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hjelp med wifi på probook 4330s ubuntu


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Sjekk først om det er bryter til trådløst på laptopen, sørg i så fall for at denne er skrudd på.

 

Hvis dette er greit kan det være kjekt å vite mer om trådløskortet ditt. Flott om du slenger opp en terminal, installer lshw:

sudo apt-get install lshw

så kan du kjøre følgende kommando, og klippe og lime output hit:

sudo lshw -C network

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Knappen skal være på.

*-network			  
   description: Wireless interface
   product: Ralink corp.
   vendor: Ralink corp.
   physical id: 0
   bus info: pci@0000:24:00.0
   logical name: wlan0
   version: 00
   serial: 68:a3:c4:34:d5:c9
   width: 32 bits
   clock: 33MHz
   capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
   configuration: broadcast=yes driver=rt2800pci driverversion=3.0.0-12-generic firmware=0.34 latency=0 link=no multicast=yes wireless=IEEE 802.11abgn
   resources: irq:19 memory:94600000-9460ffff
 *-network
   description: Ethernet interface
   product: RTL8111/8168B PCI Express Gigabit Ethernet controller
   vendor: Realtek Semiconductor Co., Ltd.
   physical id: 0
   bus info: pci@0000:25:00.0
   logical name: eth0
   version: 06
   serial: 2c:41:38:01:ea:1d
   size: 100Mbit/s
   capacity: 1Gbit/s
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
   configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168e-2.fw ip=10.0.0.7 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
   resources: irq:46 ioport:2000(size=256) memory:94404000-94404fff memory:94400000-94403fff

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lspci

00:00.0 Host bridge: Intel Corporation 2nd Generation Core Processor Family DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB Controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 (rev b4)
00:1c.1 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 (rev b4)
00:1c.2 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 (rev b4)
00:1c.3 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 (rev b4)
00:1c.5 PCI bridge: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 (rev b4)
00:1d.0 USB Controller: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM65 Express Chipset Family LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller (rev 04)
23:00.0 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 30)
23:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 30)
23:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 30)
24:00.0 Network controller: Ralink corp. Device 3592
25:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)

 

iwconfig

lo	    no wireless extensions.
eth0	  no wireless extensions.
wlan0	 IEEE 802.11abgn  ESSID:off/any 
	  Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm  
	  Retry  long limit:7   RTS thr:off   Fragment thr:off
	  Power Management:off

sudo iwlist scanning

lo	    Interface doesn't support scanning.
eth0	  Interface doesn't support scanning.
wlan0	 No scan results

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Nå er det slik

*-network			  
   description: Wireless interface
   product: Ralink corp.
   vendor: Ralink corp.
   physical id: 0
   bus info: pci@0000:24:00.0
   logical name: ra0
   version: 00
   serial: 68:a3:c4:34:d5:c9
   width: 32 bits
   clock: 33MHz
   capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
   configuration: broadcast=yes driver=RALINK WLAN driverversion=2.4.1.1 ip=10.0.0.5 latency=0 multicast=yes wireless=Ralink STA
   resources: irq:19 memory:94600000-9460ffff
 *-network
   description: Ethernet interface
   product: RTL8111/8168B PCI Express Gigabit Ethernet controller
   vendor: Realtek Semiconductor Co., Ltd.
   physical id: 0
   bus info: pci@0000:25:00.0
   logical name: eth0
   version: 06
   serial: 2c:41:38:01:ea:1d
   size: 10Mbit/s
   capacity: 1Gbit/s
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
   configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=rtl_nic/rtl8168e-2.fw latency=0 link=no multicast=yes port=MII speed=10Mbit/s
   resources: irq:46 ioport:2000(size=256) memory:94404000-94404fff memory:94400000-94403fff

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Du kan se driver er endret fra rt2800pci til RALINK. Merkelig at det ikke er litt mer informativt navn på driveren, men det får stå for Ralink sin regning.

 

Uansett, det er en ting du bør være klar over. Når du har installert driveren slik du har nå, så kan den slutte å virke etter en kjerneoppdatering (det vil du unngå dersom du hadde muligheten til å installere samme driver gjennom Additional drivers). Ta derfor vare på mappen angepasster-DPO_RT3562_3592_3062_LinuxSTA_V2.4.1.1_201012 (du kan godt gi den et nytt navn hvis du vil). Dersom driveren slutter å virke kan du da installere den på nytt ved å gå inn i mappen, og kjøre om igjen

make
sudo make install

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