Hardware - Support > Network

Wifi USB Adapter stops working intermittently

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AndyOpie150:
Time to do some more research on my part. Will post if I find out anything. It's got to be something simple that I'm missing.

Colin23erk:
Hi
Loosing Hope with solving this --each step forward just presents a new problem to solve !

I have found out what the identifier is for rfkill its the devices number as shown with ( rfkill list )

--- Code: ---root@colin-NC110:/home/colin# rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
1: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
2: samsung-wlan: Wireless LAN
Soft blocked: no
Hard blocked: no
3: samsung-bluetooth: Bluetooth
Soft blocked: no
Hard blocked: no
4: phy1: Wireless LAN
Soft blocked: yes
Hard blocked: no
root@colin-NC110:/home/colin# rfkill unblock 1
root@colin-NC110:/home/colin# rfkill unblock 4
root@colin-NC110:/home/colin#


--- End code ---
I blocked 1 before I connected the dongle  to find I still had no WiF

The next problem is that both phy1 and phy0 are both blocked

In the output above item 1 that is shown as not blocked is also blocked for use as well as Item 4 which is shown as soft blocked

I could not unblock 1  (rfkill unblock 1) directly

I only got WiFi back when unblocking 4 (rfkill unblock 4) which unlocked 1 and 4

Where do I go now ??????

Colin

N4RPS:
Hello!

Found this helpfile in rfkill:

rob@N4RPS-D630-L:~$ rfkill --help
Usage:   rfkill [options] command
Options:
   --version   show version (0.5-1ubuntu1 (Ubuntu))
Commands:
   help
   event
   list [IDENTIFIER]
   block IDENTIFIER
   unblock IDENTIFIER
where IDENTIFIER is the index no. of an rfkill switch or one of:
   <idx> all wifi wlan bluetooth uwb ultrawideband wimax wwan gps fm nfc

Apparently, 'wlan0' is not supported. Given what the help file says, I must stand corrected about wifi as a legal parameter for this command. Additionally, I'd run this rfkill command BEFORE inserting the USB adapter, so you don't kill IT, TOO.

As for the 'ifdown' command, try 'sudo' in front of it. Whenever you see 'Permission denied', it's probably because it's a 'super user only ' command...

73 DE N4RPS
Rob


73

AndyOpie150:
Sorry about that. Didn't see the last output clearly. Not enough sleep last night due to installing Linux Lite on another computer, but only had phones throttled 3G signal 25KB/s to update-took forever).
If you want you could try:
The kill command, switching wlan0 with phy0.

Again sorry for not seeing the last output clearly.

Colin23erk:
OK I was hoping to sort out the problem while the Advent is away and possibly help someone else in the future .
 I have noticed a difference with the adapter between Linux (adapter light stays on ) and Win7  ( light flashes)

Thanks for all the effort you put in trying to solve it .

Bye Colin

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