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HP 255 G7 上没有 Wifi 适配器

tag-icon • tag-icon networking wireless realtek-wireless
HP 255 G7 上没有 Wifi 适配器

我在笔记本电脑上安装了 Ubuntu 18.04。我该如何解决这个问题？谢谢

$ lspci -knn | grep Net -A3; rfkill list
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter [10ec:c821]
    Subsystem: Hewlett-Packard Company RTL8821CE 802.11ac PCIe Wireless Network Adapter [103c:831a]
04:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Raven Ridge [Radeon Vega Series / Radeon Vega Mobile Series] [1002:15dd] (rev c5)
    Subsystem: Hewlett-Packard Company Vega [Radeon Vega 8 Mobile] [103c:84ae]
    Kernel driver in use: amdgpu
0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

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