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External display's fonts are awful

Fonts look awful (blurry, hazy and jagged) on my external Dell U2412M monitor ever since I upgraded to Yosemite. Everything was dandy in Mavericks but now it's just awful. Is anyone currently facing similar issues? I have tried mirroring the display, turning off font smoothing, making sure the display is running in resolution that is best for the display - tried all sorts including turning the font smoothing down by changing AppleFontSmoothing value. Nothing helps.


Not only that it seems whatever resolution you choose when the OS boots up for the very first time it defaults to 1440x900 resolution. Is that normal? It's fine Once you login and logout...


Cheers...

MacBook Pro (Retina, 15-inch, Late 2013), OS X Yosemite (10.10)

Posted on Oct 23, 2014 8:20 AM

Reply
11 replies

Nov 4, 2014 12:13 PM in response to Ruud Altenburg

Isn't just incredible. Of late I am questioning the entire apple ecosystem. Their quality assurance aspects have taken a nose dive. Have you tried to preview an image by hitting the space bar? Seen the jittery animation? Noticed how mission control animations struggle on anything other than 1440x900 due non integer based interpolation they need to do for downscaling and upscaling... it's all just shocking... there was a time when people came into OS X because things just worked. It cannot be further from the truth. I run Linux everywhere and would not have bothered with OS X if it wasn't for Lightroom. I am pretty much waiting and hoping that 10.10.1 will address majority of these issues. If it doesn't this MacBook Pro is going straight on eBay! Goodbye Apple forever.... I just cannot imagine that on a top of the range hardware there will be so many issues because of the hideous software it runs! I don't care about 'Continuity' - just get the basics right...

Jan 10, 2015 12:30 PM in response to vidyerthy

Running a Mac Mini with a Toshiba 40" 1080P TV with PC Input. Same problem both PC input and HDMI. No native resolution available. I had a 27" 1080P screen that worked fine with a Thunderbolt adapter to DVI. HDMI and PC didn't work. Quite odd. I did have to use the alt key when selecting the screen resolution on the 27" to clear up the screen. If you haven't tried this, Settings : Display : and when selecting "Scaled" hold down the alt key for more resolution options. That fixed the 27" with a DVI adapter. I did use all three connectors on the 27" and only DVI worked.


When I set the Mac to a 4:3 resolution using the PC port on the 40" screen, the fonts look great but I lose 33% of the screen area. I also used ScreenResX. Didn't help, others have said it did on other forums.

Apr 13, 2015 1:05 PM in response to vidyerthy

Try this http://www.ireckon.net/2013/03/force-rgb-mode-in-mac-os-x-to-fix-the-picture-qua lity-of-an-external-monitor


  1. Basically, to to here https://gist.github.com/adaugherity/7435890, download the gist
  2. it'll be a zip file that most likely will download to your Downloads directory
  3. unzip the gist
  4. open terminal and (assuming the gist downloaded to your Downloads directory) type "cd ~/Downloads/gist7435890-66c54c17b179809b028b58a2ca7af0b9540d05b6"
  5. then type "ruby patch-edid.rb"
  6. Finally, "sudo mv the_name_of_the_new_directory_that_was_created /System/Library/Displays/Overrides"
  7. Then reboot your computer.


That should fix it. I worked for me. It also worked for a co-worker. The problem is Apple's monitors are made for the YCbCr color space, instead of RGB which 99% of the world uses.

Apr 13, 2015 1:21 PM in response to vidyerthy

vidyerthy wrote:


Isn't just incredible. Of late I am questioning the entire apple ecosystem. Their quality assurance aspects have taken a nose dive. Have you tried to preview an image by hitting the space bar? Seen the jittery animation? Noticed how mission control animations struggle on anything other than 1440x900 due non integer based interpolation they need to do for downscaling and upscaling... it's all just shocking... there was a time when people came into OS X because things just worked. It cannot be further from the truth. I run Linux everywhere and would not have bothered with OS X if it wasn't for Lightroom. I am pretty much waiting and hoping that 10.10.1 will address majority of these issues. If it doesn't this MacBook Pro is going straight on eBay! Goodbye Apple forever.... I just cannot imagine that on a top of the range hardware there will be so many issues because of the hideous software it runs! I don't care about 'Continuity' - just get the basics right...

Could not have said it better myself.


Apple doesn't appear to be focusing on the desktop side as much. There are a lot of issues on the desktop side. But, then again, Apple is going for the lowest common denominator. It's supposed to be easy, and hard to shoot yourself in the foot with. The downside is Apple has taken away our freedom. Apple has made its computers not work with non-Apple hardware; locking you in the Apple ecosystem.


If you want to tinker you have to go to homebrew or start installing from source, overwriting paths, and going through dependency ****.

The plus side, is, it's still hard to shoot yourself in the foot. I just updated my ubuntu server's XML parsing library, overwriting the standard libxml parser and now I can't update my ubuntu server. Oh well, i won't make that mistake again.


But, at least with Apple I was shielded, I learned a whole lot about the underlying system, and have a system that works the way I want it to. I can still upgrade to the latest release, and, the web cam works as does the wifi. I have a dual booted windows/ubuntu laptop which the webcam works on neither OS, nor does the SD card reader.

Jul 18, 2015 8:02 PM in response to kearneyATX

Hi, thanks for the reply.


So, I've been trying to do as you write, and I get to the final step, but after I've entered my password, terminal says: "mv: rename the_name_of_the_new_directory_that_was_created to /System/Library/Displays/Overrides/the_name_of_the_new_directory_that_was_creat ed: No such file or directory"


I checked that the .zip file was downloaded to the 'downloads' folder and unzipped as well. Any ideas?

External display's fonts are awful

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