我使用定制的 Linux 发行版。当我尝试启用 wifi 时，我无法查看任何现有网络。我的 wifi 卡是 Intel Wifi link 5100，输出lspci -vv是
Subsystem: Intel Corporation WiFi Link 5100 AGN
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 35
Region 0: Memory at d6d00000 (64-bit, non-prefetchable) [size=8K]
Capabilities: [c8] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Address: 00000000fee02004 Data: 402b
Capabilities: [e0] Express (v1) Endpoint, MSI 00
DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 unlimited
ip link节目
wlp5s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000
link/ether 52:ce:71:xx:xx:xx brd ff:ff:ff:ff:ff:ff permaddr 00:22:fb:xx:xx:xx
ifconfig:
wlp5s0 Link encap:Ethernet HWaddr 52:CE:71:XX:XX:XX
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 TX bytes:0
我不明白问题出在哪里。你能帮忙吗？
sudo iwlist:
wlp5s0 Scan completed :
Cell 01 - Address:
Channel:1
Frequency:2.412 GHz (Channel 1)
Quality=40/70 Signal level=-70 dBm
Encryption key:on
ESSID:"ACT102474534110"
Cell 02 - Address:
Channel:2
Frequency:2.417 GHz (Channel 2)
Quality=38/70 Signal level=-72 dBm
Encryption key:on
ESSID:"Abhijit"
Cell 03 - Address:
Channel:3
Frequency:2.422 GHz (Channel 3)
Quality=48/70 Signal level=-62 dBm
Encryption key:on
ESSID:"gagsbuds"
Cell 04 - Address:
Channel:5
Frequency:2.432 GHz (Channel 5)
Quality=34/70 Signal level=-76 dBm
Encryption key:on
ESSID:"sanjay"
Cell 05 - Address:
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=44/70 Signal level=-66 dBm
Encryption key:on
ESSID:"The Devs"
Cell 07 - Address:
Channel:8
Frequency:2.447 GHz (Channel 8)
Quality=35/70 Signal level=-75 dBm
Encryption key:on
ESSID:"Tnet"
Cell 08 - Address:
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=70/70 Signal level=-21 dBm
Encryption key:on
ESSID:"MaANAS"
Cell 09 - Address:
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=69/70 Signal level=-41 dBm
Encryption key:on
ESSID:"DIRECT-np-BRAVIA"
Cell 10 - Address:
Channel:13
Frequency:2.472 GHz (Channel 13)
Quality=24/70 Signal level=-86 dBm
Encryption key:on
ESSID:"PanduHome"
答案1
根据您的评论，您用来连接 Wi-Fi 的任何实用程序都出现故障（例如，由于缺少依赖项），并且您的 Wi-Fi 适配器工作正常。
例如 NetworkManager 需要 NetworkManager-wifi 和 wpa_supplicant。