我买了一台新笔记本电脑，想在上面安装 Kubuntu 19.10。当我从实时 USB 运行 Kubuntu 时，一切都很好。所以我用 EFI 在硬盘上安装了 Kubuntu。重启后，我注意到除了我的 WIFI 之外，一切都运行顺利。奇怪的是，它从实时 USB 工作，但现在弹出窗口中没有显示 WIFI，只有我的有线连接。我打开和关闭了飞行模式，但什么也没发生。我试图找出实时 USB 和实际安装之间的区别，但我什么也没找到。我很感激任何能帮助解决这个问题的东西。
结果如下lshw：
00:00.0 Host bridge: Intel Corporation Device 9b61 (rev 0c)
00:02.0 VGA compatible controller: Intel Corporation Device 9b41 (rev 02)
00:12.0 Signal processing controller: Intel Corporation Device 02f9
00:14.0 USB controller: Intel Corporation Device 02ed
00:14.2 RAM memory: Intel Corporation Device 02ef
00:14.3 **Network controller: Intel Corporation Device 02f0**
00:15.0 Serial bus controller [0c80]: Intel Corporation Device 02e8
00:15.1 Serial bus controller [0c80]: Intel Corporation Device 02e9
00:16.0 Communication controller: Intel Corporation Device 02e0
00:17.0 SATA controller: Intel Corporation Device 02d3
00:1d.0 PCI bridge: Intel Corporation Device 02b0 (rev f0)
00:1d.1 PCI bridge: Intel Corporation Device 02b1 (rev f0)
00:1d.4 PCI bridge: Intel Corporation Device 02b4 (rev f0)
00:1f.0 ISA bridge: Intel Corporation Device 0284
00:1f.3 Audio device: Intel Corporation Device 02c8
00:1f.4 SMBus: Intel Corporation Device 02a3
00:1f.5 Serial bus controller [0c80]: Intel Corporation Device 02a4
01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTL8411B PCI Express Card Reader (rev 01)
01:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12)
0b:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983
其结果是lspci：
00:00.0 Host bridge: Intel Corporation Device 9b61 (rev 0c)
00:02.0 VGA compatible controller: Intel Corporation Device 9b41 (rev 02)
00:12.0 Signal processing controller: Intel Corporation Device 02f9
00:14.0 USB controller: Intel Corporation Device 02ed
00:14.2 RAM memory: Intel Corporation Device 02ef
00:14.3 Network controller: Intel Corporation Device 02f0
00:15.0 Serial bus controller [0c80]: Intel Corporation Device 02e8
00:15.1 Serial bus controller [0c80]: Intel Corporation Device 02e9
00:16.0 Communication controller: Intel Corporation Device 02e0
00:17.0 SATA controller: Intel Corporation Device 02d3
00:1d.0 PCI bridge: Intel Corporation Device 02b0 (rev f0)
00:1d.1 PCI bridge: Intel Corporation Device 02b1 (rev f0)
00:1d.4 PCI bridge: Intel Corporation Device 02b4 (rev f0)
00:1f.0 ISA bridge: Intel Corporation Device 0284
00:1f.3 Audio device: Intel Corporation Device 02c8
00:1f.4 SMBus: Intel Corporation Device 02a3
00:1f.5 Serial bus controller [0c80]: Intel Corporation Device 02a4
01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTL8411B PCI Express Card Reader (rev 01)
01:00.1 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 12)
0b:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983