Blurry view on Macbook Pro Retina

Why PSE 12 has a blurry view on my macbook pro with retina?.,how to solve this problem?

yeah, i already do it but does'nt work,.the blurry view i mean is all content on PSE 12 view, include fonts and image.
when i check on get info there is checklist on "open low resolution" and i can't do more because deselect checklist not working

Similar Messages

  • How to view my macbook pro retina on a iMac late 2009?

    How to view my Macbook Pro Retina on a late 2009 27" iMac? Note: Mini DisplayPort won't fit.

    Hi rainson,
    Here is a list of video adapters and the Mac models they can be used with:
    About Apple video adapters and cables
    http://support.apple.com/kb/ht3235
    This article describes Target Display Mode, which may also be useful for what you are trying to do:
    Target Display Mode: Frequently Asked Questions (FAQ)
    http://support.apple.com/kb/ht3924
    Cheers!
    - Ari

  • Photos on sites are blurry on the Macbook Pro Retina Display?

    I just got a Macbook Pro Retina Display and while browsing I noticed that logos and photos on sites looked blurry. this is something that really bothers me in the fact that I'm a design and photography student.. i dont know if i should return it and get the old macbook pro or what...

    Give the world time. Resolutions above 2560x1600 are only meant for the 30" cinema display I am using right now, and the rest of the world does not have resolution suited for displays above 200ppi below 30". But, you are a photographer, so am I, and the Retina Display is beautiful at high res content including DSLRs and film scans.

  • Macbook Pro Retina External Monitor Blurry

    Just got a new macbook pro retina and got it home. After getting everything transferred over from my old toshiba I connected it to my 1 month old HP external monitor and the display is blurry. I have read on many sites that this is a common problem however I can not find a solution. I am hook up from HDMI to HDMI. O don't really want to go through trial and error of different adapter for the lightning port if that will not work. I have tried different HDMI cables to no success. Any Ideas?

    Hi AO1 James,
    If I understand correctly, the external monitor was blurry from the moment you plugged it into your MacBook Pro with Retina display. I would first check the resolution settings for the monitor with the "How do I select additional resolutions on my display?" section of the following article:
    Apple computers: Troubleshooting issues with video on internal or external displays
    If it remains blurry after selecting your monitors optimal resolution, I would use the steps under the "Reset the system" section of the article to help troubleshoot the issue.
    Thank you for using Apple Support Communities.
    All the best,
    Sterling

  • MacBook Pro Retina "Gets Hot when viewing RAW images"

    MacBook Pro Retina Gets really Hot when viewing RAW images - somebody has this issue? Solutions?

    Welcome to Apple Support Communities
    First, download Temperature Monitor and tell us the temperatures of the MacBook > http://www.bresink.de/osx/TemperatureMonitor.html
    The MacBook Pro with Retina display is made of aluminum, so it's normal that it gets hot. However, if the temperature inside is very high, fans will turn on automatically. If this doesn't happen, it may have a hardware problem

  • Macbook Pro Retina - Adobe Blurred Text

    Hi, I have purchased a Macbook Pro with retina display.  When I use Adobe Acrobat pro the text is blurred.  Does anyone know a solution to this problem?

    I've been reading the reviews etc, and looked at the Adobe forums, but I've not found that much main info.
    Basically from all the reviews I have read, everyone thinks it's an excellent machine, and the Retina is great. Adobe's UI in CS6 apparently looks a bit blurry, but hopefully Adobe will fix this, and it's perfectly usable anyway.
    Check out the Verge's review: http://www.theverge.com/2012/6/13/3082649/macbook-pro-review-retina-display-15-i nch
    I've decided just to go for it, and ordered a Macbook Pro Retina, 2.3ghz with the extra 16gb Ram. My usual setup at my studio at work (I'm a freelance Illustrator and animator) is hooking my current 2009 MBP to my 20" Cinema Display.
    Since I walk to work the slimmer design will be great, and if Adobe's programs are a bit dodgy on the retina display, it won't matter too much when I'm using my Cinema Display. It might make my display look old, but I'll probably upgrade that and get a 27" display in the future.
    The retina display will be a nice addition for surfing the web etc.
    Now if only Apple would release a non glassy cinema display again... Apple? : )
    I hope that helps from my point of view.

  • Macbook Pro Retina and Adobe cs6

    HI!
    I'm pretty much ready to buy a Macbook Pro Retina and buy the adobe cs cloud too. I know Photoshop is to be updated to Retina, but I've not heard anything regarding Illustrator and After Effects.
    My questiom is this: Does anyone know how non Retina compatible software, specifically cs6 or cs5 looks? I've read Engadget's review, which is very positive. However, they say non compatible programs look bad - blurry text etc.
    Had anyone managed to get one yet, and whats your view with Adobes apps?
    Everything else sounds ace (apart from the waiting times)!
    Many thanks!

    I've been reading the reviews etc, and looked at the Adobe forums, but I've not found that much main info.
    Basically from all the reviews I have read, everyone thinks it's an excellent machine, and the Retina is great. Adobe's UI in CS6 apparently looks a bit blurry, but hopefully Adobe will fix this, and it's perfectly usable anyway.
    Check out the Verge's review: http://www.theverge.com/2012/6/13/3082649/macbook-pro-review-retina-display-15-i nch
    I've decided just to go for it, and ordered a Macbook Pro Retina, 2.3ghz with the extra 16gb Ram. My usual setup at my studio at work (I'm a freelance Illustrator and animator) is hooking my current 2009 MBP to my 20" Cinema Display.
    Since I walk to work the slimmer design will be great, and if Adobe's programs are a bit dodgy on the retina display, it won't matter too much when I'm using my Cinema Display. It might make my display look old, but I'll probably upgrade that and get a 27" display in the future.
    The retina display will be a nice addition for surfing the web etc.
    Now if only Apple would release a non glassy cinema display again... Apple? : )
    I hope that helps from my point of view.

  • Pixelated text and graphics in MacBook Pro Retina

    Why are text and graphics in pixelated in Numbers and iBooks applications, to name two, on the MacBook Pro Retina? All updates have been downloaded.

    Clinton- The problem is that the way things are setup is a bit confusing. Apple doesn't let us use the actual full resolution of 2880 x 1800, in relateive size. There is a hack to see the screen at full native resolution, and it's unbelievably small. So what they do is use the pixels, but use 4 vs 1, and thus they make the UI look like it would look as standard 1440 x 900 display. I have an old 15" and looking at both, the UI is the same relative size on the screen. However the retina is using more pixels to make the same physical size.
    Now, Apple also lets apps use 1:1 within their "working area." For instance, if you view a graphic on a web page, it shows it doubled, and pixelated. But if you drag that image to the desktop then open in Preview, preview will show it half size of Safari, but in actual resolution. it's sharp, but half the size of Safari, as Safari is doubling it. So apps can take advantage of that but will have to be updated. Pixelmator isn't updated, and graphics/text/vectors are blurry in their work area, but once you save/export, and view in preview, they are perfect.
    So there is going to be a lot of strange stuff going on until everyone gets on the same page.
    I did find you can view Pages/Numbers with better resolution (just not icons) by right-clicking "get info" and unchecking open in low resolution. But Pages acts weird. I will post a screenshot in a minute about what I mentioend about apps using the native resolution within work spaces.
    Bryan

  • Macbook Pro Retina problem connecting to HP 23xi

    Hello Community,
    I've been experiencing a problem, I bought a 13' Macbook Pro Retina. Not quite a cheap machine.
    But when I connect through HDMI to my HP 23xi , the screen gets blurry and cut (which I was able to fix in the setting). I tried messing with the configurations, but it simply won't get better.
    I presume it's because it is retina, of course. But I bought this monitor, a quite nice monitor a month ago, and I do not want to sell it nor throw it away.
    I bought this Mac to do web design , but this is not the outcome I was expecting at all.
    I've seen the other post about the RGB fix, altough I haven't tried it because it isn't very pratical, my problem is not the color, but rather the pixelated resolution that appears on the display.
    What should I do?
    My Kindest Regards,
    Luisvf7
    This question was solved.
    View Solution.

    Looking at the specs for the MacBook,
    Thunderbolt digital video output
    Native Mini DisplayPort output
    DVI output using Mini DisplayPort to DVI Adapter (sold separately)
    VGA output using Mini DisplayPort to VGA Adapter (sold separately)
    Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)
    HDMI video output
    Support for 1080p resolution at up to 60Hz
    Support for 3840-by-2160 resolution at 30Hz
    Support for 4096-by-2160 resolution at 24Hz
     I would consider using a Mini DisplayPort to Dual-Link DVI adapter for Thunderbolt digital video. 
    You will not achieve the 2560 x 1600 display resolution that your MacBook Pro is capable of on your HP display as the display is not capable of that. Specs for the display
    ****Please click on Accept As Solution if a suggestion solves your problem. It helps others facing the same problem to find a solution easily****
    2015 Microsoft MVP - Windows Experience Consumer

  • Adobe Illustrator CC on MacBook Pro Retina 15"

    Hi everyone,
    I have brand new MacBook Pro Retina 15" version with 8GB ram, i7 cpu, SSD disk
    and I have little problem in Adobe Ai CC:
    When I move many big objects in Ai everything align and move smooth.
    But when i scroll, zoom, move the view it's very slow and I see that framerate is very slow.
    It's not scrolling smoothly.
    Can anybody help me fix that issue? I have all up-to-date and system is brand new with
    only Adobe CC some programs installed.
    Regards,
    Kordian Szust

    Having some lag issues on a new imac at work in illustrator CC. According to a similar photoshop thread, the issue seems to be with the new Intel Iris Pro graphics....

  • New MacBook Pro retina 13" arrived - first impressions and questions!

    My new MacBook Pro retina 13" arrived today, two weeks earlier than the promised delivery date. My version is the 2.6 GHz i5, 512 GB SSD and I maxed the RAM out to 16 GB, since there is no upgrade later. I also customized the keyboard, since I live in Japan but prefer the US keyboard.
    I posted unpacking photos and initial comments to my blog: http://lerner.net/new-macbook-pro-arrived/
    I want to talk about some of those points, and ask some more detailed questions here. I hope others find the questions useful.
    1. The keyboard is extremely nice. I like it better than the Bluetooth keyboard I have for my iMac right now. It has a nice feel to it.
    2. No dead pixels! As some of you might now from old messages, I get really paranoid about new Apple notebook computers. If I find even one dead pixel it gnaws at me and I call Apple and complain until they exchange it for a perfect screen. Well I’m happy to report that I went through thorough pixel tests in white, black, red, blue and green and all the pixels seem 100% perfect. Yay!
    4. The speaker seems quite nice. I played some music, and it sounded very beautiful to me, with good volume. I know some reviews of the MacBook Pro criticize the speaker quality, but it sounds as good or better than any of the speakers I currently have. I was quite pleased with that.
    5. The retina display is very beautiful of course. I don’t need to have it turned up anywhere near the maximum brightness. There is a very good illumination range.
    6. Because of the SSD drive, start up is very quick. Also it makes no noise at all. And it’s very light.  I’m glad I went for the 13 inch pro model. It was just a little bit more expensive, and just 200 g heavier. I can see this  replacing my iMac with the external monitor I bought.
    Some questions:
    Q1. Do I need protection pads for the hand rest to prevent discoloration over time? My old MBP 17" would get black-blotchey after a while. Eventually I got the top case replaced under AppleCare and protected it with pads. That was the late 2006 model. Is the construction material the same? Will my nice metal body lose its metallic finish and show dark blotches over time without protection?
    Q2. What are the best practices for battery use and sleep? My iMac is on all the time and only the display sleeps. I hear it's not best for the lifetime of the MacBook Pro to leave it connected all the time. Yet I need to run my daily CCC (Carbon Copy Clone) complete bootable backup, which runs at 3:30 am every day. So it seems I need to keep it plugged in all the time. Any suggestions here, regarding both battery charging and also turning it off vs putting it to sleep vs power nap vs leaving it running all the time like I do with my iMac?
    Q3. Is the "put hard disk to sleep when possible" meaningful at all for SSD?
    Q4. Is there a sleep indicator when the lid is closed? I didn't notice any.
    Q5. I notice I can view my iMac's music and TV library and everything plays instantly. That’s just wireless right? Because I have sharing turned on on my iMac I suppose. It seems as fast as if it were on my MacBook Pro though.
    Q6. A strategy question: I wonder if I should migrate from Time Machine and carry along years of garbage and wasted disk space, or just install and move things as needed. I'm tempted to do the latter and start afresh. Especially since a lot of stuff is in the cloud already: Evernote, Dropbox, etc. Initial installation of some apps, like Parallels Desktop and Office might take some time, but I bet I would save a huge amount of disk  space.  Yet the Migration tool which uses Time Machine is supposed to be good.
    I guess that's it for now.
    Thanks,
    Doug

    hands4 wrote:
    Q6 (Migrate using Time Machine?)
    If you don't want to automatically bring over everything, I would use CCC to clone the old system drive and then use that clone to drag the wanted files onto the new machine.  I would treat that CCC clone as a read-only archive until you were sure there are no additional files you want to migrate.
    I use a combination of CCC and Time Machine to backup my Mac.  CCC provides the reliability of simplicity and quick booting should the internal drive fail.  Time Machine's incremental backups have saved my bacon several times when a file "disapeared" or I saved a modificaton that I needed to reverse.  However the complexity of Time Machine during full restores can be a problem.  I have had Time Machine full restores fail at which time I was very happy I had a second backup to fall back on.   It is prudent to maintain more than one backup.
    I agree completely about using the combination of CCC and Time Machine and it sounds like you and I use it the exact same way, and for the exact same reason. I hae also had Time Machine full restores fail (particularly with Apple Mail) and was very glad to also have the CCC backup.
    The only thing I'm concerned about is making sure I grab everything I need for particular applications. For example, I'm not quite sure what all needs to be copied over from CCC to the new computer for Office 2008, which I am still running. It might be easier in that case to re-install certain software.
    Thanks,
    Doug

  • Macbook Pro Retina crashing when running Safari and iTunes since Mavericks

    Hello everyone.  I am starting a new thread even though there seem to be a lot of various crash reports.  I have noticed several entire system crashes (never, ever happened on my mac before until I updated to Mavericks) when using iTunes and Safari at the same time.  The entire computer crashes and/or freezes up - no keyboard or mousepad response, and no crash report, only option to manually restart by holding down power button. I include an etrecheck report below fyi, but cannot seem to locate anything myself.  I do not use external montiors or any other open apps or extensions.  OI have put this under Mavericks because this problem (as well as others I have had to fix) has only begun since updating the OS.  Apple tells me that I just have to be patient for the other software to catch up to Mavericks - but this is Apple's software!  Any ideas?  Many, many thanks, and Merry christmas.
    Hardware Information:
              MacBook Pro (Retina, Mid 2012)
              MacBook Pro - model: MacBookPro10,1
              1 2.3 GHz Intel Core i7 CPU: 4 cores
              8 GB RAM
    Video Information:
              Intel HD Graphics 4000 - VRAM: 1024 MB
              NVIDIA GeForce GT 650M - VRAM: 1024 MB
    Audio Plug-ins:
              BluetoothAudioPlugIn: Version: 1.0 - SDK 10.9
              AirPlay: Version: 1.9 - SDK 10.9
              AppleAVBAudio: Version: 2.0.0 - SDK 10.9
              iSightAudio: Version: 7.7.3 - SDK 10.9
    System Software:
              OS X 10.9 (13A603) - Uptime: 0 days 0:0:59
    Disk Information:
              APPLE SSD SM256E disk0 : (251 GB)
                        EFI (disk0s1) <not mounted>: 209.7 MB
                        Macintosh HD (disk0s2) /: 250.14 GB (142.94 GB free)
                        Recovery HD (disk0s3) <not mounted>: 650 MB
    USB Information:
              Apple Inc. FaceTime HD Camera (Built-in)
              Apple Inc. Apple Internal Keyboard / Trackpad
              Apple Inc. BRCM20702 Hub
                        Apple Inc. Bluetooth USB Host Controller
    FireWire Information:
    Thunderbolt Information:
              Apple Inc. thunderbolt_bus
    Kernel Extensions:
    Problem System Launch Daemons:
    Problem System Launch Agents:
    Launch Daemons:
              [loaded] com.adobe.fpsaud.plist
              [loaded] com.oracle.java.Helper-Tool.plist
    Launch Agents:
              [loaded] com.divx.dms.agent.plist
              [loaded] com.divx.update.agent.plist
              [loaded] com.oracle.java.Java-Updater.plist
    User Launch Agents:
              [loaded] com.divx.agent.postinstall.plist
              [loaded] com.google.keystone.agent.plist
    User Login Items:
              iTunesHelper
    3rd Party Preference Panes:
              Flash Player
              Flip4Mac WMV
              Java
    Internet Plug-ins::
              Google Earth Web Plug-in: Version: 5.2
              Default Browser: Version: 537 - SDK 10.9
              Flip4Mac WMV Plugin: Version: 3.2.0.16   - SDK 10.8
              AmazonMP3DownloaderPlugin1016264: Version: Unknown
              OfficeLiveBrowserPlugin: Version: 12.3.6
              OVSHelper: Version: 1.1
              FlashPlayer-10.6: Version: 11.9.900.170 - SDK 10.6
              DivXBrowserPlugin: Version: 2.2
              AmazonMP3DownloaderPlugin101749: Version: Unknown
              Flash Player: Version: 11.9.900.170 - SDK 10.6
              iPhotoPhotocast: Version: 7.0
              QuickTime Plugin: Version: 7.7.3
              RealPlayer Plugin: Version: Unknown
              Silverlight: Version: 5.1.10411.0 - SDK 10.6
              Unity Web Player: Version: UnityPlayer version 2.5.5f1
              JavaAppletPlugin: Version: Java 7 Update 45
    User Internet Plug-ins::
              AddLive: Version: AddLive 2.1.6.1
    Bad Fonts:
              None
    Old applications:
              Keynote:          Version: 5.3 - SDK 10.5
                        /Applications/iWork '09/Keynote.app
              Microsoft AutoUpdate:          Version: 2.3.6 - SDK 10.4
                        /Library/Application Support/Microsoft/MAU2.0/Microsoft AutoUpdate.app
              Microsoft Error Reporting:          Version: 2.2.9 - SDK 10.4
                        /Library/Application Support/Microsoft/MERP2.0/Microsoft Error Reporting.app
              Microsoft Ship Asserts:          Version: 1.1.4 - SDK 10.4
                        /Library/Application Support/Microsoft/MERP2.0/Microsoft Ship Asserts.app
              Pages:          Version: 4.3 - SDK 10.5
                        /Applications/iWork '09/Pages.app
              SLLauncher:          Version: 1.0 - SDK 10.5
                        /Library/Application Support/Microsoft/Silverlight/OutOfBrowser/SLLauncher.app
    Time Machine:
              Skip System Files: NO
              Mobile backups: OFF
              Auto backup: NO
              Volumes being backed up:
                        Macintosh HD: Disk size: 232.96 GB Disk used: 99.84 GB
              Destinations:
                        Iomega_HDD [Local] (Last used)
                        Total size: 465.64 GB
                        Total number of backups: 6
                        Oldest backup: 2012-10-15 22:22:44 +0000
                        Last backup: 2013-12-13 12:43:34 +0000
                        Size of backup disk: Adequate
                                  Backup size 465.64 GB > (Disk used 99.84 GB X 3)
              Time Machine details may not be accurate.
              All volumes being backed up may not be listed.
    Top Processes by CPU:
                   6%          mds_stores
                   3%          WindowServer
                   2%          mds
                   2%          EtreCheck
                   0%          Safari
    Top Processes by Memory:
              147 MB          Dock
              139 MB          com.apple.IconServicesAgent
              131 MB          Safari
              123 MB          mds_stores
              98 MB          WindowServer
    Virtual Memory Statistics:
              5.18 GB          Free RAM
              1.64 GB          Active RAM
              305 MB          Inactive RAM
              901 MB          Wired RAM
              300 MB          Page-ins
              0 B          Page-outs

    If you have more than one user account, these instructions must be carried out as an administrator.
    Launch the Console application in any of the following ways:
    ☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
    ☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
    ☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
    Step 1
    Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select
    View ▹ Show Log List
    from the menu bar.
    Enter "BOOT_TIME" (without the quotes) in the search box. Note the timestamps of those log messages, which refer to the times when the system was booted. Now clear the search box and scroll back in the log to the last boot time after  you had the problem. Select the messages logged before the boot, while the system was unresponsive or was failing to shut down. Copy them to the Clipboard by pressing the key combination command-C. Paste into a reply to this message (command-V). Please include the BOOT_TIME message at the end of the log extract.
    If there are runs of repeated messages, post only one example of each. Don’t post many repetitions of the same message.
    When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
    Please do not indiscriminately dump thousands of lines from the log into this discussion.
    Important: Some private information, such as your name, may appear in the log. Anonymize before posting.
    Step 2
    Still in Console, look under System Diagnostic Reports for crash or panic logs, and post the entire contents of the most recent one, if any. In the interest of privacy, I suggest you edit out the “Anonymous UUID,” a long string of letters, numbers, and dashes in the header of the report, if present (it may not be.) Please don’t post any other kind of report — it will be very long and not helpful.

  • How to get new Macbook Pro Retina (late 2013) to detect external monitor via HDMI?

    Hi everyone, this is my first Mac and for the most part it's been really, really wonderful.
    This is my first major glitch:  I cannot get it to detect my external display:  It is an ASUS PA248Q, manufactured Aug 2012.
    The HDMI cable according to my Amazon history is at least 1.3c from 2010,  "Fanatic Digital Imperial Series Gold-Plated HDMI Cable (6 feet)".
    It works with perfectly connecting an AmazonTV box to an old Samsung TV, with vivid clarity, unlike our cableTV signal.
    Just in case, I have a new HDMI cable on order, which claims to be of newest standards.
    The Macbook Pro Retina (late 2013) has the standard Intel Iris from the Haswell chips, as well as Nvidia GT 750M, the latter which I don't think has been used yet.
    The ASUS display says:  HDMI NO SIGNAL.
    I have tried shutting them down and replugging the cable.  I don't know what the ideal order is.  The Macbook Pro is plugged into AC power, as suggested.
    In System Preferences>Display, I press the Option key to select "Detect Displays" option (seriously unintuitive).
    I have also tried resetting the NVRAM:
    I shut the machine down.  Pressed the power button, then quickly held the quadruplet:  Option-Command-P-R  (a double handful) and waited for the machine to chime a 2nd time.  Tried to detect external display no luck.
    Next, I reset the SMC:
    I shut the machine down.  Then I pressed Shift-Control-Option-Power   for about 5 to 10s.  Then I turned on the machine normally.
    NVRAM & SMC steps were from an old youtube video, as the instructions I had did not explain how to do so clearly.
    Please let me know if I"m doing something wrong.
    Seems so exorbitant to pay $350 for Apple Care;  that's a the cost for a whole new cheap laptop.
    I will search the forums again.  If anyone answers this,  thank so much!

    Hello there, willr314.
    It sounds like you've covered most of the practical steps found in this Knowledge Base article:
    Apple computers: Troubleshooting issues with video on internal or external displays
    http://support.apple.com/kb/ht1573#1
    No video or no signal, image distortion, "snow," or flickering
    Check connections
    When using an external display be sure to check the following:
    If you're using an Apple notebook, confirm the AC power cable or adapter is securely connected to the computer and the cable providing power to the display is also secure. It is always good to have your notebook connected to AC power when an external display is in use.
    Confirm display adapters are fully seated in their respective connections and that they are supported models and for the computer and display. Refer to these articles to assist you with adapter compatibility and further configuration information:
    Monitor and Display Adapter Table
    About Mini DisplayPort to HDMI adapters
    Apple Mini DisplayPort adapters: Frequently asked questions (FAQ)
    Thunderbolt ports and displays: Frequently asked questions (FAQ)
    Remove all display cable extenders, KVM switches, or other like devices and retest to determine if the issue is resolved.
    Try unplugging the video adapter or cable and then plug it back in.
    If more than one video adapter is in use (or "daisy-chained"), troubleshoot by using only one adapter.
    Example: A mini DisplayPort to DVI adapter connected to a DVI to HDMI adapter is an unsupported configuration because there is a series of adapters in use.
    If available, try using a different display and or adapter (or use a different connector by using DVI instead of VGA, for instance).
    Reset the system
    You can reset the Mac's parameter RAM and SMC.Reset the resolutionStart 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.
    The article does offer some additional links and recommendations as well:
    These articles may offer additional assistance and information about displays and video adapters:
    Apple Portables: How to use your computer in closed lid mode with an external display
    Apple Cinema Display (30-inch DVI) has 1280 x 800 as the maximum available resolution
    Mac Pro (Early 2009), Mac Pro (Mid 2010): Supported display configurations
    For assistance with Retina displays, please see Frequently asked questions about using a Retina display.
    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).
    Thanks for reaching out to Apple Support Communities.
    Cheers,
    Pedro.

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    Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x02FE, 0x000000000000000000000000000000000000

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