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Old 05-01-2013, 01:29 AM   #1
mrnlnerdy
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Registered: May 2013
Distribution: Mint
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wi-fi not working


I am a new user. Installed mint 13 cinnamon 32 bit yesterday. I was using wi-fi for about 1.5 hours and then wi-fi got disconnected. Its not working till now, it won't connect to any wireless network.Do I need to include any more detail??

Configuration:
Intel(R) Core(TM) i5 CPU, M480, 2.67GHz
4 GB RAM
64 bit
 
Old 05-01-2013, 01:48 AM   #2
Terminator3000
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See this post on setting up wireless via DHCP it is for Centos 6 which is an rpm based system but should be easy to adapt to Mint.
 
Old 05-01-2013, 03:03 AM   #3
mrnlnerdy
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Quote:
Originally Posted by Terminator3000 View Post
See this post on setting up wireless via DHCP it is for Centos 6 which is an rpm based system but should be easy to adapt to Mint.
It didnt work..
look at this
Code:
lspci
Code:
00:00.0 Host bridge: Intel Corporation Core Processor DRAM Controller (rev 02)
00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)
00:16.0 Communication controller: Intel Corporation 5 Series/3400 Series Chipset HECI Controller (rev 06)
00:1a.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1b.0 Audio device: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio (rev 05)
00:1c.0 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 (rev 05)
00:1c.1 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 2 (rev 05)
00:1c.2 PCI bridge: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 3 (rev 05)
00:1d.0 USB controller: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller (rev 05)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev a5)
00:1f.0 ISA bridge: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation 5 Series/3400 Series Chipset 4 port SATA AHCI Controller (rev 05)
00:1f.3 SMBus: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller (rev 05)
00:1f.6 Signal processing controller: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem (rev 05)
02:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05)
04:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5116 PCI Express Card Reader (rev 01)
7f:00.0 Host bridge: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers (rev 02)
7f:00.1 Host bridge: Intel Corporation Core Processor QuickPath Architecture System Address Decoder (rev 02)
7f:02.0 Host bridge: Intel Corporation Core Processor QPI Link 0 (rev 02)
7f:02.1 Host bridge: Intel Corporation Core Processor QPI Physical 0 (rev 02)
7f:02.2 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
7f:02.3 Host bridge: Intel Corporation Core Processor Reserved (rev 02)
thanks in advance
 
Old 05-01-2013, 03:11 AM   #4
Terminator3000
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And the output of

$sudo ifconfig -a

Does it show a device such as wlan0 ?
 
Old 05-01-2013, 03:20 AM   #5
mrnlnerdy
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Quote:
Originally Posted by Terminator3000 View Post
And the output of

$sudo ifconfig -a

Does it show a device such as wlan0 ?
Naah..
Code:
$sudo ifconfig -a
Code:
eth0      Link encap:Ethernet  HWaddr 98:4b:e1:a6:9c:d3  
          inet addr:192.168.1.188  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::9a4b:e1ff:fea6:9cd3/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:35140 errors:0 dropped:0 overruns:0 frame:0
          TX packets:24642 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:38511475 (38.5 MB)  TX bytes:2893837 (2.8 MB)
          Interrupt:41 

eth1      Link encap:Ethernet  HWaddr e0:2a:82:45:1f:52  
          inet6 addr: fe80::e22a:82ff:fe45:1f52/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:318
          TX packets:0 errors:26 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
          Interrupt:16 

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:16436  Metric:1
          RX packets:926 errors:0 dropped:0 overruns:0 frame:0
          TX packets:926 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:153460 (153.4 KB)  TX bytes:153460 (153.4 KB)
 
Old 05-01-2013, 03:25 AM   #6
Terminator3000
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You need to have it show up there, try uninstalling then re-installing the wireless device drivers, then reissue ifconfig -a

you need a 'wlan0' in the output of that.
 
Old 05-02-2013, 08:42 AM   #7
mrnlnerdy
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Quote:
Originally Posted by Terminator3000 View Post
You need to have it show up there, try uninstalling then re-installing the wireless device drivers, then reissue ifconfig -a

you need a 'wlan0' in the output of that.
My wifi was not working at hostel. But now I am using wifi from a portable wifi hotspot(from a cell phone) and its working fine.
And about your last advise, I removed the proprietary driver Broadcom STA wireless driver and then added it again. But it didnt work. Should I remove it, restart it and then again try to add it or what??I am confused about what i should do.

N.B.: My hostel wifi is not proxy server, dont know if you need to know it or not.
 
Old 05-02-2013, 09:18 AM   #8
cynwulf
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Quote:
Originally Posted by Terminator3000 View Post
you need a 'wlan0' in the output of that.
Not necessarily, some wireless devices can show up as eth1, but in this case I doubt eth1 is the wireless.

Output of iwconfig is useful in such cases.

Code:
# iwconfig
These broadcom devices requires proprietary firmware in conjunction with the brcmsmac driver (included in the kernel)
Code:
02:00.0 Network controller: Broadcom Corporation BCM4313 802.11b/g/n Wireless LAN Controller (rev 01)
In Debian the package firmware-brcm80211 supplies this firmware - no idea about 'buntu/Mint though.

Last edited by cynwulf; 05-02-2013 at 09:23 AM.
 
Old 05-02-2013, 04:13 PM   #9
Terminator3000
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It's just that it WAS working so the drivers/firmware were on already. Maybe check to see if Debian/Mint have kernel mod packages available.
 
  


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