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misidentifies

  1. M

    How can I get my Mac to properly identify my monitor?

    I had a Dell U2415 attached to my Mac Pro via 4K HDMI KVM, and I replaced it with an ASUS PA278QV monitor with 2560 x 1440 resolution. However, I only get the resolutions of the Dell U2415, for the Mac misidentifies this new monitor as the old Dell. How can I fix this?
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