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lsusb | grep Realtek # Expected: 0bda:8192
USB 3.0 port interference (2.4 GHz noise) or outdated firmware.
Open Device Manager → Details → Hardware Ids Expected: USB\VID_0BDA&PID_8192 (Realtek). If you see VID_0BDA&PID_8187 , you have a different chipset (RTL8187L).