a VGA/Thunderbolt connetor. The Monitors/detect displays box that I am used to never appears. Intermittently the "arrangement" window appears in the Displays System Preferences

My previous MacBook Air running an older operating system synced up just fine with these same projectors using the same minidisplay to vga adapter. My new computer has Airplay on it, and Airplay shows up on my menu bar on the new laptop where the displays icon used to appear. I cannot get the displays icon to display (even when I turn Airplay mirroring off). It used to show up on the menu bar and if I had projector issues I hit "detect displays" and it resolved. None of that appears to be available with the new operating system and Airplay on. I am not sure why.

My previous MacBook Air running an older operating system synced up just fine with these same projectors using the same minidisplay to vga adapter. My new computer has Airplay on it, and Airplay shows up on my menu bar on the new laptop where the displays icon used to appear. I cannot get the displays icon to display (even when I turn Airplay mirroring off). It used to show up on the menu bar and if I had projector issues I hit "detect displays" and it resolved. None of that appears to be available with the new operating system and Airplay on. I am not sure why.

Brand New MacBook Pro and Display Adaptor Issue

Hello fellow Mac users, I've been a long-time Mac user and owner.
I just got a new MacBook Pro after using a 2006 model for 2 years and am having a display adapter issue that I need help and advice with:
The new MacBook Pro has the mini DVI display connector, my non-Apple external display is does not support the mini DVI, no problem there, I bought the display adaptor...
Except that it doesn't fit the adaptor that fit the 2006 MacBook Pro.
Please See Image at Link:
http://picasaweb.google.com/lh/photo/sdjOcw1jrddqtAfjAU0Trw?feat=directlink
File comment: This is the adaptor that connected my 2006 MacBook Pro to the the display. It changes the connection from the Mac's DVI to fit the VGA connection of my display. There are the four extra pins around the flat pin to the left of the connector.
Somehow the male end of the mini DVI to the full-size DVI adaptor doesn't fit the female end of the full-size DVI to VGA adaptor! Please see the images. It seems a few extra pins prevent the connection!
Please See Image at Link:
http://picasaweb.google.com/lh/photo/4bG788QVKGCOIJUkzHcjKg?feat=directlink
Comment: This is where the problems begin. The flat portion lacks the four holes needed for the DVI to VGA adaptor to connect.
Is it possible to just remove the four offending pins in the Full Size DVI to VGA Male End?
Any help or suggestions highly appreciated, because as of now, my brand new MacBook Pro is less useful than the 2006 model, which can connect to my external display.
Thanks a lot for your help!

Hi Rob with a Mac and welcome to the boards.
My suggestion would be that you simply take the adaptor back and get a mini-display port to VGA adaptor instead.
I ran into a similar problem myself recently when I wanted to connect my own MBP13 to an overhead projector. I had assumed that I could use the mini display to DVI adaptor that I use for the DVI capable external monitor with my new MacBook, combined with a DVI to VGA adaptor that I had for my 2007 MBP, connected to a VGA cable to do the job, but this is not possible.
MiniDisplay to VGA adaptors for the newer MBPs are readily available at Apple dealers or through the online store and not too expensive.
Cheers
Rod

My Lion woes, panes, detect display

My complaints so far. I am sure I will come to love the new features in Lion though when I get done with my bi', okay, will stop there. Some complaints are dependent on me using screen zooming / scaling all the time due to my distance I sit from my display.
Launchpad in VERY uncontrollable with my logitech performance mx mouse when trying to scroll left and right. It stops for a second and when I go to select an app right then it seems to have inertia from the scroll and bounces back to the opposite end of the 3 panes away from my intended choice. It is non scalable which means I have to lean forward in my chair to view the type. Don't laugh, I am always using the command + zooming mouse wheel a lot as my display is my 24" HDTV 6 ft away. Yeah, I am lazy about leaning up. In a few months I am going to have a 55inch display and be sitting a few feet further away.
The grey direction arrows (active/non-active url direction) in Safari are too similar to each other at a glance. Make them CONTRAST more PLEASE.
Never seen so many color wheels before. A lot of thinking going on.
My arrow mouse icon was flickering and completely disappeared for about 10 seconds.
Screen video capture programs which worked in leopard doesn't work now. (I expect updates, maybe from developers but if not I want a refund for recent purchases).
Screen shot dashboard program does not work. (needs update obviously)
Finder windows with panes have to be constantly adjusted (almost) each time I open them. I haven't figured out why yet.
Autocomplete typing feature inputs the wrong word sometimes and does this even when I do nothing but type as normal! I have had more unintended but correctly spelled words than ever before. Maybe I am doing something wrong.
When trying to select a file to upload in Safari the selection window apparently did not give me the choice to look in all my files, desktop, documents, user. It was as if was unable to show the actual files window. After looking at this again I had to stretch the already big window to find the other pane. This is not good! Reminded my of Windows which I gave up years ago.
(receiving attention from apple as of 7/21)
My current 24" philips hdtv display with PC IN has been used with 2 minis in the past but is not discoverable with Lion and if it tries all video output stops. Great customer support though with this as 2 Tech guys talked to me at length and they sent it up the chain of command to be addressed in an update they think within 10 days at the longest. I am including this in case other ppl have this issue. They are working on it. More on topic : I have to plug in a backup tiny display and then fool the system by then keeping the lower desktop resolution and plugging into the bigger display. Sometimes when the mini sleeps I have to restart with the smaller display and go through tricking the system again. If I try to DETECT DISPLAYS with the bigger display it then stops all display output and I have to restart using the smaller display, etc.
Thanks in advance for setting me straight with anything I am clueless about and Thanks to Apple Engineers if they are looking through these discussion boards for feedback.

Well folks I did find a work around for the time being. Though it doesn't restore my options in the menu button I did uncover the Detect Displays button. I was looking at my post request and behold I saw a related article next to this thread that says OS X Mountain Lion: About the Display pane of System Preferences ( http://support.apple.com/kb/HT5369?viewlocale=en_US&locale=en_US ) in the article it shows that they did indeed hide the option but it can be uncovered. The funny thing is this article does not show up when I search for my problem.
Hold the OPTION key in the Display Preference pane and the Gather Windows button will transform into the Detect Displays button.
Here are screenshots to demonstrate what happens when you toggle the OPTION key off and on.
Again why on earth did they hide this to begin with or not include it in the Display Menu option at the top of the screen? I don't know and I hope they fix it. This is WAY TOO complicated of a solution for a simple function. Nobody is going to intuitively find the Detect Displays option.

Detect Display DVI issue

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