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  1. #1
    ROG Guru: White Belt Array
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    Exclamation Anybody hooked up G750JX and PG278q by displayport to get 144Mhz refresh rate?

    Hello community

    Just want to know if someone that actually have an G750JX, has successfully hooked up the notebook to a PG278Q, by displayport

    what was the result?

    Did you manage to get 144Hz refresh rate?

    What cable are you using?

    Thank you very much in advance my friends

  2. #2
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    Quote Originally Posted by Al_Jourgensen View Post
    Hello community

    Just want to know if someone that actually have an G750JX, has successfully hooked up the notebook to a PG278Q, by displayport

    what was the result?

    Did you manage to get 144Hz refresh rate?

    What cable are you using?

    Thank you very much in advance my friends
    I replied to your post on another forum, but I will copy paste it here.

    It's not just the refresh rate that dictates how much bandwidth you need. It's a combination of refresh rate AND resolution.

    A 640 x 480 resolution display at 400Hz uses less bandwidth than a 1920 x 1080 display at 60hz.

    I did your homework for you and found your laptop's specs. Here is a link.
    http://www.arp.com/medias/14482489.pdf

    It also specifically mentions your displayport's version. It is 1.1a. It is NOT 1.2, which is MANDATORY for running a 1440p at 144hz. Your displayport is not modern/fast enough to run your PG278Q at its native 2560x1440 @ 144hz.

    Your laptop is absolutely not capable of running this monitor at 1440p 144hz. Sorry. Get something newer to drive the monitor.
    Last edited by ssateneth; 09-04-2015 at 07:42 PM.

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