Cachyos log

Wi-Fi Adapter Not Detected - Support Report

System Info:

    OS: (please add your distro and kernel version, e.g. Arch Linux 6.x.x)

    Kernel Modules Loaded:

    rtw88_8822bu           12288  0
    rtw88_usb              36864  1 rtw88_8822bu
    rtw88_8822b           233472  1 rtw88_8822bu
    rtw88_core            356352  2 rtw88_usb,rtw88_8822b
    mac80211             1757184  2 rtw88_core,rtw88_usb
    cfg80211             1441792  3 88x2bu,rtw88_core,mac80211

Hardware:

    USB Wi-Fi Adapter: TP-Link 802.11ac NIC

    USB Device ID: 2357:0138

    Confirmed present in lsusb output:

    Bus 001 Device 007: ID 2357:0138 TP-Link 802.11ac NIC

Network Interfaces:

    Wireless Interface wlan0 present but DOWN, NO-CARRIER:

    5: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
        link/ether 06:53:66:21:33:d6 brd ff:ff:ff:ff:ff:ff permaddr 74:fe:ce:d4:3e:87

Symptoms:

    Wi-Fi adapter is physically detected (lsusb)

    Kernel modules (rtw88_*) loaded

    Wireless interface wlan0 exists but is DOWN and no carrier detected

    Network manager / settings GUI shows "No Wi-Fi Adapter Found"

Next steps tried:

    Driver reinstall via DKMS rtl88x2bu-git

    Blacklisting conflicting drivers removed to fallback on in-kernel rtw88

    Manual modprobe of drivers

    rfkill shows no block (please add if you ran rfkill list all)

    Rebooting system

Logs to help debugging:
(Please attach or paste relevant dmesg outputs containing errors or warnings related to rtl, rtw, or usb devices)

Additional info needed for debugging:

    Kernel version (uname -r)

    Output of rfkill list all

    Full output of sudo dmesg | grep -iE 'rtl|rtw|usb|firmware|error|fail'

    Output of nmcli device status