在编程时，没有什么大不了的事，wifi 停止工作。我尝试卸载并加载我的 wifi 使用的 b43 驱动程序，但没有成功，累了，我决定重新安装 debian 9.4。我这样做了，我确实重新安装了 b43 并启用了它，但我刚刚意识到问题是没有识别网络适配器。lspci 的结果如下：
00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation 8 Series HECI 0 (rev 04)
00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4)
00:1c.4 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 5 (rev e4)
00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
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)
02:00.0 3D controller: NVIDIA Corporation GM108M [GeForce 840M] (rev a2)
笔记本电脑突然停止工作，所以我不认为这是由于硬件问题。如何让 Debian 检测到我的 Wi-Fi 卡？
答案1
笔记本电脑有物理射频终止开关吗？通常，这样的开关会通过几乎“拔掉”WiFi 和蓝牙发射器来禁用它们。