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This should have your display showing in the desired resolution of your choice. The settings that are stored in NVRAM depend on the type of Mac you're using, and the types of devices connected to it. Right click on the desktop and select Radeon settings option. Under the section Monitor Settings, click on the dropdown option and select the refresh rate. If the 2560 x 1080 resolution is not available when you select the scaled option, you can try to perform the NVRAM reset.Ī small amount of your computer’s memory, called “non-volatile random-access memory” or NVRAM, stores certain settings in a location that OS X can access quickly. Click on Display adapter properties for Display option. Read the file and find the parameters of the 2560x1080 60Hz, and enter them as a custom resolution.
#LG ULTRAWIDE RESOLUTION SETTINGS SWITCHRESX INSTALL#
MacOS Sierra: Adjust your display’s resolution 2: Install SwitchResX, choose LG Ultrawide, click Export EDID, and save the text file on your Desktop or something. Select Scaled, then select one of the options. Set the resolution for your primary displayĬhoose Apple menu > System Preferences, click Displays, then click Display. Id recently bought an Iiyama ProLite Ultra-wide 3440x1440 resolution monitor, and this default resolution was missing from the list of available sizes. If you have not done so already, you can try to manually change the resolution in your display settings of your System's preferences. My experience was thankfully a lot simpler than reading / applying EDID settings. I understand that you've lost the ability to use the 2560 x 1080 resolution when connected via HDMI to your LG Ultrawide monitor. Thanks for upgrading your Mac to OS Sierra.
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