Enter your password, hit Enter and the command will be executed.Īfter this, try starting your screensaver manually by opening System Preferences => Desktop & Screen Saver, clicking on the Screen Saver tab near the top middle, then clicking on the Hot Corners button at the bottom left. Terminal will then ask you for your password. Next, we need to enter the command to change permissions. We need to change the permissions of the /Library/ColorSync/Profiles/Displays files so lets first go to that directory by entering the following into the Terminal: Double click Terminal to launch the program. Within Utilities is the Terminal program. In your Applications folder, find the Utilities folder. I could imagine this workaround being annoying for those who have flourescent tube backlit monitors/screens, which would take a minute or two to reach full brightness and operate at full colour depth. This display instantly reaches full brightness whenever the screen turns on or wakes from sleep. Note: I use a “Santa Rosa” MacBook Pro which has an LED backlit screen. Although I no longer have beautiful screensavers dancing across my screen, I also never have to open up Display Preferences to get rid of the annoying blue tint after waking from a screen saver. This is done in System Preferences -> Energy Saver -> adjust the slider for “Put the display to sleep when the computer is inactive for: ” 10 minutes or whatever time you like. Then again, I no longer use a screen saver, rather, I sleep my display after a few minutes of idle time. I haven’t seen a blue tint on my Macbook Pro screen for over a year now. UPDATE 2: Permanent Workaround – Sleep Display. You won’t normally be able to get to this directory through Finder alone so it’s time to use the Terminal to fix this. Note that this directory is not within your home directory, but the “root” of your volume or hard disk. The above solution still works.) A more permanent fix to the sporadic blue tint, which may or may not work for you, is to change the file permissions on the color profiles located in /Library/ColorSync/Profiles/Displays. UPDATE: This permanent fix does not appear to work once you’ve changed your screensaver (or perhaps at all. Simply opening the Displays preference window reverts the color profile to the last good color profile, effectively removing the blue tinge. Ever wake your Mac from screensaver and find a bizarre blue tint or blueish tint to the display screen? The blue tinge can be fixed or removed by opening up Display Preferences (from System Preferences Panel, Second Row => Displays).
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