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  1. #1
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    Unhappy Mediatek MT7921 Miracast Problem

    I ve bought a new asus rog g513ih with mediatek MT7921 wifi card but everything is problem with this card,

    - Very slow download in different wifi channels, very fast in some wifi channels (fixed this with new driver, fine)

    - Sometimes connecting with miracast or widi sometimes not to tv (confused) changed modem router it's same tried to change ax to ac nothing changed

    - All connections are full of lag with all drivers containing the given one in this forum

    - I ve LG tv , tried TV 2 old computers they are not lagging freezing or nothing everything is fine

    - I dont think this problem is only with my wifi card, read lots of topics problems with this card


    Any fix for miracast widi ? My old phone can but new computer cant do it lol
    Last edited by turktiger; 10-07-2021 at 09:00 AM.

  2. #2
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    Hi turktiger,
    May I have the bios, wifi driver, and Asus MultiAntenna Service version?
    Do you connect to tv directly or through a dongle?
    If you adjust wifi channels to other channels in the router settings, are miracast and widi connections still lag?
    Thank you.

  3. #3
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    Unhappy

    Quote Originally Posted by STARRAIN@ROG View Post
    Hi turktiger,
    May I have the bios, wifi driver, and Asus MultiAntenna Service version?
    Do you connect to tv directly or through a dongle?
    If you adjust wifi channels to other channels in the router settings, are miracast and widi connections still lag?
    Thank you.
    Hi STARRAIN thanks for your reply,

    I don't have Asus Multiantenna Service Installed there is no such an app in MyAsus Drivers,

    i connect Laptop directy to LG Tv via Miracast or Widi, Widi connection is full of lag, Miracast connection is lagging in 30-60 seconds, yes i've tried with different wifi channels but still lagging (1 to 13 2.4 Ghz) (1-54 5Ghz) or oto channel mode not fixed.

    Bios v312 latest

    Wifi Driver 3.0.1.1198 (16.08.2021) - Tried given one in forum 3.2.xx not changed,

    Win 10 / 11 updated ones not fixed,

    This thing is making me crazy and i'm very confused, dont know what's causing to this problem, down up is fine but i wanna watch movies with pc to tv can't ?


    Edit: Found This Errors In Attachment
    Miniatura de Adjuntos Miniatura de Adjuntos ss.jpg  

    Last edited by turktiger; 10-07-2021 at 09:23 AM.

  4. #4
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    Hi turktiger,
    I'm afraid the attachment is too small and not clear to see the information.
    Could you please to upload more clear screenshot?
    May I have the model name of your LG tv and where did you download Wifi Driver 3.0.1.1198 (16.08.2021) and 3.2.xx?
    Have you tried MediaTek WLAN Driver V3.00.01.1100 and Asus MultiAntenna Service V3.1.3(in Software and Utility) from our support site?
    https://rog.asus.com/laptops/rog-str...pdesk_download
    Could you please help to record a video about Widi connection and Miracast connection?
    Thank you.

  5. #5
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    Angry

    Quote Originally Posted by STARRAIN@ROG View Post
    Hi turktiger,
    I'm afraid the attachment is too small and not clear to see the information.
    Could you please to upload more clear screenshot?
    May I have the model name of your LG tv and where did you download Wifi Driver 3.0.1.1198 (16.08.2021) and 3.2.xx?
    Have you tried MediaTek WLAN Driver V3.00.01.1100 and Asus MultiAntenna Service V3.1.3(in Software and Utility) from our support site?
    https://rog.asus.com/laptops/rog-str...pdesk_download
    Could you please help to record a video about Widi connection and Miracast connection?
    Thank you.
    Hello dear friend, i can see all details via pc the attachment above, the other drivers are given in this forum problematic Mediatek Topics

    Tv is LG UJ630V (No problem with tv i ve tested with 4 pc until now)

    i ve already said i have tested with all drivers containing yes with this too V3.00.01.1100

    And dont know what to see with video its full of lag nothing to see without this

    I don't think this thing is just for me I feel like a beta tester Isn't Asus not supposed to fix this problem, I've already tried everything you can ask, do you have a solution?

    I want a driver without errors lags etc ? Do asus have ?

    "All my trust in Asus was destroyed by a stupid wifi card" "I don't think I will buy an ASUS product after this time."

  6. #6
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    Hi turktiger,

    I'm sorry I can check the attachment now.
    Have you installed Asus MultiAntenna Service V3.1.3(in Software and Utility) from our support site?
    May I have the serial number of your laptop via PM?
    Thank you.

  7. #7
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    Angry

    Quote Originally Posted by STARRAIN@ROG View Post
    Hi turktiger,

    I'm sorry I can check the attachment now.
    Have you installed Asus MultiAntenna Service V3.1.3(in Software and Utility) from our support site?
    May I have the serial number of your laptop via PM?
    Thank you.
    Hi Starrarin this problem is not yours its ASUS's problem that who put a problematic card to this configuration dont worry,

    And Yes installed Nothing Changed now trying legal ways to ASUS {Problematic Product Selling}

    Serial Number: M7Nxxxxxxxxxxxx
    Last edited by turktiger; 10-17-2021 at 09:46 PM.

  8. #8
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    Hi turktiger,

    Please don't show the serial number in public.
    I'll consult our tech team more about this.
    Thank you.

  9. #9
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    Hi turktiger,
    After consulted our tech team, they would like to know the scenario and Miracast lag video.
    Could you please help to record a video about LG 55UJ630V Miracast connection?
    May I know the distance from the tv to your laptop, and the internet speed(Mbps) of you laptop while Miracast lag?
    Thank you.

  10. #10
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    Quote Originally Posted by STARRAIN@ROG View Post
    Hi turktiger,
    After consulted our tech team, they would like to know the scenario and Miracast lag video.
    Could you please help to record a video about LG 55UJ630V Miracast connection?
    May I know the distance from the tv to your laptop, and the internet speed(Mbps) of you laptop while Miracast lag?
    Thank you.
    Hi STARRAIN

    The minimum lagging version Win 10 64 bit - PC is closest to TV

    Link: https://www.afyonreklam.com.tr/vid.mp4 You would "right click - save as" cuz video size is 513 mb

    Are Modem Ports Open : YES
    Firewalls Are Closed: YES
    IS PC close to TV: YES
    Are u updated Windows: YES
    The Driver i ve using: 3.0.1.1100 Downloaded From Official Asus Website
    The Other Drivers: YES they are all official and latest ones
    BIOS: 312 Latest
    Asus Multiantenna Service: 3.1.3 latest

    There is no 3rd Party Aplications in PC

    Everything is original updated still lagging ???

    The other old pcs are not lagging same network same modem same TV

    Asus Rog Strix still lagging with different TV 's and modems and different WIFI channels


    The only problem is WIFI Card but not electronical, problem is Card's driver,this card is not stable and not working properly, everyone knows
    Last edited by turktiger; 10-21-2021 at 08:10 PM.

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