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2.4Ghz v 5Ghz problems and advice needed

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  • 13-10-2020 10:17am
    #1
    Argo foc yourself
    Registered Users Posts: 273 ✭✭


    My chromecast kept asking me to reconnect device. After much testing I discovered it was due to the fibre broadband I just got.

    The modem was broadcasting 2.4 and 5Ghz. Once I stopped it broadcasting the 5Ghz everything was stable.

    I just tried to connect my laptop (5 years old) and it was unable to even see the wifi in the list of available networks.

    I turned back on the 2.4 and 5Ghz and the laptop can connect without any issues. However, my chromecast keeps disconnecting.

    Any advice? Is it possible to get the laptop to search/connect to 2.4 only?


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    #2
    advertsfox
    Registered Users Posts: 2,699 ✭✭✭advertsfox


    Whats the ISP / router? If the 2.4 and 5Ghz connections share the same name / password, this can cause issues. Might be worth renaming the 5Ghz network (just append -5G to the end) and trying to connect. Also be sure that uPnP is enabled, Chromecast requires it.


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    #3
    Argo foc yourself
    Registered Users Posts: 273 ✭✭Argo foc yourself


    advertsfox wrote: »
    Whats the ISP / router? If the 2.4 and 5Ghz connections share the same name / password, this can cause issues. Might be worth renaming the 5Ghz network (just append -5G to the end) and trying to connect. Also be sure that uPnP is enabled, Chromecast requires it.
    ok thanks- will check


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    #4
    Argo foc yourself
    Registered Users Posts: 273 ✭✭Argo foc yourself


    advertsfox wrote: »
    Whats the ISP / router? If the 2.4 and 5Ghz connections share the same name / password, this can cause issues. Might be worth renaming the 5Ghz network (just append -5G to the end) and trying to connect. Also be sure that uPnP is enabled, Chromecast requires it.

    Vodafone
    500 fibre

    I just had a look there and can't separate the names for 2.4 and 5.
    Only 1 name available


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    #5
    irishgeo
    Registered Users Posts: 9,493 ✭✭✭irishgeo


    Argo foc yourself wrote: »
    Vodafone
    500 fibre

    I just had a look there and can't separate the names for 2.4 and 5.
    Only 1 name available

    what's the model of the modem.

    i had the same issue until i separated the network out.


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