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mackbookpro

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    How Do I Get 5120x1440 Resolution on Macbook Pro?

    Hi, I have a mid 2015 Macbook Pro and I just received the: 49" CRG9 Dual QHD Curved QLED Gaming Monitor (model number LC49RG90SSNXZA). The monitor is working, however, I get the following message on startup: The optimal resolution for this monitor is as follows: 5120 x 1440 60Hz Current...
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