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Old 01-01-2015, 02:58 AM   #1
Anil Kagi
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Registered: Aug 2014
Distribution: LinuxMint 17 Qiana Cinnamon
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Unable to connect to Laptop wifi with mobile phone


Hello and Happy new year to everybody,

Laptop specifications: Samsung RV509, i3, 300GB HDD, 3GB Ram, Dual boot Windows7 & LM 17 cinnamon qiana.

Mobile phone specifications: Nokia Asha 500

Two days ago, I have done a re-installation. Before re-installation, I was actually sharing my Laptop internet connection with my phone, without any problems. Here below is how I used to connect then;

I had not configured or done anything to setup a wifi connection. Everytime I wanted to share my internet connection with my phone, I used to click on the
wifi icon in the tray and click on 'network settings', then click on the 'Use as Hotspot...' button, I used get the security code displayed and another notification that wifi is connected. Then I would start wifi on my phone and when prompted for password I used to enter the security code and I would be connected immidiately.

Now this is not happening. My laptop shows that it is connect to the wifi, but it does not get detected by the phone. I thought the problem may be in my phone. And so I backed up everything on my phone and reset it and updated the software, but still it says no network found!

I searched over the net and did some analysis of the status of my wifi connection through the Terminal.

I do not understand even one word of that output. Here below is the output;

Click image for larger version

Name:	WiFi status.png
Views:	21
Size:	110.0 KB
ID:	17248

During the re-installation I did one change, I don't know if that is the culprit or not. I installed a new driver for my wifi, I suppose. I am not sure, . But I don't know how to revert back, if at all I have installed a new one!

Please kindly help me in sharing my Laptop internet connection with my phone.

Thank you & Regards

Anil
 
Old 01-01-2015, 03:51 AM   #2
ondoho
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Quote:
Originally Posted by Anil Kagi View Post
During the re-installation I did one change, I don't know if that is the culprit or not. I installed a new driver for my wifi, I suppose. I am not sure
logic tells me that that has to be the problem, if it was working earlier.

please provide the information requested here.
 
Old 01-01-2015, 07:22 AM   #3
Anil Kagi
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Registered: Aug 2014
Distribution: LinuxMint 17 Qiana Cinnamon
Posts: 149

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Quote:
Originally Posted by ondoho View Post
logic tells me that that has to be the problem, if it was working earlier.

please provide the information requested here.
Hello Ondoho,

Thank you for coming.

Here below, I am sending the outputs mentioned in the thread;

Output 1.txt

Click image for larger version

Name:	Output 2.png
Views:	14
Size:	27.8 KB
ID:	17253

Click image for larger version

Name:	Outpu 3.png
Views:	12
Size:	47.1 KB
ID:	17254

The output of the command 'sudo cat /var/log/syslog | grep -Ei 'net|wpa|dhc'' was huge. Hope I haven't done something wrong. I checked three times, but I got the same long output.

Thank you for your compassion Ondoho.

Regards

Anil
 
Old 01-01-2015, 11:02 AM   #4
ondoho
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is your wifi working otherwise? can your computer connect to wifi?
or are you using your wifi only for creating a hotspot?
is the device that crates the hotspot the same (broadcom, see output below) as the one connecting?
have you tried if other devices can connect to it?

Code:
02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
    Subsystem: Askey Computer Corp. Device [144f:7179]
    Kernel driver in use: wl
it seems you have a problematic wifi-card.
see first here, then here and ultimately here.

if it was working before, try to remember or find out from your system which driver it was using then.
e.g. synaptic packet manager has a browsable history.
anyhow i'd try using the other supported driver, brcmsmac or brcm80211.
Code:
ak@ak-RV509 ~ $ uname -rv
3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:31:42 UTC 2014
is this really the current kernel for mint 17?
depending on the age of your machine, upgrading the kernel (and making sure you also boot into the new one) might help.
a quick search on linuxmint forums should provide the necessary steps.

Last edited by ondoho; 01-01-2015 at 11:04 AM.
 
1 members found this post helpful.
Old 01-02-2015, 02:45 AM   #5
Anil Kagi
Member
 
Registered: Aug 2014
Distribution: LinuxMint 17 Qiana Cinnamon
Posts: 149

Original Poster
Rep: Reputation: 0
Quote:
Originally Posted by ondoho View Post
is your wifi working otherwise? can your computer connect to wifi?
or are you using your wifi only for creating a hotspot?
is the device that crates the hotspot the same (broadcom, see output below) as the one connecting?
have you tried if other devices can connect to it?

Code:
02:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
    Subsystem: Askey Computer Corp. Device [144f:7179]
    Kernel driver in use: wl
it seems you have a problematic wifi-card.
see first here, then here and ultimately here.

if it was working before, try to remember or find out from your system which driver it was using then.
e.g. synaptic packet manager has a browsable history.
anyhow i'd try using the other supported driver, brcmsmac or brcm80211.
Code:
ak@ak-RV509 ~ $ uname -rv
3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:31:42 UTC 2014
is this really the current kernel for mint 17?
depending on the age of your machine, upgrading the kernel (and making sure you also boot into the new one) might help.
a quick search on linuxmint forums should provide the necessary steps.
Thank you ondoho for all the pains you have taken to help me;

In our earlier conversation you had noted that the new driver I had installed could be the problem. Your first link also took me to a wesite that suggested problems about drivers. Though I didn't understand much there, I took queue from that. I just went here to see what it says about Drivers. [I had glanced upon it when I had visited there once earlier.] Taking suggestions from there I opened the 'Driver Manager'. And bingo, there the identity of the proprietory wifi driver I had dared to install earlier and got into trouble, was listed and there was the option to remove it and use the default driver. I opted for the default driver. And tried to connect to the wifi. It was connected. Then I tried to connect my phone. It got connected too. Then I tried to share the internet conection of my Laptop with my phone through wifi. That got connected too.

The problem is solved.

Thanks a lot ondoho for being with me. Thank you for your compassion.

Regards

Anil
 
  


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