最近我决定开始研究 Linux，具体来说我决定选择 Ubuntu，这是我上周六首次安装的。
大约一天后，我的 wifi 意外断线，无法连接或找到附近的任何网络。同时出现一条通知，内容类似于“网络连接失败”。
出于某种原因，当我重新启动互联网大约一分钟后，WiFi 每次都会断线并显示相同的消息。如果有人能帮助我弄清楚如何解决这个问题，我将不胜感激。
我对大量使用终端也还不太熟悉，但这里有 lspci 信息，希望这对你有帮助。我的笔记本电脑是 HP Pavilion。
anashi@Lumos:~$ lspci
00:00.0 Host bridge: Intel Corporation Coffee Lake HOST and DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 620 (Whiskey Lake)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 0b)
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
00:12.0 Signal processing controller: Intel Corporation Cannon Point-LP Thermal Controller (rev 30)
00:13.0 Serial controller: Intel Corporation Cannon Point-LP Integrated Sensor Hub (rev 30)
00:14.0 USB controller: Intel Corporation Cannon Point-LP USB 3.1 xHCI Controller (rev 30)
00:14.2 RAM memory: Intel Corporation Cannon Point-LP Shared SRAM (rev 30)
00:14.5 SD Host controller: Intel Corporation BayHubTech Integrated SD controller (rev 30)
00:15.0 Serial bus controller [0c80]: Intel Corporation Cannon Point-LP Serial IO I2C Controller #0 (rev 30)
00:15.1 Serial bus controller [0c80]: Intel Corporation Cannon Point-LP Serial IO I2C Controller #1 (rev 30)
00:16.0 Communication controller: Intel Corporation Cannon Point-LP MEI Controller #1 (rev 30)
00:17.0 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 30)
00:1d.0 PCI bridge: Intel Corporation Cannon Point-LP PCI Express Root Port #9 (rev f0)
00:1d.1 PCI bridge: Intel Corporation Cannon Point-LP PCI Express Root Port #10 (rev f0)
00:1d.4 PCI bridge: Intel Corporation Cannon Point-LP PCI Express Root Port #13 (rev f0)
00:1e.0 Communication controller: Intel Corporation Device 9da8 (rev 30)
00:1e.3 Serial bus controller [0c80]: Intel Corporation Device 9dab (rev 30)
00:1f.0 ISA bridge: Intel Corporation Cannon Point-LP LPC Controller (rev 30)
00:1f.3 Audio device: Intel Corporation Cannon Point-LP High Definition Audio Controller (rev 30)
00:1f.4 SMBus: Intel Corporation Cannon Point-LP SMBus Controller (rev 30)
00:1f.5 Serial bus controller [0c80]: Intel Corporation Cannon Point-LP SPI Controller (rev 30)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8822BE 802.11a/b/g/n/ac WiFi adapter (rev ff)
03:00.0 Non-Volatile memory controller: Sandisk Corp WD Black 2018/PC SN520 NVMe SSD (rev 01)