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Offline unisus21

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Wifi not connected
« on: March 09, 2016, 11:00:16 am »
I have acer aspire 4715z on newly fresh installed p6..but I cannot connect to my wifi..my card is Broadcom BCM4312 802.11b/g LP-PHY..can someone help me?

Offline PCNetSpec

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Re: Wifi not connected
« Reply #1 on: March 09, 2016, 02:24:33 pm »
Can you open a terminal and post the output from:
Code: [Select]
lspci -vnn | grep -i net
please.



There's a very good chance that connecting your PC to your router via an ethernet cable, then running:
Code: [Select]
sudo apt-get install b43-fwcutter firmware-b43-installer
will sort out wireless.
« Last Edit: March 19, 2016, 06:43:33 pm by PCNetSpec »
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Offline unisus21

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Re: Wifi not connected
« Reply #2 on: March 09, 2016, 07:35:13 pm »
I cannot post the output because I'm at work right now but I already done sudo update upgrade and installed b43 yesterday..getting some error..sudo modprobe also not executed..should I do sudo update again or reinstall p6..

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Offline PCNetSpec

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Re: Wifi not connected
« Reply #3 on: March 09, 2016, 07:57:17 pm »
Dunno yet .. you'll have to post the exact modprobe error .. and the output from the 'lspci' command above
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Offline unisus21

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Re: Wifi not connected
« Reply #4 on: March 09, 2016, 08:03:17 pm »
sorry what I mean is I already done sudo modprobe but terminal cannot execute that command..so no input on that..but ill get to you when I'm done lspci command above

Offline unisus21

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Re: Wifi not connected
« Reply #5 on: March 10, 2016, 12:27:13 am »
this is what appeared

Code: [Select]
unisus21@unisus-Aspire-4715 ~ $ lscpi -vnn | grep -i net
No command 'lscpi' found, did you mean:
 Command 'lscpu' from package 'util-linux' (main)
 Command 'lspci' from package 'pciutils' (main)
 Command 'lscp' from package 'nilfs-tools' (universe)
lscpi: command not found
« Last Edit: March 10, 2016, 02:56:41 am by AndyInMokum, Reason: Encapsulating output with [code] »

Offline unisus21

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Re: Wifi not connected
« Reply #6 on: March 10, 2016, 12:42:43 am »
Code: [Select]
nisus21@unisus-Aspire-4715 ~ $ sudo apt-get install b43-fwcutter firmware-b43-installer
Reading package lists... Done
Building dependency tree       
Reading state information... Done
b43-fwcutter is already the newest version.
firmware-b43-installer is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 178 not upgraded.

Code: [Select]
unisus21@unisus-Aspire-4715 ~ $ lscp -vnn | grep -i net
The program 'lscp' is currently not installed. You can install it by typing:
sudo apt-get install nilfs-tools

Code: [Select]
unisus21@unisus-Aspire-4715 ~ $ lspci -vnn | grep -i net
02:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8039 PCI-E Fast Ethernet Controller [11ab:4353] (rev 15)
04:00.0 Network controller [0280]: Broadcom Corporation BCM4312 802.11b/g LP-PHY [14e4:4315] (rev 01)
« Last Edit: March 10, 2016, 02:58:19 am by AndyInMokum, Reason: Encapsulating output with [code] »

Offline unisus21

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Re: Wifi not connected
« Reply #7 on: March 10, 2016, 02:52:49 am »
should i install other driver like so realtek instead..e.g

Code: [Select]
sudo add-apt-repository ppa:hanipouspilot/rtlwifi
Code: [Select]
sudo apt-get update
Code: [Select]
sudo apt-get install rtlwifi-new-dkms linux-firmware

any suggestion?
« Last Edit: March 10, 2016, 02:59:35 am by AndyInMokum, Reason: Encapsulating output with [code] »

Offline AndyInMokum

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Re: Wifi not connected
« Reply #8 on: March 10, 2016, 03:26:44 am »
Hi unisus21, how's it going?  Before you install anything else, complete your upgrade process.  With the ethernet cable attached, run the following command in a terminal window:
Code: [Select]
apt dist-upgrade
When the dist-upgrade has completed, it's very important you reboot your computer.  When the reboot has finished, unplug your ethernet cable.  Has your WiFi now sprung into life  ;)?

For future reference, could you please remember to encapsulate terminal outputs with the Insert, Code # function.  For extra long outputs, please use the Spoiler, Sp function.  It preserves the original format of the output.  This makes it easier for future visitors to relate to their own issues.  These functions are found in the forum editor, above the,  :-[ Embarrassed and  the :'( Cry emoticon respectively.  I've done this for you this time - many thanks  ;).
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Offline unisus21

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Re: Wifi not connected
« Reply #9 on: March 10, 2016, 03:46:55 am »
done dist-upgrade yesterday with few error code..might try again later..i'll keep it post..

Offline unisus21

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Re: Wifi not connected
« Reply #10 on: March 10, 2016, 04:39:50 am »
already done dist-upgrade..but still nothing..what shoul I do next?

Offline PCNetSpec

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Re: Wifi not connected
« Reply #11 on: March 10, 2016, 01:49:32 pm »
Reboot, then post the output from:
Code: [Select]
sudo lshw -C network
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Offline unisus21

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Re: Wifi not connected
« Reply #12 on: March 19, 2016, 12:10:01 am »
Sorry I a bit busy this whole week..travel different places..done update,upgrade and dist-upgrade..reboot and still nothing..done lshw -C network
Code: [Select]
unisus21@unisus-Aspire-4715 ~ $ sudo lshw -C network
[sudo] password for unisus21:
  *-network               
       description: Ethernet interface
       product: 88E8039 PCI-E Fast Ethernet Controller
       vendor: Marvell Technology Group Ltd.
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: 15
       serial: 00:1d:72:2d:9c:37
       size: 100Mbit/s
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm vpd msi pciexpress bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=sky2 driverversion=1.30 duplex=full ip=192.168.1.37 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
       resources: irq:43 memory:f6000000-f6003fff ioport:2000(size=256)
  *-network
       description: Wireless interface
       product: BCM4312 802.11b/g LP-PHY
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: wlan0
       version: 01
       serial: 00:1f:3a:b1:19:ea
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=wl0 driverversion=6.30.223.248 (r487574) latency=0 multicast=yes wireless=IEEE 802.11abg
       resources: irq:17 memory:f8000000-f8003fff

Offline unisus21

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Re: Wifi not connected
« Reply #13 on: March 19, 2016, 12:21:49 am »
one more thing..how to check my laptop were 32bit or 64bit..since i'm a noob to linux world

Offline AndyInMokum

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Re: Wifi not connected
« Reply #14 on: March 19, 2016, 05:52:14 am »
one more thing..how to check my laptop were 32bit or 64bit..since i'm a noob to linux world
Check out this tutorial: Check if your CPU is 64-bit or 32-bit  ;).
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