you might save yourself a which cable are you using? 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). Can even do 60Hz vs the reduced amount that was required to get SwitchResX working on High Sierra. Then I tried switching from HDMI to Display Port and now everything works fine on my old MBP without SwitchResX. 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. I tried all of the solutions above: uninstall and reinstall as a new user, update using EDID, renaming the relocated items file, etc. When I upgraded to Catalina SwitchResX no longer worked and I received the "Not activated - invalid?" message. I was using SwitchResX to display 2560 x 1080 on High Sierra without issue. Thought I should share in case anyone has the same issue I did. 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.Adjust the settings to match the appropriate PNG provided in this gist.Add a new custom resolution be clicking the + symbol at the bottom of the window.After launching SwitchResX, select the external monitor from the list on the left.Once in recovery mode, open a terminal window.Boot into the recovery partition by pressing CMD + R when starting up your Mac.If you are running OSX 10.11 or higher, SIP must be disabled. #Disabling System Integrity Protection (SIP) For more information, including download links, vist. SwitchResX is a utility that allows users to override the default resolution settings in OSX. Īll updates to all 4.x versions will remain free for you.#SwitchResX Settings for LG 21:9 UltraWide If you’re a registered user of SwitchResX 3.x or 4.x, you can update for free to the latest version (4.13.1). You can also download the Read Me file that is normally installed with the whole package above, as standalone download:Ĭlick here to download SwitchResX Read Me PDF documentation (English only) As such no refund can be granted once registered ! Please thus try SwitchResX and be sure that it works for you the way you want before registering ! Note that this registration is not a subscription ! Registering SwitchResX is definitive and entitles you to get lifetime updates to all future versions of SwitchResX 4.x. Simply register online or click the following button: Remember you can (and should!) try the software for free at first during 10 days, and register after having tried it ! You can buy the license on the FastSpring Store. If you are using MacOS X from 10.11 El Capitan to 10.15 Catalina, please take a look at this page. You can then continue to load all your custom settings again and also set up new ones. If you like SwitchResX, or SwitchResX has helped you, please think to register your software. It's a free try-out version which is fully functional for 10 days. Here you can download the latest version (4.13.1) of SwitchResX. SwitchResX can make life with an Apple Mac so much easier - so why not give it a try? Click the green arrow below to download the latest version
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