我现在花了好几天的时间尝试修复我最近在笔记本电脑上遇到的无线问题，但不幸的是，我无法弄清楚它是如何发生的，也不知道如何修复它。
所以我希望你们能够帮助我。
我已经进行了全新安装，没有任何改进。有时，重启后，我可以看到无线网络，但尝试连接时却失败了。
我也尝试使用专有驱动程序，同样没有任何变化。目前，已安装标准 Ubuntu 驱动器。
正如我在其他几篇文章中读到的那样，无线脚本的输出可能对你有用，以下是它给我的信息：
########## wireless info START ##########
Report from: 27 Nov 2016 18:56 CET +0100
Booted last: 27 Nov 2016 00:00 CET +0100
Script from: 08 Jul 2016 02:16 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 16.04.1 LTS
Release: 16.04
Codename: xenial
##### kernel ############################
Linux 4.4.0-47-generic #68-Ubuntu SMP Wed Oct 26 19:39:52 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
MATE
##### lspci #############################
00:19.0 Ethernet controller [0200]: Intel Corporation 82579LM Gigabit Network Connection [8086:1502] (rev 04)
Subsystem: Lenovo 82579LM Gigabit Network Connection [17aa:21f3]
Kernel driver in use: e1000e
##### lsusb #############################
Bus 002 Device 003: ID 056a:00e6 Wacom Co., Ltd
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 04f2:b44d Chicony Electronics Co., Ltd
Bus 001 Device 004: ID 147e:2020 Upek TouchChip Fingerprint Coprocessor (WBF advanced mode)
Bus 001 Device 003: ID 17ef:6044 Lenovo
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 002: ID 0bdb:1911 Ericsson Business Mobile Networks BV
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: tpacpi_bluetooth_sw: Bluetooth
Soft blocked: yes
Hard blocked: no
1: tpacpi_wwan_sw: Wireless WAN
Soft blocked: no
Hard blocked: no
##### lsmod #############################
wmi 20480 0
##### interfaces ########################
auto lo
iface lo inet loopback
##### ifconfig ##########################
enp0s25 Link encap:Ethernet HWaddr
inet addr:192.168.1.233 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::5497:bf53:d98a:1a31/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:107 errors:0 dropped:0 overruns:0 frame:0
TX packets:147 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:10445 (10.4 KB) TX bytes:17070 (17.0 KB)
Interrupt:20 Memory:f2400000-f2420000
wwp0s20u4i6 Link encap:Ethernet HWaddr
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)
##### iwconfig ##########################
lo no wireless extensions.
enp0s25 no wireless extensions.
wwp0s20u4i6 no wireless extensions.
##### route #############################
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.1.1 0.0.0.0 UG 100 0 0 enp0s25
192.168.1.0 0.0.0.0 255.255.255.0 U 100 0 0 enp0s25
##### resolv.conf #######################
nameserver 127.0.1.1
search localdomain
##### network managers ##################
Installed:
NetworkManager
Running:
root 703 1 0 18:56 ? 00:00:00 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: enp0s25
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.VENDOR: Intel Corporation
GENERAL.PRODUCT: 82579LM Gigabit Network Connection
GENERAL.DRIVER: e1000e
GENERAL.DRIVER-VERSION: 3.2.6-k
GENERAL.FIRMWARE-VERSION: 0.13-3
GENERAL.HWADDR:
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:19.0/net/enp0s25
GENERAL.IP-IFACE: enp0s25
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 1
GENERAL.CON-UUID: d7384583-b7e5-3227-9265-1e4899d237ec
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/0
GENERAL.METERED: no (guessed)
CAPABILITIES.CARRIER-DETECT: yes
CAPABILITIES.SPEED: 1000 Mb/s
CAPABILITIES.IS-SOFTWARE: no
WIRED-PROPERTIES.CARRIER: on
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{1}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: d7384583-b7e5-3227-9265-1e4899d237ec | Wired connection 1
IP4.ADDRESS[1]: 192.168.1.233/24
IP4.GATEWAY: 192.168.1.1
IP4.DNS[1]: 192.168.1.1
IP4.DOMAIN[1]: localdomain
DHCP4.OPTION[1]: requested_routers = 1
DHCP4.OPTION[2]: requested_domain_search = 1
DHCP4.OPTION[3]: requested_time_offset = 1
DHCP4.OPTION[4]: requested_domain_name = 1
DHCP4.OPTION[5]: requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[6]: requested_broadcast_address = 1
DHCP4.OPTION[7]: host_name = stefan-X230T
DHCP4.OPTION[8]: requested_wpad = 1
DHCP4.OPTION[9]: requested_netbios_scope = 1
DHCP4.OPTION[10]: next_server = 0.0.0.0
DHCP4.OPTION[11]: expiry = 1480874175
DHCP4.OPTION[12]: requested_interface_mtu = 1
DHCP4.OPTION[13]: requested_subnet_mask = 1
DHCP4.OPTION[14]: routers = 192.168.1.1
DHCP4.OPTION[15]: dhcp_message_type = 5
DHCP4.OPTION[16]: ip_address = 192.168.1.233
DHCP4.OPTION[17]: requested_static_routes = 1
DHCP4.OPTION[18]: domain_name = localdomain
DHCP4.OPTION[19]: requested_domain_name_servers = 1
DHCP4.OPTION[20]: broadcast_address = 192.168.1.255
DHCP4.OPTION[21]: requested_ntp_servers = 1
DHCP4.OPTION[22]: requested_netbios_name_servers = 1
DHCP4.OPTION[23]: dhcp_lease_time = 604800
DHCP4.OPTION[24]: domain_name_servers = 192.168.1.1
DHCP4.OPTION[25]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[26]: subnet_mask = 255.255.255.0
DHCP4.OPTION[27]: network_number = 192.168.1.0
DHCP4.OPTION[28]: requested_host_name = 1
DHCP4.OPTION[29]: dhcp_server_identifier = 192.168.1.1
IP6.ADDRESS[1]: fe80::5497:bf53:d98a:1a31/64
IP6.GATEWAY:
IP6.DNS[1]: fe80::1
DHCP6.OPTION[1]: dhcp6_client_id = 0:4:d7:48:72:6:25:26:4c:f4:3:e5:c7:38:86:ce:8c:54
DHCP6.OPTION[2]: dhcp6_name_servers = fe80::1
DHCP6.OPTION[3]: requested_dhcp6_name_servers = 1
DHCP6.OPTION[4]: requested_dhcp6_domain_search = 1
DHCP6.OPTION[5]: requested_dhcp6_client_id = 1
DHCP6.OPTION[6]: dhcp6_domain_search = localdomain.
DHCP6.OPTION[7]: dhcp6_preference = 255
DHCP6.OPTION[8]: dhcp6_server_id = 0:3:0:1:
GENERAL.DEVICE: ttyACM0
GENERAL.TYPE: gsm
GENERAL.NM-TYPE: NMDeviceModem
GENERAL.VENDOR: Lenovo
GENERAL.PRODUCT: F5521gw
GENERAL.DRIVER: cdc_acm, cdc_wdm, cdc_ncm
GENERAL.DRIVER-VERSION:
GENERAL.FIRMWARE-VERSION:
GENERAL.HWADDR: (unknown)
GENERAL.MTU: 0
GENERAL.STATE: 20 (unavailable)
GENERAL.REASON: 2 (Device is now managed)
GENERAL.UDI: /org/freedesktop/ModemManager1/Modem/0
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: no
CAPABILITIES.SPEED: unknown
CAPABILITIES.IS-SOFTWARE: no
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 ###########
[[/etc/NetworkManager/system-connections/WY-WLAN]] (600 root)
[connection] id=WY-WLAN | type=wifi | permissions=
[wifi] mac-address= | mac-address-blacklist= | ssid=WY-WLAN
[ipv4] method=auto
[ipv6] method=auto
##### iw reg get ########################
Region: Europe/Berlin (based on set time zone)
country 00: DFS-UNSET
(2402 - 2472 @ 40), (6, 20), (N/A)
(2457 - 2482 @ 40), (6, 20), (N/A), PASSIVE-SCAN
(2474 - 2494 @ 20), (6, 20), (N/A), NO-OFDM, PASSIVE-SCAN
(5170 - 5250 @ 160), (6, 20), (N/A), PASSIVE-SCAN
(5250 - 5330 @ 160), (6, 20), (0 ms), DFS, PASSIVE-SCAN
(5490 - 5730 @ 160), (6, 20), (0 ms), DFS, PASSIVE-SCAN
(5735 - 5835 @ 80), (6, 20), (N/A), PASSIVE-SCAN
(57240 - 63720 @ 2160), (N/A, 0), (N/A)
##### iwlist channels ###################
lo no frequency information.
enp0s25 no frequency information.
wwp0s20u4i6 no frequency information.
##### iwlist scan #######################
lo Interface doesn't support scanning.
enp0s25 Interface doesn't support scanning.
wwp0s20u4i6 Interface doesn't support scanning.
##### module infos ######################
##### module parameters #################
##### /etc/modules ######################
##### modprobe options ##################
[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci
[/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 ##########################
[/etc/pm/power.d/disable_wol] (777 root)
CONFFILE=/etc/default/tlp
LIBDIRS='/usr/lib /usr/lib64'
for d in ${LIBDIRS}; do
if [ -d "${d}/pm-utils/power.d" ]; then
blocked="${d}/pm-utils/power.d/${0##*/}"
break
fi
done
if [ -n "$blocked" ] && [ -x "$blocked" ]; then
# else nothing to disable -> don't read $CONFFILE
if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
# TLP is enabled -> disable $blocked
echo "Notice: '${blocked}' disabled by TLP."
else
exec "$blocked" $*
fi
fi
exit 0
[/etc/pm/power.d/laptop-mode] (777 root)
CONFFILE=/etc/default/tlp
LIBDIRS='/usr/lib /usr/lib64'
for d in ${LIBDIRS}; do
if [ -d "${d}/pm-utils/power.d" ]; then
blocked="${d}/pm-utils/power.d/${0##*/}"
break
fi
done
if [ -n "$blocked" ] && [ -x "$blocked" ]; then
# else nothing to disable -> don't read $CONFFILE
if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
# TLP is enabled -> disable $blocked
echo "Notice: '${blocked}' disabled by TLP."
else
exec "$blocked" $*
fi
fi
exit 0
[/etc/pm/power.d/pci_devices] (777 root)
CONFFILE=/etc/default/tlp
LIBDIRS='/usr/lib /usr/lib64'
for d in ${LIBDIRS}; do
if [ -d "${d}/pm-utils/power.d" ]; then
blocked="${d}/pm-utils/power.d/${0##*/}"
break
fi
done
if [ -n "$blocked" ] && [ -x "$blocked" ]; then
# else nothing to disable -> don't read $CONFFILE
if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
# TLP is enabled -> disable $blocked
echo "Notice: '${blocked}' disabled by TLP."
else
exec "$blocked" $*
fi
fi
exit 0
[/etc/pm/power.d/pcie_aspm] (777 root)
CONFFILE=/etc/default/tlp
LIBDIRS='/usr/lib /usr/lib64'
for d in ${LIBDIRS}; do
if [ -d "${d}/pm-utils/power.d" ]; then
blocked="${d}/pm-utils/power.d/${0##*/}"
break
fi
done
if [ -n "$blocked" ] && [ -x "$blocked" ]; then
# else nothing to disable -> don't read $CONFFILE
if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
# TLP is enabled -> disable $blocked
echo "Notice: '${blocked}' disabled by TLP."
else
exec "$blocked" $*
fi
fi
exit 0
[/etc/pm/power.d/sched-powersave] (777 root)
CONFFILE=/etc/default/tlp
LIBDIRS='/usr/lib /usr/lib64'
for d in ${LIBDIRS}; do
if [ -d "${d}/pm-utils/power.d" ]; then
blocked="${d}/pm-utils/power.d/${0##*/}"
break
fi
done
if [ -n "$blocked" ] && [ -x "$blocked" ]; then
# else nothing to disable -> don't read $CONFFILE
if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
# TLP is enabled -> disable $blocked
echo "Notice: '${blocked}' disabled by TLP."
else
exec "$blocked" $*
fi
fi
exit 0
[/etc/pm/power.d/usb_bluetooth] (777 root)
CONFFILE=/etc/default/tlp
LIBDIRS='/usr/lib /usr/lib64'
for d in ${LIBDIRS}; do
if [ -d "${d}/pm-utils/power.d" ]; then
blocked="${d}/pm-utils/power.d/${0##*/}"
break
fi
done
if [ -n "$blocked" ] && [ -x "$blocked" ]; then
# else nothing to disable -> don't read $CONFFILE
if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
# TLP is enabled -> disable $blocked
echo "Notice: '${blocked}' disabled by TLP."
else
exec "$blocked" $*
fi
fi
exit 0
[/etc/pm/power.d/wireless] (777 root)
CONFFILE=/etc/default/tlp
LIBDIRS='/usr/lib /usr/lib64'
for d in ${LIBDIRS}; do
if [ -d "${d}/pm-utils/power.d" ]; then
blocked="${d}/pm-utils/power.d/${0##*/}"
break
fi
done
if [ -n "$blocked" ] && [ -x "$blocked" ]; then
# else nothing to disable -> don't read $CONFFILE
if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
# TLP is enabled -> disable $blocked
echo "Notice: '${blocked}' disabled by TLP."
else
exec "$blocked" $*
fi
fi
exit 0
[/etc/pm/power.d/xfs_buffer] (777 root)
CONFFILE=/etc/default/tlp
LIBDIRS='/usr/lib /usr/lib64'
for d in ${LIBDIRS}; do
if [ -d "${d}/pm-utils/power.d" ]; then
blocked="${d}/pm-utils/power.d/${0##*/}"
break
fi
done
if [ -n "$blocked" ] && [ -x "$blocked" ]; then
# else nothing to disable -> don't read $CONFFILE
if [ -e "$CONFFILE" ] && . "$CONFFILE" && [ "$TLP_ENABLE" = '1' ]; then
# TLP is enabled -> disable $blocked
echo "Notice: '${blocked}' disabled by TLP."
else
exec "$blocked" $*
fi
fi
exit 0
##### udev rules ########################
##### dmesg #############################
[ 3.383240] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready (repeated 2 times)
[ 4.026013] cdc_ncm 3-4:1.6 wwan0: register 'cdc_ncm' at usb-0000:00:14.0-4, Mobile Broadband Network Device,
[ 4.028386] cdc_ncm 3-4:1.6 wwp0s20u4i6: renamed from wwan0
[ 6.214147] e1000e: enp0s25 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[ 6.214314] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s25: link becomes ready
[ 6.997739] psmouse serio2: trackpoint: IBM TrackPoint firmware: 0x0e, buttons: 3/3
########## wireless info END ############
我感谢任何帮助、提示、评论……
谢谢，斯蒂芬
编辑
为了便于阅读，我更新了我的帖子，这样由于评论而取得的进展也包含在我的问题中。除了上述信息外，还要求输出lspci -nnk，如下所示
~$ lspci -nnk
00:00.0 Host bridge [0600]: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154] (rev 09)
Subsystem: Lenovo 3rd Gen Core processor DRAM Controller [17aa:2203]
Kernel driver in use: ivb_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
Subsystem: Lenovo 3rd Gen Core processor Graphics Controller [17aa:2203]
Kernel driver in use: i915
Kernel modules: i915
00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family USB xHCI Host Controller [17aa:2203]
Kernel driver in use: xhci_hcd
00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family MEI Controller [17aa:2203]
Kernel driver in use: mei_me
Kernel modules: mei_me
00:16.3 Serial controller [0700]: Intel Corporation 7 Series/C210 Series Chipset Family KT Controller [8086:1e3d] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family KT Controller [17aa:2203]
Kernel driver in use: serial
00:19.0 Ethernet controller [0200]: Intel Corporation 82579LM Gigabit Network Connection [8086:1502] (rev 04)
Subsystem: Lenovo 82579LM Gigabit Network Connection [17aa:21f3]
Kernel driver in use: e1000e
Kernel modules: e1000e
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family USB Enhanced Host Controller [17aa:2203]
Kernel driver in use: ehci-pci
00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family High Definition Audio Controller [17aa:2203]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.1 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 [8086:1e12] (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.2 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 [8086:1e14] (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family USB Enhanced Host Controller [17aa:2203]
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation QM77 Express Chipset LPC Controller [8086:1e55] (rev 04)
Subsystem: Lenovo QM77 Express Chipset LPC Controller [17aa:2203]
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
Subsystem: Lenovo 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [17aa:2203]
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family SMBus Controller [17aa:2203]
Kernel modules: i2c_i801
02:00.0 System peripheral [0880]: Ricoh Co Ltd PCIe SDXC/MMC Host Controller [1180:e823] (rev 07)
Subsystem: Lenovo PCIe SDXC/MMC Host Controller [17aa:2203]
Kernel driver in use: sdhci-pci
Kernel modules: sdhci_pci
注意：在评论中，我还提供了将笔记本电脑连接到我的扩展坞时上述命令的输出链接。但由于这与此问题没有直接关系，因此不应在此考虑。
答案1
好消息是，我的无线连接又可以正常工作了。从下面的输出中可以看到，我的系统再次识别了网络控制器。
$ lspci -nnk
00:00.0 Host bridge [0600]: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154] (rev 09)
Subsystem: Lenovo 3rd Gen Core processor DRAM Controller [17aa:2203]
Kernel driver in use: ivb_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09)
Subsystem: Lenovo 3rd Gen Core processor Graphics Controller [17aa:2203]
Kernel driver in use: i915
Kernel modules: i915
00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family USB xHCI Host Controller [17aa:2203]
Kernel driver in use: xhci_hcd
00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family MEI Controller [17aa:2203]
Kernel driver in use: mei_me
Kernel modules: mei_me
00:16.3 Serial controller [0700]: Intel Corporation 7 Series/C210 Series Chipset Family KT Controller [8086:1e3d] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family KT Controller [17aa:2203]
Kernel driver in use: serial
00:19.0 Ethernet controller [0200]: Intel Corporation 82579LM Gigabit Network Connection [8086:1502] (rev 04)
Subsystem: Lenovo 82579LM Gigabit Network Connection [17aa:21f3]
Kernel driver in use: e1000e
Kernel modules: e1000e
00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family USB Enhanced Host Controller [17aa:2203]
Kernel driver in use: ehci-pci
00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family High Definition Audio Controller [17aa:2203]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.1 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 [8086:1e12] (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1c.2 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 [8086:1e14] (rev c4)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family USB Enhanced Host Controller [17aa:2203]
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation QM77 Express Chipset LPC Controller [8086:1e55] (rev 04)
Subsystem: Lenovo QM77 Express Chipset LPC Controller [17aa:2203]
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04)
Subsystem: Lenovo 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [17aa:2203]
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04)
Subsystem: Lenovo 7 Series/C210 Series Chipset Family SMBus Controller [17aa:2203]
Kernel modules: i2c_i801
02:00.0 System peripheral [0880]: Ricoh Co Ltd PCIe SDXC/MMC Host Controller [1180:e823] (rev 07)
Subsystem: Lenovo PCIe SDXC/MMC Host Controller [17aa:2203]
Kernel driver in use: sdhci-pci
Kernel modules: sdhci_pci
03:00.0 Network controller [0280]: Intel Corporation Centrino Advanced-N 6205 [Taylor Peak] [8086:0085] (rev 34)
Subsystem: Intel Corporation Centrino Advanced-N 6205 AGN [8086:1311]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
我知道这不是一个令人满意的答案，对于遇到同样问题的人来说也不是一个很有帮助的答案，但是因为对我来说问题已经解决了，所以我会认为它已经解决了并接受我的答案。