我已经在 Lenovo 500S-14ISK 上安装了 Debian 8，但无论我做什么，我都无法使 WiFi 工作。我搜索了很多教程，例如：
我无法连接到 Wi-Fi，iwconfig 上没有 wlan0 设备 https://ubuntuforums.org/showthread.php?t=2311656
https://forums.linuxmint.com/viewtopic.php?t=216892
这是有关我的系统的信息
**lsb_release -da**
No LSB modules are available.
Distributor ID: Debian
Description: Debian GNU/Linux 8.5 (jessie)
Release: 8.5
Codename: jessie
Kernel 3.16.0-4-amd64
**lspci -nn**
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:1904] (rev 08)
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:1916] (rev 07)
00:14.0 USB controller [0c03]: Intel Corporation Device [8086:9d2f] (rev 21)
00:14.2 Signal processing controller [1180]: Intel Corporation Device [8086:9d31] (rev 21)
00:15.0 Signal processing controller [1180]: Intel Corporation Device [8086:9d60] (rev 21)
00:16.0 Communication controller [0780]: Intel Corporation Device [8086:9d3a] (rev 21)
00:17.0 SATA controller [0106]: Intel Corporation Device [8086:9d03] (rev 21)
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:9d10] (rev f1)
00:1c.4 PCI bridge [0604]: Intel Corporation Device [8086:9d14] (rev f1)
00:1c.5 PCI bridge [0604]: Intel Corporation Device [8086:9d15] (rev f1)
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:9d48] (rev 21)
00:1f.2 Memory controller [0580]: Intel Corporation Device [8086:9d21] (rev 21)
00:1f.3 Audio device [0403]: Intel Corporation Device [8086:9d70] (rev 21)
00:1f.4 SMBus [0c05]: Intel Corporation Device [8086:9d23] (rev 21)
02:00.0 Network controller [0280]: Intel Corporation Device [8086:3166] (rev 79)
03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
**sudo iwconfig**
eth0 no wireless extensions.
lo no wireless extensions.
**lspci -v**
02:00.0 Network controller: Intel Corporation Device 3166 (rev 79)
Subsystem: Intel Corporation Device 4210
Flags: fast devsel, IRQ 16
Memory at d1100000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [40] Express Endpoint, MSI 00
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number 4c-34-88-ff-ff-f2-7d-3a
Capabilities: [14c] Latency Tolerance Reporting
Capabilities: [154] L1 PM Substates
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15)
Subsystem: Lenovo Device 3835
Flags: bus master, fast devsel, latency 0, IRQ 140
I/O ports at 3000 [size=256]
Memory at d1004000 (64-bit, non-prefetchable) [size=4K]
Memory at d1000000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 01
Capabilities: [b0] MSI-X: Enable- Count=4 Masked-
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Virtual Channel
Capabilities: [160] Device Serial Number 01-00-00-00-68-4c-e0-00
Capabilities: [170] Latency Tolerance Reporting
Capabilities: [178] L1 PM Substates
Kernel driver in use: r8169
dmesg | grep iwl
[ 11.703895] iwlwifi 0000:02:00.0: enabling device (0000 -> 0002)
[ 11.704408] iwlwifi 0000:02:00.0: irq 143 for MSI/MSI-X
[ 11.704934] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-7265D-21.ucode (-2)
[ 11.704966] iwlwifi 0000:02:00.0: Direct firmware load failed with error -2
[ 11.704967] iwlwifi 0000:02:00.0: Falling back to user helper
[ 11.705216] iwlwifi 0000:02:00.0: Unsupported splx structure
[ 11.705335] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-7265D-20.ucode (-2)
[ 11.705360] iwlwifi 0000:02:00.0: Direct firmware load failed with error -2
[ 11.705361] iwlwifi 0000:02:00.0: Falling back to user helper
[ 11.705676] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-7265D-19.ucode (-2)
[ 11.705702] iwlwifi 0000:02:00.0: Direct firmware load failed with error -2
[ 11.705703] iwlwifi 0000:02:00.0: Falling back to user helper
[ 11.705935] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-7265D-18.ucode (-2)
[ 11.705960] iwlwifi 0000:02:00.0: Direct firmware load failed with error -2
[ 11.705961] iwlwifi 0000:02:00.0: Falling back to user helper
[ 11.706201] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-7265D-17.ucode (-2)
[ 11.706226] iwlwifi 0000:02:00.0: Direct firmware load failed with error -2
[ 11.706227] iwlwifi 0000:02:00.0: Falling back to user helper
[ 11.706461] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-7265D-16.ucode (-2)
[ 11.706486] iwlwifi 0000:02:00.0: Direct firmware load failed with error -2
[ 11.706487] iwlwifi 0000:02:00.0: Falling back to user helper
[ 11.706718] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-7265D-15.ucode (-2)
[ 11.706743] iwlwifi 0000:02:00.0: Direct firmware load failed with error -2
[ 11.706744] iwlwifi 0000:02:00.0: Falling back to user helper
[ 11.706973] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-7265D-14.ucode (-2)
[ 11.707000] iwlwifi 0000:02:00.0: Direct firmware load failed with error -2
[ 11.707001] iwlwifi 0000:02:00.0: Falling back to user helper
[ 11.707274] iwlwifi 0000:02:00.0: firmware: failed to load iwlwifi-7265D-13.ucode (-2)
[ 11.707300] iwlwifi 0000:02:00.0: Direct firmware load failed with error -2
[ 11.707301] iwlwifi 0000:02:00.0: Falling back to user helper
[ 11.707518] iwlwifi 0000:02:00.0: request for firmware file 'iwlwifi-7265D-13.ucode' failed.
[ 11.707546] iwlwifi 0000:02:00.0: no suitable firmware found!
答案1
这英特尔双频无线-AC 31653.16根据您的内核版本不支持无线维基内核：
Intel® Wireless 3165（从固件 XX.XX.13.0 和内核 4.1 开始）
您需要升级当前的核心版本至少为4.1.
下载iwlwifi-7265-ucode-25.30.13.0.tgz文件
wget https://wireless.wiki.kernel.org/_media/en/users/drivers/iwlwifi-7265-ucode-25.30.13.0.tgz
将固件复制到/lib/firmware.
tar xvf iwlwifi-7265-ucode-25.30.13.0.tgz
cd iwlwifi-7265-ucode-25.30.13.0
cp iwlwifi-*.ucode /lib/firmware
重启