我有一台双启动 HP 笔记本电脑，装有 Ubuntu 16.04 和 Windows 10。虽然 Wi-Fi 在 Windows 10 中运行良好，但 Ubuntu 中没有无线选项。我已禁用安全启动，并尝试了本论坛提供的各种解决方案。但都不起作用。
的输出sudo iwlist scan为：
eno1 Interface doesn't support scanning.
lo Interface doesn't support scanning.
########## wireless info START ##########
Report from: 05 Mar 2018 10:54 IST +0530
Booted last: 05 Mar 2018 00:00 IST +0530
Script from: 10 Jan 2018 20:04 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 16.04.3 LTS
Release: 16.04
Codename: xenial
##### kernel ############################
Linux 4.10.0-42-generic #46~16.04.1-Ubuntu SMP Mon Dec 4 15:57:59 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash
##### desktop ###########################
Ubuntu
##### lspci #############################
02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 15)
DeviceName: Realtek PCIe GBE Family Controller
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:831c]
03:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. Device [10ec:d723]
DeviceName: Realtek RTL8723DE 802.11 bgn 1x1 WiFi + BT 4.2 Combo Adapter
Subsystem: Hewlett-Packard Company Device [103c:8319]
##### lsusb #############################
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 0bda:b009 Realtek Semiconductor Corp.
Bus 001 Device 007: ID 17ef:2011 Lenovo
Bus 001 Device 002: ID 1bcf:2c9b Sunplus Innovation Technology Inc.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
##### lsmod #############################
hp_wmi 16384 0
sparse_keymap 16384 1 hp_wmi
cfg80211 602112 0
wmi 16384 1 hp_wmi
##### interfaces ########################
[/etc/network/interfaces]
auto lo
iface lo inet loopback
##### ifconfig ##########################
eno1 Link encap:Ethernet HWaddr <MAC 'eno1' [IF1]>
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
enp0s20f0u4 Link encap:Ethernet HWaddr <MAC 'enp0s20f0u4' [IF2]>
inet addr:192.168.42.12 Bcast:192.168.42.255 Mask:255.255.255.0
inet6 addr: fe80::4ff9:4bc8:e7e5:4548/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:66692 errors:0 dropped:0 overruns:0 frame:0
TX packets:33330 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:91688899 (91.6 MB) TX bytes:3894314 (3.8 MB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:4607 errors:0 dropped:0 overruns:0 frame:0
TX packets:4607 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:373183 (373.1 KB) TX bytes:373183 (373.1 KB)
##### iwconfig ##########################
lo no wireless extensions.
enp0s20f0u4 no wireless extensions.
eno1 no wireless extensions.
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.42.129 0.0.0.0 UG 100 0 0 enp0s20f0u4
169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 enp0s20f0u4
192.168.42.0 0.0.0.0 255.255.255.0 U 100 0 0 enp0s20f0u4
##### resolv.conf #######################
nameserver 127.0.1.1
##### network managers ##################
Installed:
NetworkManager
Running:
root 3710 1 0 10:46 ? 00:00:00 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: enp0s20f0u4
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.VENDOR: Lenovo
GENERAL.PRODUCT: Lenovo
GENERAL.DRIVER: rndis_host
GENERAL.DRIVER-VERSION: 22-Aug-2005
GENERAL.FIRMWARE-VERSION: RNDIS device
GENERAL.HWADDR: <MAC 'enp0s20f0u4' [IF2]>
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:14.0/usb1/1-4/1-4:1.0/net/enp0s20f0u4
GENERAL.IP-IFACE: enp0s20f0u4
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: Wired connection 2
GENERAL.CON-UUID: e574897d-2ce6-35d9-be9f-442bbe1f93d3
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/0
GENERAL.METERED: yes (guessed)
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
WIRED-PROPERTIES.CARRIER: on
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{1}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: e574897d-2ce6-35d9-be9f-442bbe1f93d3 | Wired connection 2
IP4.ADDRESS[1]: 192.168.42.12/24
IP4.GATEWAY: 192.168.42.129
IP4.ROUTE[1]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]: 192.168.42.129
DHCP4.OPTION[1]: requested_subnet_mask = 1
DHCP4.OPTION[2]: requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[3]: subnet_mask = 255.255.255.0
DHCP4.OPTION[4]: domain_name_servers = 192.168.42.129
DHCP4.OPTION[5]: ip_address = 192.168.42.12
DHCP4.OPTION[6]: requested_static_routes = 1
DHCP4.OPTION[7]: dhcp_server_identifier = 192.168.42.129
DHCP4.OPTION[8]: requested_time_offset = 1
DHCP4.OPTION[9]: broadcast_address = 192.168.42.255
DHCP4.OPTION[10]: requested_interface_mtu = 1
DHCP4.OPTION[11]: dhcp_rebinding_time = 3150
DHCP4.OPTION[12]: requested_domain_name_servers = 1
DHCP4.OPTION[13]: dhcp_message_type = 5
DHCP4.OPTION[14]: requested_broadcast_address = 1
DHCP4.OPTION[15]: routers = 192.168.42.129
DHCP4.OPTION[16]: dhcp_renewal_time = 1800
DHCP4.OPTION[17]: requested_domain_name = 1
DHCP4.OPTION[18]: requested_routers = 1
DHCP4.OPTION[19]: expiry = 1520230605
DHCP4.OPTION[20]: requested_wpad = 1
DHCP4.OPTION[21]: host_name = ritu
DHCP4.OPTION[22]: requested_netbios_scope = 1
DHCP4.OPTION[23]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[24]: requested_netbios_name_servers = 1
DHCP4.OPTION[25]: network_number = 192.168.42.0
DHCP4.OPTION[26]: requested_domain_search = 1
DHCP4.OPTION[27]: vendor_encapsulated_options = ANDROID_METERED
DHCP4.OPTION[28]: next_server = 192.168.42.129
DHCP4.OPTION[29]: requested_host_name = 1
DHCP4.OPTION[30]: dhcp_lease_time = 3600
DHCP4.OPTION[31]: requested_ntp_servers = 1
IP6.ADDRESS[1]: fe80::4ff9:4bc8:e7e5:4548/64
IP6.GATEWAY:
GENERAL.DEVICE: eno1
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
GENERAL.DRIVER: r8169
GENERAL.DRIVER-VERSION: 2.3LK-NAPI
GENERAL.FIRMWARE-VERSION: rtl8168h-2_0.0.2 02/26/15
GENERAL.HWADDR: <MAC 'eno1' [IF1]>
GENERAL.MTU: 1500
GENERAL.STATE: 20 (unavailable)
GENERAL.REASON: 2 (Device is now managed)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.5/0000:02:00.0/net/eno1
GENERAL.IP-IFACE:
GENERAL.IS-SOFTWARE: no
GENERAL.NM-MANAGED: yes
GENERAL.AUTOCONNECT: yes
GENERAL.FIRMWARE-MISSING: no
GENERAL.NM-PLUGIN-MISSING: no
GENERAL.PHYS-PORT-ID: --
GENERAL.CONNECTION: --
GENERAL.CON-UUID: --
GENERAL.CON-PATH: --
GENERAL.METERED: unknown
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
WIRED-PROPERTIES.CARRIER: off
CONNECTIONS.AVAILABLE-CONNECTION-PATHS:
##### NetworkManager.state ##############
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
##### NetworkManager.conf ###############
[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq
[ifupdown]
managed=false
##### NetworkManager profiles ###########
##### Netplan config ####################
##### iw reg get ########################
Region: Asia/Kolkata (based on set time zone)
country 00: DFS-UNSET
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(2457 - 2482 @ 40), (N/A, 20), (N/A), NO-IR
(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, NO-IR
(5170 - 5250 @ 80), (N/A, 20), (N/A), NO-IR
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, NO-IR
(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, NO-IR
(5735 - 5835 @ 80), (N/A, 20), (N/A), NO-IR
(57240 - 63720 @ 2160), (N/A, 0), (N/A)
##### iwlist channels ###################
lo no frequency information.
enp0s20f0u4 no frequency information.
eno1 no frequency information.
##### iwlist scan #######################
lo Interface doesn't support scanning.
enp0s20f0u4 Interface doesn't support scanning.
eno1 Interface doesn't support scanning.
##### module infos ######################
[cfg80211]
filename: /lib/modules/4.10.0-42-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: D77C8F93375950F3BA95B16
depends:
intree: Y
vermagic: 4.10.0-42-generic SMP mod_unload
parm: bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int)
parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm: cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)
##### module parameters #################
[cfg80211]
bss_entries_limit: 1000
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00
##### /etc/modules ######################
##### modprobe options ##################
[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci
[/etc/modprobe.d/blacklist-bcm43.conf]
blacklist b43
blacklist b43legacy
blacklist ssb
blacklist bcm43xx
blacklist brcm80211
blacklist brcmfmac
blacklist brcmsmac
blacklist bcma
[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
blacklist prism54
blacklist bcm43xx
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac
[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off
[/etc/modprobe.d/intel-microcode-blacklist.conf]
blacklist microcode
[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211
[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en
##### rc.local ##########################
exit 0
##### pm-utils ##########################
##### udev rules ########################
##### dmesg #############################
[ 14.710803] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
[ 21.163883] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
[ 21.266542] r8169 0000:02:00.0 eno1: link down
[ 21.266623] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready (repeated 2 times)
[ 205.514475] r8169 0000:02:00.0 eno1: link down
[ 205.514565] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
[ 367.631276] rndis_host 1-4:1.0 enp0s20f0u4: renamed from usb0
[ 367.661852] IPv6: ADDRCONF(NETDEV_UP): enp0s20f0u4: link is not ready
[ 514.789026] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
[ 568.709887] rndis_host 1-4:1.0 enp0s20f0u4: unregister 'rndis_host' usb-0000:00:14.0-4, RNDIS device
[ 575.164522] IPv6: ADDRCONF(NETDEV_UP): eno1: link is not ready
[ 615.783102] rndis_host 1-4:1.0 enp0s20f0u4: renamed from usb0
[ 615.810284] IPv6: ADDRCONF(NETDEV_UP): enp0s20f0u4: link is not ready
########## wireless info END ############
任何帮助都感激不尽。
答案1
通过以太网、网络共享或任何可能的方式建立临时的互联网连接，打开终端并执行以下操作：
sudo apt update
sudo apt install build-essential dkms git
git clone -b 4.10-down https://github.com/jeremyb31/rtl8723de.git
sudo dkms add ./rtl8723de
sudo dkms build rtl8723de/5.1.1.8_21285.20171026_COEX20170111-1414
sudo dkms install rtl8723de/5.1.1.8_21285.20171026_COEX20170111-1414
sudo modprobe 8723de
你的无线网络现在应该可以正常工作了。