我从 19.10 升级到 Ubuntu 20.04，但我的 wifi 适配器无法连接到任何 Wifi 网络。它扫描了所有可用网络，但无法连接到任何网络。我尝试了互联网上找到的所有可能的解决方案，但无济于事。请帮忙！
以下是我的无线网卡的详细信息：DMI
*-network
description: Ethernet interface
product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:02:00.0
logical name: enp2s0
version: 15
serial: 04:d4:c4:e2:da:b4
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 firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII
resources: irq:49 ioport:e000(size=256) memory:f7804000-f7804fff memory:f7800000-f7803fff
*-network
description: Wireless interface
product: RTL8822CE 802.11ac PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:04:00.0
logical name: wlp4s0
version: 00
serial: 80:91:33:c9:2b:d5
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rtw_8822ce driverversion=5.4.0-29-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:62 ioport:d000(size=256) memory:f7600000-f760ffff
*-network
description: Ethernet interface
physical id: 1
bus info: usb@1:3
logical name: enxfcde56ff0106
serial: fc:de:56:ff:01:06
capabilities: ethernet physical
configuration: broadcast=yes driver=rndis_host driverversion=22-Aug-2005 firmware=RNDIS device ip=192.168.1.101 link=yes multicast=yes