You should remove this file, if you can access the file system, either byġ) accessing the file system from an other Mac on the network, via Remote Desktop, from ssh or by mounting a shared folder.ģ) OR via Target Disk mode if you have an other MacĤ) OR at last resort: reinstalling the OS above the existing install, which will keep your existing settings, but remove the system modified files.
You may have noticed that whenever your MacBook wakes after sleep, it forgets the arrangement of external monitors attached. (Resolved) Mac Forgets Dual Monitor Arrangement. Method 6: Use SwitchResX to Rearrange External Displays. It is the last modified file, that you can find if you sort by date. Method 3: Tweak Mission Control Settings. This includes convenient methods for managing the contents of multiple desktops, for creating custom resolutions for non-standard TVs and other display devices, and even advanced scripting support to switch between setting automatically. This file is located in /System/Library/Displays/Overrides/ on OS X up to 10.11, in /System/Library/Displays/Contents/Resources/Overrides/ on OSX 10.11 up to macOS 10.15.1, and finally in /Library/Displays/Contents/Resources/Overrides/ on macOS 10.15.2 and above. SwitchResX is a tool designed to manage resolutions of all your monitors and HDTVs. If you can't see the Finder or can't start SwitchResX Preferences itself, you'll have to delete the monitor profile file. This will delete all changes that you have made for this monitor. If you can get to the Finder, open SwitchResX Preferences, and press the "reset" or "factory defaults" button in SwitchResX Preferences for your monitor. Release the shift key when you see the "spinning gear" on the startup screen. When you hear the startup tone, hold down the shift key. To do that, turn your system off, then restart. You will have to remove the defined resolution from the macOS monitor profile file that SwitchResX had modified.įirst, try to reboot in safe mode. The resolution that you've defined may not be displayed on your screen, so the screen shows black or displays "signal not recognized".
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