Laptop Acer Aspire 3820TG Wifi not working

[Milltach]

Hi all.

My Wifi is not working correctly on my Laptop, via ethernet cable it's fine. Sometimes I'm able to connect, but most of the times not. If I'm 5 meters away from the router, there is no way I can connect. With Windows 8 everything is fine and working, so maybe I have somehow update the Wifi dirvers on Mint I'm kind of noob.

I'm using Mint 17.1

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inxi -S
System:    Host: corei3 Kernel: 3.13.0-37-generic x86_64 (64 bit) Desktop: Gnome Distro: Linux Mint 17.1 Rebecca

mintWifi.py:

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sudo /usr/lib/linuxmint/mintWifi/mintWifi.py
[sudo] password for mint: 
-------------------------
* I. scanning WIFI PCI devices...
  -- Broadcom Corporation BCM43225 802.11b/g/n (rev 01)
      ==> PCI ID = 14e4:4357 (rev 01)
-------------------------
* II. querying ndiswrapper...
-------------------------
* III. querying iwconfig...
eth0      no wireless extensions.

lo        no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=27 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          
-------------------------
* IV. querying ifconfig...
eth0      Link encap:Ethernet  HWaddr 00:26:2d:98:0f:7d  
          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 (0.0 B)  TX bytes:0 (0.0 B)

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:65536  Metric:1
          RX packets:283 errors:0 dropped:0 overruns:0 frame:0
          TX packets:283 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:25853 (25.8 KB)  TX bytes:25853 (25.8 KB)

wlan0     Link encap:Ethernet  HWaddr 78:e4:00:60:0e:1e  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:114 errors:0 dropped:1 overruns:0 frame:0
          TX packets:238 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:15920 (15.9 KB)  TX bytes:41748 (41.7 KB)

-------------------------
* V. querying DHCP...
-------------------------
* VI. querying nslookup google.com...
;; connection timed out; no servers could be reached

What can I do? Any ideas? Thank you

[JeremyB]

What does

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lspci -nnk | grep -iA2 net

tell us. I am sure it needs firmware so

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sudo apt-get install linux-firmware

[Milltach]

Hello Jeremy, I tried but no success

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lspci -nnk | grep -iA2 net
03:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8151 v1.0 Gigabit Ethernet [1969:1073] (rev c0)
	Subsystem: Acer Incorporated [ALI] Device [1025:0364]
	Kernel driver in use: atl1c
05:00.0 Network controller [0280]: Broadcom Corporation BCM43225 802.11b/g/n [14e4:4357] (rev 01)
	Subsystem: Foxconn International, Inc. T77H103.00 Wireless Half-size Mini PCIe Card [105b:e021]
	Kernel driver in use: bcma-pci-bridge

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sudo apt-get install linux-firmware
Reading package lists... Done
Building dependency tree       
Reading state information... Done
linux-firmware is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 1 not upgraded.

What should I do?

[JeremyB]

See http://forums.linuxmint.com/viewtopic.p ... 59#p988027 as according to chili555 on ubuntuforums, it should work

[Milltach]

Hi, I tried but

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echo "blacklist b43" | sudo tee -a /etc/modprobe.d/broadcom.conf
echo "blacklist ssb" | sudo tee -a /etc/modprobe.d/broadcom.conf

did not change it at all after a restart. I just cannot connect :/

I tried this thread here: http://askubuntu.com/questions/55868/in ... ss-drivers

Dont want to work. Maybe the 4357 controller is very complicated... I dont know. The last thing I tried was this here:

I had the same problem with my Acer TravelMate 8172 and its Broadcom 4357 controller on Ubuntu 12.04. I had tried several solutions posted on the web for other Broadcom devices but they didn't work. andybleaden's solution above worked for me.

Following Andy's instructions, first I removed and reinstalled the Broadcom drivers with:

sudo apt-get purge bcmwl-kernel-source
sudo apt-get install bcmwl-kernel-source
After that, I executed

sudo modprobe -r b43 ssb wl
sudo modprobe wl

Right now if I want to connect to the wifi I get the message that I should retype my password after a while mint is tries to connect. The password is correct, on the other device it's working just here not. I have no idea what is going on there with mint