我对 Linux 完全陌生。政府授予我海尔Y11B无法检测到其 wlan（更不用说故障了）。我们是 5 名决心告别 Windows 的学生，安装了 Ubuntu，但遇到了同样的问题。
我做了一些研究，我安装了 ndisgtk 并尝试安装专有驱动程序，但无济于事！
以下是一些命令输出：
$ sudo lsmod
Module Size Used by
cdc_ether 16384 0
usbnet 45056 1 cdc_ether
mii 16384 1 usbnet
nls_utf8 16384 0
isofs 40960 0
drbg 32768 1
ansi_cprng 16384 0
dm_crypt 28672 1
intel_rapl 20480 0
x86_pkg_temp_thermal 16384 0
intel_powerclamp 16384 0
coretemp 16384 0
kvm_intel 172032 0
kvm 544768 1 kvm_intel
irqbypass 16384 1 kvm
crct10dif_pclmul 16384 0
crc32_pclmul 16384 0
ghash_clmulni_intel 16384 0
aesni_intel 167936 5741
rtsx_usb_ms 20480 0
memstick 20480 1 rtsx_usb_ms
aes_x86_64 20480 1 aesni_intel
lrw 16384 1 aesni_intel
gf128mul 16384 1 lrw
glue_helper 16384 1 aesni_intel
ablk_helper 16384 1 aesni_intel
cryptd 20480 2873 ghash_clmulni_intel,aesni_intel,ablk_helper
serio_raw 16384 0
snd_hda_codec_hdmi 53248 1
snd_hda_codec_realtek 86016 1
snd_hda_codec_generic 77824 1 snd_hda_codec_realtek
snd_soc_rt5640 114688 0
snd_soc_ssm4567 16384 0
snd_soc_rl6231 16384 1 snd_soc_rt5640
elan_i2c 36864 0
snd_soc_core 212992 2 snd_soc_rt5640,snd_soc_ssm4567
kxcjk_1013 20480 0
snd_compress 20480 1 snd_soc_core
industrialio_triggered_buffer 16384 1 kxcjk_1013
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
intel_pch_thermal 16384 0
snd_hda_intel 40960 5
snd_hda_codec 135168 4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_hda_core 73728 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep 16384 1 snd_hda_codec
uvcvideo 90112 0
snd_pcm 106496 7 snd_soc_rt5640,snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_pcm_dmaengine,snd_hda_core
videobuf2_vmalloc 16384 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 28672 1 uvcvideo
videobuf2_core 36864 2 uvcvideo,videobuf2_v4l2
v4l2_common 16384 1 videobuf2_v4l2
snd_seq_midi 16384 0
snd_seq_midi_event 16384 1 snd_seq_midi
videodev 176128 4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
ndiswrapper 286720 0
snd_rawmidi 32768 1 snd_seq_midi
media 24576 2 uvcvideo,videodev
snd_seq 69632 2 snd_seq_midi_event,snd_seq_midi
snd_seq_device 16384 3 snd_seq,snd_rawmidi,snd_seq_midi
input_leds 16384 0
snd_timer 32768 2 snd_pcm,snd_seq
mei_me 36864 0
lpc_ich 24576 0
snd 81920 23 snd_hda_codec_realtek,snd_soc_core,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_compress
mei 98304 1 mei_me
soundcore 16384 1 snd
processor_thermal_device 16384 0
intel_soc_dts_iosf 16384 1 processor_thermal_device
int3403_thermal 16384 0
snd_soc_sst_acpi 16384 0
mac_hid 16384 0
dw_dmac 16384 0
dw_dmac_core 24576 1 dw_dmac
int3400_thermal 16384 0
8250_dw 16384 0
acpi_thermal_rel 16384 1 int3400_thermal
int3402_thermal 16384 0
spi_pxa2xx_platform 24576 0
i2c_designware_platform 16384 0
int340x_thermal_zone 16384 3 int3402_thermal,processor_thermal_device,int3403_thermal
i2c_designware_core 20480 1 i2c_designware_platform
acpi_als 16384 0
acpi_pad 24576 0
kfifo_buf 16384 2 industrialio_triggered_buffer,acpi_als
industrialio 61440 4 industrialio_triggered_buffer,acpi_als,kxcjk_1013,kfifo_buf
parport_pc 32768 0
ppdev 20480 0
lp 20480 0
parport 49152 3 lp,ppdev,parport_pc
autofs4 40960 2
uas 24576 0
usb_storage 69632 2 uas
rtsx_usb_sdmmc 28672 0
rtsx_usb 24576 2 rtsx_usb_sdmmc,rtsx_usb_ms
hid_generic 16384 0
usbhid 49152 0
i915 1208320 4
i2c_algo_bit 16384 1 i915
drm_kms_helper 155648 1 i915
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
fb_sys_fops 16384 1 drm_kms_helper
drm 364544 5 i915,drm_kms_helper
ahci 36864 3
libahci 32768 1 ahci
sdhci_acpi 16384 0
video 40960 1 i915
sdhci 45056 1 sdhci_acpi
i2c_hid 20480 0
hid 118784 3 i2c_hid,hid_generic,usbhid
fjes 28672 0
$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 008: ID 0bda:5830 Realtek Semiconductor Corp.
Bus 001 Device 007: ID 0bda:b720 Realtek Semiconductor Corp.
Bus 001 Device 005: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 003: ID 0bda:5830 Realtek Semiconductor Corp.
Bus 001 Device 009: ID 05e3:0718 Genesys Logic, Inc. IDE/SATA Adapter
Bus 001 Device 006: ID 04d9:e200 Holtek Semiconductor, Inc.
Bus 001 Device 013: ID 12d1:14db Huawei Technologies Co., Ltd. E353/E3131
Bus 001 Device 004: ID 04b3:310c IBM Corp. Wheel Mouse
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ sudo lshw -C network
*-network
description: Ethernet interface
physical id: 2
logical name: enx0c5b8f279a64
serial: 0c:5b:8f:27:9a:64
capabilities: ethernet physical
configuration: broadcast=yes driver=cdc_ether driverversion=22-Aug-2005 firmware=CDC Ethernet Device ip=192.168.8.100 link=yes multicast=yes
答案1
我们很幸运，因为您有以太网连接。连接以太网后，请打开终端 Ctrl+Alt+t 并运行以下命令：
sudo apt-get purge ndisgtk ndiswrapper*
sudo apt-get update
sudo apt-get install git
您的无线设备是这样的：ID 0bda:b720 瑞昱半导体公司
通过 Google 搜索找到了以下内容：https://github.com/lwfinger/rtl8723bu我下载并构建了驱动程序，发现它涵盖了您的设备：
alias: usb:v0BDApB720d*dc*dsc*dp*icFFiscFFipFFin*
让我们根据说明进行构建：
git clone https://github.com/lwfinger/rtl8723bu.git
cd rtl8723bu
gedit Makefile
如果你没有文本编辑器 gedit，请使用 nano 或 Kate 或 Leafpad。找到包含以下内容的行：
EXTRA_CFLAGS += -DCONFIG_CONCURRENT_MODE
并#在该行开头插入一个符号。这会注释该行并禁用并发模式。仔细校对，保存并关闭文本编辑器。接下来，继续：
make
sudo make install
sudo modprobe -v 8723bu
您仅为当前正在运行的内核编译了驱动程序。当 Update Manager 在请求的重新启动后安装较新的版本（也称为 linux-image）时，请重新编译：
cd rtl8723bu
make clean
make
sudo make install
sudo modprobe 8723bu
请保留该文件和这些说明。