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My 27" iMac can run in 1280x720 "HiDPI Mode", which is just the native resolution of 2560x1440 cut in half (quarters?). It's a native feature in OS X, although

My 27" iMac can run in 1280x720 "HiDPI Mode", which is just the native resolution of 2560x1440 cut in half (quarters?). It's a native feature in OS X, although it has to be enabled manually before it shows up.

jfb 13y ago
sudo defaults write \ /Library/Preferences/com.apple.windowserver.plist \ DisplayResolutionEnabled -bool true ... and then reboot. I run my main screen (a 27" iMac) at native and my secondary (a 27" Thunderbolt display) at ¼ res HiDPI. It's a good compromise.
- FootballMuse 13y ago
  This doesn't work in Mavericks (on external monitors), and as far as I know, there is no other method that works.
  - jfb 13y ago
    It's working for me right now. Hmm. I wonder if there's some other default I've poked?
    - FootballMuse 13y ago
      Sorry, edited. The issue is with external monitors.
      - jfb 13y ago
        Again, I have it working. Did you reboot? Maybe it's a video card thing?