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Dell inspiron WiFi disconnecting Qualcomm Atheros AR9485 on Ubuntu 18.04.2 LTS

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1

I installed ubuntu 18.0.2 LTS on Dell inspiron [Intel® Core™ i5-3210M CPU @ 2.50GHz × 4 ] and I am getting problem about the disconnection of WIFI (keep on connecting and disconnecting). But, this is happening only on my home WIFI. Even from mobile hotspot, it works perfectly.

I tried to solve this issue, by reading different post like mentioned below and could not succeed even after 10 days.
Atheros AR9485 wifi disconnects randomly

Also many post wrote about [Brodcom modem ] and wcl driver updates, which doesn't work in mine case.

finally, I thought of writing a question here.
For the details about networks, I am adding details below asked in few old posts.

Edit: required information. Following is the link for network details as mentioned in comments by Mchid.

https://paste.ubuntu.com/p/JR4Z9DD7Ct/

I am looking for help, how I can solve this issue?

PS. I am not able to comment on other post/s to clear further doubt.

networking drivers wireless 18.04 atheros

share|improve this question

edited 5 hours ago

Amarinder Singh Thind

asked 6 hours ago

Amarinder Singh ThindAmarinder Singh Thind

62

New contributor

Amarinder Singh Thind is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please follow these instructions: askubuntu.com/a/425205/167115 and please post a link to the information in your question. Thanks!
  
  – mchid
  5 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Additionally, here is a helpful tip: to easily format code in a post, you can paste the code and then highlight all of the code and then press CTRL+K to automatically format the highlighted code in your post. You can format multiple lines of code like this instead of using backticks.
  
  – mchid
  5 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Check results for iwlist scan I think your wifi is using TKIP encryption as my AR9485 wouldn't stay connected as long as TKIP was used on my router
  
  – Jeremy31
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks, I posted the link with required information,
  
  – Amarinder Singh Thind
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Jeremy31 The script shows that TKIP is in use. You may want to answer this question.
  
  – mchid
  3 hours ago
  

  
  
  
  

add a comment | 

1

I installed ubuntu 18.0.2 LTS on Dell inspiron [Intel® Core™ i5-3210M CPU @ 2.50GHz × 4 ] and I am getting problem about the disconnection of WIFI (keep on connecting and disconnecting). But, this is happening only on my home WIFI. Even from mobile hotspot, it works perfectly.

I tried to solve this issue, by reading different post like mentioned below and could not succeed even after 10 days.
Atheros AR9485 wifi disconnects randomly

Also many post wrote about [Brodcom modem ] and wcl driver updates, which doesn't work in mine case.

finally, I thought of writing a question here.
For the details about networks, I am adding details below asked in few old posts.

Edit: required information. Following is the link for network details as mentioned in comments by Mchid.

https://paste.ubuntu.com/p/JR4Z9DD7Ct/

I am looking for help, how I can solve this issue?

PS. I am not able to comment on other post/s to clear further doubt.

networking drivers wireless 18.04 atheros

share|improve this question

edited 5 hours ago

Amarinder Singh Thind

asked 6 hours ago

Amarinder Singh ThindAmarinder Singh Thind

62

New contributor

Amarinder Singh Thind is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please follow these instructions: askubuntu.com/a/425205/167115 and please post a link to the information in your question. Thanks!
  
  – mchid
  5 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Additionally, here is a helpful tip: to easily format code in a post, you can paste the code and then highlight all of the code and then press CTRL+K to automatically format the highlighted code in your post. You can format multiple lines of code like this instead of using backticks.
  
  – mchid
  5 hours ago
  
  
  

  
  
  
  


• 
  
  
  

  
  1
  

  
  
  
  
  
  

  
  
  Check results for iwlist scan I think your wifi is using TKIP encryption as my AR9485 wouldn't stay connected as long as TKIP was used on my router
  
  – Jeremy31
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks, I posted the link with required information,
  
  – Amarinder Singh Thind
  5 hours ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Jeremy31 The script shows that TKIP is in use. You may want to answer this question.
  
  – mchid
  3 hours ago
  

  
  
  
  

add a comment | 

I installed ubuntu 18.0.2 LTS on Dell inspiron [Intel® Core™ i5-3210M CPU @ 2.50GHz × 4 ] and I am getting problem about the disconnection of WIFI (keep on connecting and disconnecting). But, this is happening only on my home WIFI. Even from mobile hotspot, it works perfectly.

I tried to solve this issue, by reading different post like mentioned below and could not succeed even after 10 days.
Atheros AR9485 wifi disconnects randomly

Also many post wrote about [Brodcom modem ] and wcl driver updates, which doesn't work in mine case.

finally, I thought of writing a question here.
For the details about networks, I am adding details below asked in few old posts.

Edit: required information. Following is the link for network details as mentioned in comments by Mchid.

https://paste.ubuntu.com/p/JR4Z9DD7Ct/

I am looking for help, how I can solve this issue?

PS. I am not able to comment on other post/s to clear further doubt.

networking drivers wireless 18.04 atheros

share|improve this question

edited 5 hours ago

Amarinder Singh Thind

asked 6 hours ago

Amarinder Singh ThindAmarinder Singh Thind

62

New contributor

Amarinder Singh Thind is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 5 hours ago

Amarinder Singh Thind

asked 6 hours ago

Amarinder Singh ThindAmarinder Singh Thind

62

New contributor

Amarinder Singh Thind is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 5 hours ago

Amarinder Singh Thind

asked 6 hours ago

Amarinder Singh ThindAmarinder Singh Thind

62

New contributor

Amarinder Singh Thind is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 6 hours ago

Amarinder Singh ThindAmarinder Singh Thind

62

New contributor

Amarinder Singh Thind is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 6 hours ago

Amarinder Singh ThindAmarinder Singh Thind

62