![]() ![]() Boot into the recovery partition by pressing CMD + R when starting up your Mac.Once in recovery mode, open a terminal window.After launching SwitchResX, select the external monitor from the list on the left.Add a new custom resolution be clicking the + symbol at the bottom of the window.Adjust the settings to match the appropriate PNG provided in this gist.Close SwitchResX and save when prompted.Īfter following these steps, you should be able to adjust the resolution of your external monitor through the 'Display' window in System Preferences.Thought I should share in case anyone has the same issue I did. I was using SwitchResX to display 2560 x 1080 on High Sierra without issue. When I upgraded to Catalina SwitchResX no longer worked and I received the "Not activated - invalid?" message. I tried all of the solutions above: uninstall and reinstall as a new user, update using EDID, renaming the relocated items file, etc. I reached out to the developer and he helped me troubleshoot but was ultimately told that the video drivers in Catalina had a restriction that was not in the previous OS and there was nothing that could be done, my machine just could no longer support 2560 x 1080. Then I tried switching from HDMI to Display Port and now everything works fine on my old MBP without SwitchResX. Can even do 60Hz vs the reduced amount that was required to get SwitchResX working on High Sierra. I don't know how this works with other resolutions but for 2560 x 1080, if you have displayport and are not super techie (as I am not). you might save yourself a which cable are you using? ![]() But, if you are the type of user who needs to often switch between screen resolutions or works with more than one display on his Mac, then you will surely consider this little app a must-have.I just copied to the systems folder like this: 'sudo cp DisplayYearManufacture-2015-DisplayWeekManufacture-1 /System/Library/Displays/Contents/Resources/Overrides/DisplayVendorID-1e6d'.Īfter that I renamed the file to match the product ID: 'DisplayProductID-59f1 '. To conclude, Resolutionator is not the kind of app that will impress you in any way, and chances are you will not even notice its presence in the menu bar. Not only this, but users with Retina Macs might also find this app very useful in situations where the native resolution makes everything seem way too small. A special shout-out for users with Retina Macsīut, Resolutionator also makes sense in the world of Retina displays where, for example, it enables you to use resolutions greater than your Mac’s real resolution. If, by now, you are probably wondering who would benefit from what Resolutionator has to offer, the answer is quite simple: this app is perfectly aimed at users who either work with multiple displays and need different resolutions and at users who often find themselves having to switch the resolution of their Mac’s screen. In addition, Resolutionator is capable of detecting any other external displays connected to your Mac and makes it possible for you to quickly switch their resolutions directly from the menu bar. View all external displays connected to your Mac and change their resolution with just a few clicks It may seem like not much, but Resolutionator has some other few tricks and advantages to offer: it enables you to use other resolutions than those displayed in the System Preferences panel and to instantly switch resolutions with the help of user-defined keyboard shortcuts, just to get started. Switch between resolutions with a few clicks from the menu bar or via a keyboard shortcutĪnd what better place for such a useful little app, if not the menu bar? That’s right, after its installation, Resolutionator will seamlessly integrate itself into the status bar from where it will display all the supported resolutions for your Mac’s screen. Resolutionator is a straightforward utility that is designed to make it as easy as possible for you to switch your Mac’s screen resolution without having to fiddle about in the System Preferences. ![]()
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