Retina display no longer working

So I was so excited the other day when I updated to CC 2014 and found that I could finally change the resolution of my sites to HDPI, however, today for some reason when I opened up some of my sites that were showing up correctly on Friday and suddenly they look like standard resolution (though the dialog still says its hdpi) anyway, I also noticed that when I add my 2x sized images, they place at half their normal size. What's going on?

Your comment "I also noticed that when I add my 2x sized images, they place at half their normal size. What's going on?" was why I responded with the tutorial link. Your description is how 2x images work. You create your artwork at double size and use them at half size so on a Retina/HiDPI/2x display they have all the pixel data to be high quality.

Similar Messages

External display no longer working

I recently purchased a Macbook Pro Retina 13" (Late 2013) model and was able to use it with my external display yesterday. Everything was working great out of the box and I was using the hdmi port on my mac to connect it to my monitor (dvi). Today though when I first turned on my mac after shutting it down for the night, my external display no longer receives a signal.
I've tested the cable and monitor with another laptop and everything is working, but for some reason just not with my mac.
I've tried resetting PRAM and SMC, and have been googling how to resolve this but have no luck. Any help would be appreciated.

So I somehow got it to work again, although it was unexpected, random and 100% luck.
I think what fixed it was that I switched off and unplugged the power strip that my monitor was connected to (I was reorganizing my cables). I didn't plug my rmbp right away though. The external monitor was still hooked up to my windows laptop. On a whim though I decided to plug the hdmi cable into my rmbp and it worked! My monitor set up also went back to how it was the other day.
I am sure that I didn't do anything on my rmbp that would have fixed it because I was just browsing internet on it. So if anyone is having this problem of where the monitor used to work but then suddenly didn't then I would suggest them to try this out. Let me know if anyone wants me to recall what I was actually doing. Good luck!
I think in the future to prevent this from happening again, I will probably unplug my rmbp from the monitor before shutting it down for the night.

5k retina display - scroll not working with Safari (both magic mouse and trackpad)

Hi,
suddenly my trackpad and magic mouse stopped working with scrolling (most annoying one) and other gestures.
I recently bought the iMAC 5K retina display and was not expecting this by any means...
I have a ton of tabs open on safari and simply "refuse" to try the old windows way of rebooting the machine...
I have to use the arrow keys to scroll down... this is insane
could you please advise? am I missing something?
many thanks

Just found out the reason I couldn't get the two to play nicely. I had connected my keyboard and trackpad using a "Magic Wand" which looked great. Unfortunately the magic wand had a connecting piece to fill in the gap between the two pieces and this was preventing the little pads underneath the trackpad clicking. So I can only guess that because the trackpad couldn't click it thought it was stuck and therefore also locked up the mouse. I've remove the connector and both pieces work perfectly together!

Buttons on 20" Display No Longer Work

For the past two years I've been using my 20" Apple Cinema Display (the one with the white edges, not the newest version) with my 12" PowerBook by connecting it through Apple's ADC to DVI adapter and plugging it into the Mini-DVI slot on my PowerBook. It worked great and I especially liked how the power button on the display would turn the computer on without the need to open the lid of the PowerBook.
I just bought a Black MacBook Pro last night, used the Migration assistant to transfer over my User folder. All works fine except the buttons on the display no longer does anything. I'll push it and it will glow but it doesn't seem any signal is sent to the MacBook. The display works fine when plugged in but neither the power button or the brightness button works anymore with the new MacBook.
Very frustrating...any ideas?
MacBook 2.0 GHz Core Duo Mac OS X (10.4)

While its hugely unlikly to be RAM related and more than likely the problem is due to lack of support via the DVI connector. I would probably look in two places…
1) The cinema displays forums…
http://discussions.apple.com/category.jspa?categoryID=111
It is possible this issue exists with other Macs and the solution posted.
2) Call AppleCare. You are current covered by the 90 day telephone support so there's no harm is simply asking.

IMac 24¨External display no longer working

I have a Intel iMac 24¨using an additional external display - Fujitsu.
It has worked perfectly since I bought it and suddenly the external display will no longer work. There is nothing wrong with the Fujitsu because I have tested it on other computers but will no longer work with the iMac.
I have checked all connections, running current update and I am now at a loss as to what to do next.
I read that there were problems linking external displays when the iMac 24¨came out but I am assuming that this was resolved long ago. Even so, mine has worked fine until now. Any ideas please?!
Thank you

Hi Canaryguy
1. Shut everything off display, computer and disconnect everything.
2. Reset the iMac's SMC > http://support.apple.com/kb/HT3964
+● Shut down the computer.+
+● Unplug the computer's power cord.+
+● Press and hold the power button for 5 seconds.+
+● Release the power button.+
+● Attach the computers power cable.+
+● Press the power button to turn on the computer.+
3. Now first reconnect the DVI or VGA cable to the Display.
4. Then connect the Mini DVI to ??? to the Cable coming from the Display.
5. Lastly plug the Mini-DVI adapter into the iMac.
6. Then turn the Display on and startup the iMac.
If that does not work try a different Mini-DVI to ??? adapter and cable, or test your adapter, cable and display with another iMac.
If all of the above fail, then the iMac needs to be serviced.
Dennis

View images at 100% in photoshop on retina display does not work...

using photoshop:
I have a 15" new macbook retina display. If I want to view a photograph at 100% it does not 'size up'.
for example, If I open the same image on my desktop iMac, I see the image in all its 100% glory, so I can work on it in photoshop.
If I view 100% on retina display the image is tiny ( not 100% )
I never had this problem on my older macbook, so why is it happening and can it be fixed?
My first though was that because there are 'more' pixels, the image is 100% BUT looks smaller on screen for some reason due to pixel count...
Thank you in advance for any help!
cheers

Hi Nealeh
Thanks i think I got it working of a fashion.
Except the replace colour, does not seem to end up with the colour I picked using the picker tool. Its as though it hads not replaced the colour but blended in the desired colour with the old incorrect colour!
Buy trial and error picking not the right colour but close - which when mixed with the existing colour is close.
Sorry I can't post the pictures as the Lingerie Mfg, has me under non disclosure.
The scenario is:- say a blonded mainly tanned model a high cut [at the hips] corsette style basque, with an ultra low bra line.
Our dear model, has just come back from St Barts with a fabulous Tan, and equally striking bold Tan lines!.
So we have great tanned legs, then the 'porcelain white band' where her swimsuit was.
Likewise we have a tanned face, and arms, shoulders etc and a great tan on the top of the cleavage, then it stops, white band to the top of the ultralow cut bra line of the basque.
She must have lived in like the most conservative bikini on the planet [50's style], for 2 weeks!
Had she had a normal skimpy bikini on, no problem!
If i don't solve it, she will get fired!
Not a lack of interest in your post, but I was out, and tried to log in to this site; which I could do, on my iPad Air / 5 [whatever its the new one]. And tried to 'sign in' - but it just hung at the
"Join Adobe Community" adobe sign in splash screen! with he little whell spinning around continuously!!!
I have Safari on this iPad. Guess that is all it runs.
So technology is not my friend today!

How does the MacBook Pro with Retina display scaled resolutions work?

How does it work? I think I have the basics figured out; is this correct (by this, I mean below)?
It is a scaled resolution (1/2 I think of the actual display resolution) therefore, the size of the pixels would be equivalent to 1440 x 900, but each pixel that is represented on screen is actually 4 pixels, therefore making it look sharper, so things are physically the same size if it would be an actual 1440 x 900 screen, but it looks sharper on the Retina display because each pixel is actually 4 pixels?
Thanks

If you read the specs on them you will discover that the MBP is way more powerful then the MBA. The big feature of the MBA is light weight. If you need a powerful computer then you want the MBP instead.
Allan

External monitor says no signal and retina display is not working

my retina display stopped working, then i got an external monitor to view my desktop. I then set my laptop back to its factory settings. but now i can't view anything no matter how many monitors I try. I tried the dvi the hdmi and nothing.

Hi,
Have you tried
1.leaving the screen flipped open,
2.connecting power
3. connecting external monitor; waiting for it to 'wake up';
then 4. closing lid of MBP to activate clamshell mode?

Retina Display Support not working with Flash Player run applets

When running flash player run websites (e.g. games or Youtube) the flash player applet fails to render for the Retina Display in the new Firefox 18 (although websites render for the retina display).
Flash player renders everything including flash applets for the retina display in other browsers (Safari, Chrome)

Please check if all your plugins are up-to-date. To do this, go to the [http://mozilla.com/plugincheck Mozilla Plugin Check site].
Once you're there, the site will check if all your plugins have the latest versions.
If you see plugins in the list that have a yellow ''Update'' button or a red ''Update now'' button, please update these immediately.
To do so, please click each red or yellow button. Then you should see a site that allows you to download the latest version. Double-click the downloaded file to start the installation and follow the steps mentioned in the installation procedure.

Macbook Pro 13" with Retina Display for Photography work

Hi All,
I'm looking at buying a Macbook Pro 13" with Retina Display with the following specs.
2.6GHz dual-core Intel Core i5
Turbo Boost up to 3.1GHz
8GB 1600MHz memory
256GB PCIe-based flash storage
Intel Iris Graphics
Built-in battery (9 hours)
I need to use this mainly to edit RAW images as I'm a photographer and will be using this whilst onsite during a photoshoot. I have been advised that due to the graphics card, when using software like Photoshop, the laptop might slow down as it won't be able to handle the large files.
The only one that has a good graphics card is the MacBook Pro 15-inch: 2.5GHz with Retina display - with the following specs.
2.5GHz quad-core Intel Core i7
Turbo Boost up to 3.7GHz
16GB 1600MHz memory
512GB PCIe-based flash storage
Intel Iris Pro Graphics
NVIDIA GeForce GT 750M with 2GB
My issue with this model is the size and most of all the price. it costs 1000 more than the 13". Have any of you had the chance to use photoshop on the 13" version and how did you find it?
Thanks

Go step by step and test.
1. Reset SMC.     http://support.apple.com/kb/HT3964
    Choose the method for:
    "Resetting SMC on portables with a battery you should not remove on your own"
2.Reset PRAM. http://support.apple.com/kb/PH4405
If this does not help, you have to take the computer to the Apple store to
have it checked out.
Best.

External Display No Longer Working (Air & Thunderbolt)

My MacBook Air just decided it no longer wants to work with my external Dell U2711 display via Thunderbolt to DisplayPort cable. Frustrating as this has been working for the past 3 years. Currently running OS X 10.10.2. Have tried PRAM and SMC resets to no avail. Not sure what is going wrong, but looking at the error log it is obviously trying to set it to the wrong resolution "1440 x 900". Previously everything was working great with a resolution of 2560 x 1440. Thoughts?
****Error Log Below****
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Received display connect changed for display 0x42737c0
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Found 16 modes for display 0x042737c0 [16, 0]
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Received display connect changed for display 0x3f003d
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Found 1 modes for display 0x003f003d [1, 0]
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Received display connect changed for display 0x3f003e
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Found 1 modes for display 0x003f003e [1, 0]
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Display 0x042737c0: GL mask 0x1; bounds (0, 0)[1440 x 900], 16 modes available
Main, Active, on-line, enabled, built-in, boot, OpenGL-accel, Vendor 610, Model 9cdf, S/N 0, Unit 0, Rotation 0
UUID 0x2fa49b462ac314062ce76fce977d6525, ColorSpace { 189789772 }
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: GLCompositor: GL renderer id 0x01024301, GL mask 0x0000000f, accelerator 0x00003ab3, unit 0, caps QEX|MIPMAP, vram 451 MB
texture max 8192, viewport max {8192, 8192}, extensions NPOT|GLSL|FLOAT
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Display 0x003f003f: GL mask 0x8; bounds (2464, 0)[1 x 1], 2 modes available
off-line, enabled, OpenGL-accel, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 3, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: GLCompositor: GL renderer id 0x01024301, GL mask 0x0000000f, accelerator 0x00003ab3, unit 0, caps QEX|MIPMAP, vram 451 MB
texture max 8192, viewport max {8192, 8192}, extensions NPOT|GLSL|FLOAT
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Display 0x003f003e: GL mask 0x4; bounds (2465, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 2, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Display 0x003f003d: GL mask 0x2; bounds (2466, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 1, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Display 0x042737c0: Unit 0: Startup Mode 1440 x 900, CGSThirtytwoBitColor, Resolution 1, ioModeID 0x80001000, ioModeDepth 0x0, IOReturn 0x0
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: CGXDisplaysDidReconfigure: Display added
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: CGXDisplaysDidReconfigure: Display removed
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Display 0x042737c0: GL mask 0x1; bounds (0, 0)[1440 x 900], 16 modes available
Main, Active, on-line, enabled, built-in, boot, OpenGL-accel, Vendor 610, Model 9cdf, S/N 0, Unit 0, Rotation 0
UUID 0x2fa49b462ac314062ce76fce977d6525, ColorSpace { 189789772 }
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: GLCompositor: GL renderer id 0x01024301, GL mask 0x0000000f, accelerator 0x00003ab3, unit 0, caps QEX|MIPMAP, vram 451 MB
texture max 8192, viewport max {8192, 8192}, extensions NPOT|GLSL|FLOAT
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Display 0x003f003f: GL mask 0x8; bounds (2464, 0)[1 x 1], 2 modes available
off-line, enabled, OpenGL-accel, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 3, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: GLCompositor: GL renderer id 0x01024301, GL mask 0x0000000f, accelerator 0x00003ab3, unit 0, caps QEX|MIPMAP, vram 451 MB
texture max 8192, viewport max {8192, 8192}, extensions NPOT|GLSL|FLOAT
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Display 0x003f003e: GL mask 0x4; bounds (2465, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 2, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
Mar 2 14:39:13 Nick-MacBook-Air-2.local WindowServer[154]: Display 0x003f003d: GL mask 0x2; bounds (2466, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 1, Rotation 0
UUID 0xffffffffffffffffffffffffffffffff
Mar 2 14:39:15 Nick-MacBook-Air-2.local WindowServer[154]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'. Run with arg = -discovery
Mar 2 14:39:15 --- last message repeated 1 time ---
Mar 2 14:39:15 Nick-MacBook-Air-2.local WindowServer[154]: CGXSetDisplayColorProfileAndTransfer: Display 0x042737c0: Unit 0; ColorProfile { 189789772 }; TransferTable (256, 12)
Mar 2 14:39:15 Nick-MacBook-Air-2.local com.apple.AmbientDisplayAgent[304]: AMBD Agent: xpc connection became invalid during event handler
Mar 2 14:39:15 Nick-MacBook-Air-2.local WindowServer[154]: CGXSetDisplayColorProfileAndTransfer: Display 0x042737c0: Unit 0; ColorProfile { 189789772 }; TransferTable (256, 12)
Mar 2 14:39:15 Nick-MacBook-Air-2.local com.apple.AmbientDisplayAgent[304]: AMBD Agent: xpc connection became invalid during event handler
Mar 2 14:39:15 Nick-MacBook-Air-2.local DMProxy[612]: AMBD Services: connection interrupted: com.apple.AmbientDisplayAgent (Connection interrupted)
Mar 2 14:39:15 Nick-MacBook-Air-2.local com.apple.AmbientDisplayAgent[304]: AmbientDisplayAgent started
Mar 2 14:39:15 Nick-MacBook-Air-2.local WindowServer[154]: CGXSetDisplayColorProfileAndTransfer: Display 0x042737c0: Unit 0; ColorProfile { 189789772 }; TransferTable (256, 12)
Mar 2 14:39:15 Nick-MacBook-Air-2.local com.apple.AmbientDisplayAgent[304]: AMBD initializing devices
Mar 2 14:39:15 Nick-MacBook-Air-2.local com.apple.AmbientDisplayAgent[304]: AMBD Agent: xpc connection became invalid during event handler
Mar 2 14:39:15 Nick-MacBook-Air-2.local DMProxy[613]: AMBD Services: connection interrupted: com.apple.AmbientDisplayAgent (Connection interrupted)
Mar 2 14:39:15 Nick-MacBook-Air-2.local com.apple.AmbientDisplayAgent[304]: AmbientDisplayAgent started
Mar 2 14:39:15 Nick-MacBook-Air-2.local WindowServer[154]: CGXSetDisplayColorProfileAndTransfer: Display 0x042737c0: Unit 0; ColorProfile { 189789772 }; TransferTable (256, 12)
Mar 2 14:39:15 Nick-MacBook-Air-2.local com.apple.AmbientDisplayAgent[304]: AMBD initializing devices
Mar 2 14:39:15 Nick-MacBook-Air-2.local com.apple.AmbientDisplayAgent[304]: AMBD Agent: xpc connection became invalid during event handler

Howdy Haknat,
Thanks for using the Apple Support Communities.
If you're still seeing no image on the external display after resetting the SMC and PRAM, then the next step I'd like you to do is to start the device in Safe Mode.
Reset the resolution
Start by resetting the Mac's parameter RAM. If the display does not come up, was previously set to an unsupported resolution, and still results in no video:
Start up in Safe Mode.
From the Apple () menu, choose System Preferences.
Choose Displays from the View menu to open the preferences pane.
Select any resolution and refresh rate that your display supports.
Restart your computer.
If you tried all of these steps for your display and the video issues persist, contact Apple technical support or take your Apple computer to the nearest Apple Store or Apple Authorized Service Provider (AASP) for diagnosis. If you plan to visit an Apple Retail Store, make a reservation at the Genius Bar using http://www.apple.com/retail/geniusbar/ (available in some countries only).
Note: Diagnostic fees may apply for issues not covered under warranty or the AppleCare Protection Plan (APP).
Apple computers: Troubleshooting issues with video on internal or external displays - Apple Support
Take care,
Alex H.

Detect Displays no longer works after upgrade

Mac Mini 2009 - two weeks old, came with Leopard. Took some doing, but have it hooked up to Sony Bravia 40" LCD via Mini-Display port to VGA adaptor. Detect Display worked fine, connected at High Def resolution. Upgraded to Snow Leopard 10.6.1 today, and Detect Displays finds nothing, I can't get any more than 1280 x 768 out of the display, no high-def. Tried many of the tricks I found in forum - zapped PRAM, booted into safe mode, deleted windowsserver preference plist files. No avail. Is this a general problem with Snow Leopard?

I do have the same problem with the macbook alum. After the upgrade, i have no more resolution of 1080i, becouse it fails. Only res like 1280*1024 is the max i can get. I figured out that the profile of my LCD bravia is no longer detected by the display manager, back in 10.5 it was "Sony Lcd" (or something) now is "Vga display". EXTREMELY WEIRD is that after a lot of test's (reset ram, delete profiles, etc, etc) i try to change my vga cables, first try... no luck, back to the classical cable and "MAGIC" 1080i res came out of nowhere, and the profile was Sony LCD... but it was just one time (i reboot and it was gonne!!!) i haven't been able to recreate the same thing. So i still stuck with this subject and low res for the mini VGA display adapter!!!

Apple 23" HD Cinema Display no longer working with new Macbook Pro

I bought a 23" used HD Cinema display the other day along with the ADC-DVI and DVI-Mini Display adapters. I had it hooked up and it was working perfectly for 3 days. Today my wife tried to connect her Macbook accidentally via the USB that is part of the ADC-DVI adapter which didn't work (why is that USB there anyway?). Then when she went to connect the external display back to my Macbook Pro it did not wake up after being connected. I have tried resetting the PRAM on the MBP and have disconnected and re-connected all connections but nothing will get the display working with the MBP anymore. When I connect and disconnect the mini-display plug into the MBP the MBP flashes the blue screen as it appears to be reacting, but that's it. I can't detect any display when I go into the display system preferences. Does anyone know how I can get the Apple Cinema display working again? Thanks for any help.

Ryan Nagy wrote:
Upon reflection, I think my issue is different. Probably should not have posted it here. As it turns out sometimes my display works, sometimes it does not. I think the power adapter has gone bad. A common occurrence here in Mexico where the power can fluctuate quite a bit. - Ryan
There are couple of long threads in the display section about problems with the power supplies on the 23" HD DVI. See this one for instance: https://discussions.apple.com/message/17981683#17981683
Mine one day just wouldn't turn on -- connected to an old G4 MDD and the Mini -- a bit of fiddling it would occasionally start up, sometimes not. Similar to what you described, the Macs would see it in System Profiler, but it just wouldn't turn on.
Based on that thread, I figured the problem was mostly likely the power supply. A local authorized repair place didn't have a spare for me to try, but the tech sniffed it and mentioned it the burnt electronics smell. LOL, I sniffed it and sniffed the power supply for my 20" DVI Cinema display -- indeed a weird smell.
Based on that thread, I decided to bite the bullet and buy a beefier 150" power supply for the 30" Cinema display, which Apple says in compatible with the 23". See: http://support.apple.com/kb/HT2803
I hooked it up, crossed my fingers, and it fired up right away. It's been working fine for about 3 months now. Cheaper than buying a new monitor.

External display no longer works after Mavericks install

I have a minidisplay port to DVI adapter that connects my Macbook Pro to my television through HDMI port (cable is HDMI to DVI).
This has worked fine for over 2 years, but as soon as I upgraded my Leopard OS to Mavericks, it stopped working.
A side topic is that my Android TV media centre also stopped working as it can no longer connect to my Macbook Pro (it used to work for the past few years).
What am I doing wrong? How can I solve my problems? I have tried everything on the forums, but nothing works at all.
Help, please, pretty please with sugar on top and a cherry!
Carlos

I'm not sure how installing an application would cause that to happen. Have you shut down (powered off) the iMac completely, and then restarted, since this problem occurred?
Some display settings are stored in PRAM, so if you have not already, try resetting PRAM
http://support.apple.com/kb/HT1379
If that does not help, you can try disconnecting the iMac from power and reconnecting it, using the reset SMC (power management) procedure.
http://support.apple.com/kb/HT1543
When you reconnect it, initially connect the iMac to a wall outlet, by itself. Leave all peripherals disconnected, except for your USB keyboard/mouse. Make sure it is working properly, then connect only the external display.
If it still does not work, as a test, start up with your Mac OS X installation disc. You are not installing anything, but note if the second display is displaying the background image or not when you are booted from a different system.

External display no longer working - stuck at blue screen

Hi everyone. I just don't know what in the bloody **** happened here.
Everything was working fine, I even had my macbook 13 upgraded to 10.5.6 and it always worked fine with my external DELL 2007WFP screen thru DVI cable and miniDVI adapter.
Suddenly when I got home today and plugged the miniDVI adapter, I saw the screen blinking forever at the blue screen that usually fades out to both screens with extended desktop turned on.
If I unplug the miniDVI adapter, everything gets back to normal on the macbook screen. I plug it again, I get the blinking blue screen.
Tried rebooting, unplugging everything else from the external screen, no luck.
If I boot the macbook with the external screen on and the macbook closed, then it is recognized fine and I can use it, but when I want to use both screens, it will blink again.
I need to use both screens as that's how I arranged my workspace.
Again, everything was working fine yesterday.
Thanks

Did you ever figure out what was doing this, and more importantly, did you get it fixed? I have the same thing happening to my macbook 13. It has worked fine in the past with external displays, both mini-DVI to DVI and mini-DVI to VGA, and many types of monitors/projectors. All of a sudden last week, i try to connect to my external monitor and I get the flashing blue - dark blue - light blue - repeat...
I tried the command-f1 trick to switch displays, and it sits there for a second, my desktop will flash onto the external monitor for a second, and then it'll give up and go back to the repeating blues.
I ran the hardware test, both the short and the long, to no avail.
I tried with the lid closed and an external mouse and keyboard. I tried this both from the startup and from when the laptop was already on.
Any ideas? Time to go to the genius bar?

Retina display no longer working

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