Liebe Freunde
Ich habe heute meinen Laptop von 14.04 auf 16.04 updatet. Durch dies habe ich keine WLAN Verbindung mehr.
Das Problem scheint hier zu liegen:
banker@banker:~$ iwconfig lo no wireless extensions. wlan0 IEEE 802.11bgn ESSID:off/any Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm Retry short limit:7 RTS thr:off Fragment thr:off Power Management:off eth0 no wireless extensions.
Wie bekomme ich das wieder an, am Physischen Schalter liegt es nicht.
Zur Vollständigkeit:
banker@banker:~$ uname -a Linux banker 4.4.0-83-generic #106-Ubuntu SMP Mon Jun 26 17:54:43 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux banker@banker:~$ lspci -nnk | grep -i net -A2 02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c) Subsystem: Hewlett-Packard Company ProBook 450/455 [103c:1950] Kernel driver in use: r8169 -- 04:00.0 Network controller [0280]: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe [1814:3290] DeviceName: WLAN Subsystem: Hewlett-Packard Company Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter [103c:18ec] banker@banker:~$ pccardct1 info Der Befehl »pccardct1« wurde nicht gefunden, meinten Sie vielleicht: Befehl »pccardctl« aus dem Paket »pcmciautils« (main) pccardct1: Befehl nicht gefunden. banker@banker:~$ pccardctl info banker@banker:~$ lsusb Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 002: ID 05c8:0359 Cheng Uei Precision Industry Co., Ltd (Foxlink) Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 008 Device 003: ID 046d:c077 Logitech, Inc. M105 Optical Mouse Bus 008 Device 002: ID 045e:07f8 Microsoft Corp. Wired Keyboard 600 (model 1576) Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 007 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub banker@banker:~$ usb-devices T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 5 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=04.04 S: Manufacturer=Linux 4.4.0-83-generic ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:00:12.2 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=01 Lev=01 Prnt=01 Port=04 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 D: Ver= 2.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=05c8 ProdID=0359 Rev=01.17 S: Manufacturer=SunplusIT INC. S: Product=HP HD Webcam C: #Ifs= 2 Cfg#= 1 Atr=80 MxPwr=500mA I: If#= 0 Alt= 0 #EPs= 1 Cls=0e(video) Sub=01 Prot=00 Driver=uvcvideo I: If#= 1 Alt= 0 #EPs= 0 Cls=0e(video) Sub=02 Prot=00 Driver=uvcvideo T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 5 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=04.04 S: Manufacturer=Linux 4.4.0-83-generic ehci_hcd S: Product=EHCI Host Controller S: SerialNumber=0000:00:13.2 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=03 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 5 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev=04.04 S: Manufacturer=Linux 4.4.0-83-generic ohci_hcd S: Product=OHCI PCI host controller S: SerialNumber=0000:00:12.0 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=04 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 5 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev=04.04 S: Manufacturer=Linux 4.4.0-83-generic ohci_hcd S: Product=OHCI PCI host controller S: SerialNumber=0000:00:13.0 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=05 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2 D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0001 Rev=04.04 S: Manufacturer=Linux 4.4.0-83-generic ohci_hcd S: Product=OHCI PCI host controller S: SerialNumber=0000:00:14.5 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=06 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 2 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=04.04 S: Manufacturer=Linux 4.4.0-83-generic xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:00:10.0 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=07 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=5000 MxCh= 2 D: Ver= 3.00 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1 P: Vendor=1d6b ProdID=0003 Rev=04.04 S: Manufacturer=Linux 4.4.0-83-generic xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:00:10.0 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=08 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 2 D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=1d6b ProdID=0002 Rev=04.04 S: Manufacturer=Linux 4.4.0-83-generic xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:00:10.1 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub T: Bus=08 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=1.5 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=045e ProdID=07f8 Rev=03.00 S: Manufacturer=Microsoft S: Product=Wired Keyboard 600 C: #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=01 Driver=usbhid I: If#= 1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid T: Bus=08 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=1.5 MxCh= 0 D: Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1 P: Vendor=046d ProdID=c077 Rev=72.00 S: Manufacturer=Logitech S: Product=USB Optical Mouse C: #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=usbhid T: Bus=09 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=5000 MxCh= 2 D: Ver= 3.00 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1 P: Vendor=1d6b ProdID=0003 Rev=04.04 S: Manufacturer=Linux 4.4.0-83-generic xhci-hcd S: Product=xHCI Host Controller S: SerialNumber=0000:00:10.1 C: #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=0mA I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
banker@banker:~$ cat /etc/network/interfaces auto lo iface lo inet loopback banker@banker:~$ cat /etc/resolv.conf # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8) # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN banker@banker:~$ cat /etc/hosts 127.0.0.1 localhost 127.0.1.1 banker # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes ff02::2 ip6-allrouters banker@banker:~$ ifconfig -a eth0 Link encap:Ethernet Hardware Adresse a4:5d:36:d0:d7:1a UP BROADCAST MULTICAST MTU:1500 Metrik:1 RX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX-Bytes:0 (0.0 B) TX-Bytes:0 (0.0 B) lo Link encap:Lokale Schleife inet Adresse:127.0.0.1 Maske:255.0.0.0 inet6-Adresse: ::1/128 Gültigkeitsbereich:Maschine UP LOOPBACK RUNNING MTU:65536 Metrik:1 RX-Pakete:3520 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:3520 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1 RX-Bytes:261030 (261.0 KB) TX-Bytes:261030 (261.0 KB) wlan0 Link encap:Ethernet Hardware Adresse 34:23:87:2d:93:2b BROADCAST MULTICAST MTU:1500 Metrik:1 RX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Fenster:0 TX-Pakete:0 Fehler:0 Verloren:0 Überläufe:0 Träger:0 Kollisionen:0 Sendewarteschlangenlänge:1000 RX-Bytes:0 (0.0 B) TX-Bytes:0 (0.0 B)