全新安装的 Ubuntu 20.04 版本中 Wi-Fi 无法使用

Question

我正在尝试在新笔记本电脑上安装 Ubuntu（Acer Aspire 7 R5 5500U，GTX 1650）

安装成功，但无法检测到 Wi-Fi :(

禁用安全启动，没有用

输出sudo lshw -C network：

  *-network                 
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: enp3s0
       version: 15
       serial: 08:8f:c3:17:5b:47
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.11.0-27-generic firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=twisted pair
       resources: irq:42 ioport:2000(size=256) memory:d1504000-d1504fff memory:d1500000-d1503fff
  *-network UNCLAIMED
       description: Network controller
       product: MEDIATEK Corp.
       vendor: MEDIATEK Corp.
       physical id: 0
       bus info: pci@0000:04:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm cap_list
       configuration: latency=0
       resources: iomemory:fc0-fbf iomemory:fc0-fbf iomemory:fc0-fbf memory:fcd2000000-fcd20fffff memory:fcd2100000-fcd2103fff memory:fcd2104000-fcd2104fff

输出lspci -knn | grep Net; rfkill list：

04:00.0 Network controller [0280]: MEDIATEK Corp. Device [14c3:7961]
0: acer-wireless: Wireless LAN
    Soft blocked: no
    Hard blocked: no
1: acer-bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: no
6: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

askubuntu 建议我运行一个用于无线一体化信息的脚本（脚本提供于：https://askubuntu.com/a/425205/44179）。

我已将 txt 上传至 Google Drive： https://drive.google.com/file/d/1tm1CrgdgdqDoZ57D9RtALv-pDCc8l-8r/view?usp=sharing

如能得到所有帮助，我们将不胜感激，先行致谢 :D