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Thread: Notebook WLAN interface not recognized any more

  1. #1
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    Question Notebook WLAN interface not recognized any more

    Hello Forum,

    on an ASUS K73E laptop (core i3, 4GiB, SDD), about 7 years old, running OpenSUSE 15.0, the WLAN interface suddenly became unavailable.
    • "hwinfo --wlan" showed nothing
    • "hwinfo --network" showed (of course) only "Ethernet" and "lo" interface ...
    • ... so did "ip link list"
    • "lspci" did only show Ethernet controller, no WLAN
    • manually loading the required driver "ath9k" did not change anything, also no outputs on syslog while loading
    • booting Leap 15.1 "Network Installation" as test did not detect the WLAN


    So, I guess this is a HW defect ? Or is there something else I have overseen or I can check ?

    Regards, Wumpus

  2. #2
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    Default AW: Notebook WLAN interface not recognized any more

    Please post
    Code:
    /sbin/lspci -nnk | grep -iA3 net
    or if it is an USB-Adapter:
    Code:
    lsusb

  3. #3
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    Default Re: Notebook WLAN interface not recognized any more

    Along with sauerland's suggestion, make sure to check that you haven't accidentally disabled the wifi via a switch or function key perhaps.
    openSUSE Leap 15.1; KDE Plasma 5

  4. #4
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    Default Re: AW: Notebook WLAN interface not recognized any more

    Quote Originally Posted by Sauerland View Post
    Please post
    Code:
    /sbin/lspci -nnk | grep -iA3 net
    Hi Sauerland,

    sorry for the delay - no access to the computer. The result is:

    Code:
    data:/home/XXX # lspci -nnk | grep -iA3 net
    02:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet [1969:1083] (rev c0)
            Subsystem: ASUSTeK Computer Inc. Device [1043:1851]
            Kernel driver in use: atl1c
            Kernel modules: atl1c
    That however seems only to be the Ethernet interface.
    A deano_ferrari suggested, I also checked if the WLAN was deactivated by function key (Fn-F2 in my case), pressing this however did not change anything; and a switch does not exist.

  5. #5
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    Default AW: Notebook WLAN interface not recognized any more

    HW-defect?

  6. #6
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    Default Re: AW: Notebook WLAN interface not recognized any more

    It would be a good idea to check that the card is not dislodged or just needs reseating perhaps, and not generally a big deal if it does need replacing. There are manuals and youtube videos online that should show you the access details if necessary.
    openSUSE Leap 15.1; KDE Plasma 5

  7. #7
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    Thumbs up Re: AW: Notebook WLAN interface not recognized any more

    Quote Originally Posted by Sauerland View Post
    HW-defect?
    That is my opinion, too; I will check for dislodging and try to reseat, or even get a replacement, no big deal.
    Just wanted to check if I've missed something, thanks for help .

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