wifi problem with linux mint 14 nadia

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wifi problem with linux mint 14 nadia

Postby coolbreeze970 on Thu Feb 14, 2013 9:13 pm

Hi, i have some problem with my wireless network with linux mint 14, ubuntu 12.04, so the problem is, my wifi connect properly, but after maybe 10 minutes of work,
the wifi show is connected properly, but i don't have any activity, when i refresh the page, nothing is work, i need to connect the wifi manualy and after 20 second my internet work again for
about 10 minutes, i have make all my updates so at this time i don't know what is wrong whit this, my wifi card is: asus pce-n15 , when i use my internet with the dsl cable, all work good.

Thank you for your help guys,
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Re: wifi problem with linux mint 14 nadia

Postby nomko on Fri Feb 15, 2013 8:15 am

Can you place the output of the following terminal command here:
Code: Select all
inxi -nN

This will gives us more detailed info about your network card.
MSI GE70-2PE*Quad core Intel Core i7-4710HQ*Kingston 16 GB RAM*Intel 4th Gen. Integr. GPU/NVidia GeForce GTX860M*Qualcomm Atheros Killer E2200/Intel Wireless 3160*Sitecom X5-N600 Router (WLR-5100)

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Re: wifi problem with linux mint 14 nadia

Postby coolbreeze970 on Fri Feb 15, 2013 12:20 pm

yeah for sure:
ken@ken-Studio-XPS-435T-9000 ~ $ inxi -nN
Network: Card-1: Realtek RTL8111/8168B PCI Express Gigabit Ethernet controller driver: r8169
IF: eth0 state: down mac: 00:23:ae:e7:2b:30
Card-2: Realtek RTL8188CE 802.11b/g/n WiFi Adapter driver: rtl8192ce
IF: wlan0 state: up mac: c8:60:00:d3:f0:88
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Re: wifi problem with linux mint 14 nadia

Postby calisto053 on Sat Feb 16, 2013 11:15 am

I have identical problem since Mint 9. The Power Management settings in Ubuntu is causing less power to be supplied to the wireless internet device there by constantly slowing down the internet speed in many wireless devices.

Open terminal and type:
Code: Select all
sudo iwconfig


Check wireless device name, usually it will be wlan0. Then type:
Code: Select all
sudo iwconfig wlan0 power off


It will switch off power mangement by Ubuntu for your wireless device. Now, try download youtube video!
To make this permanently, open as administrator /etc/pm/power.d or simply create that location.
Open gedit, save it as "wireless" on this location after adding following lines:
Code: Select all
#!/bin/sh

/sbin/iwconfig wlan0 power off


...and make it exectable:
Code: Select all
sudo chmod 755 /etc/pm/power.d/wireless.txt



Wireless connection information - speed setting:

1. - Right click on the wireless icon in the top right of the screen and choose "Connection Information".
the speed as 54Mb/s which is typical of an 802.11g/n network.

2. - If the speed is less than you expect and the network manager is showing a speed of less than 54Mbps then you can try forcing it to use 54Mbps using iwconfig (temporary solution!). First establish the name of the interface. This can be taken from the Connection Information panel in Network Manager. Change the setting dynamically using the following command:
Code: Select all
sudo iwconfig eth1 rate 54M


3. - Making the network speed changes permanent - a file "wireless-speed" should be created in location:
/etc/network/if-up.d (opel location as administrator). Contents should be as follows:
Code: Select all
#!/bin/sh -e
#
# Sets speed of interface to 54M

if [ "$IFACE" = "eth1" ] ; then
        iwconfig eth1 rate 54M
fi


...obviously changing the entries form eth1 as appropriate. The command should be made executable:
Code: Select all
sudo chmod 755 wireless-speed


The scripts in the /etc/network/if-up.d directory are all run whenever a network interface is brought up. The script checks to see if it is the interface in question and if so runs the iwconfig command that we ran earlier.


Sources:
http://www.hitxp.com/articles/software/ ... y-narwhal/
http://www.penguintutor.com/blog/viewblog.php?blog=4414


Hope this will work! Cheers! :D
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Re: wifi problem with linux mint 14 nadia

Postby coolbreeze970 on Fri Feb 22, 2013 9:13 am

When im trying to do your request, this is the problem i have


ken@ken-Studio-XPS-435T-9000 ~ $ sudo iwconfig
[sudo] password for ken:
eth0 no wireless extensions.

lo no wireless extensions.

wlan0 IEEE 802.11bgn ESSID:"TP-LINK_FE15FE"
Mode:Managed Frequency:2.412 GHz Access Point: F4:EC:38:FE:15:FE
Bit Rate=0 kb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr=2347 B Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=70/70 Signal level=-40 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:4 Missed beacon:0

ken@ken-Studio-XPS-435T-9000 ~ $ sudo iwconfig wlan0 power off
Error for wireless request "Set Power Management" (8B2C) :
SET failed on device wlan0 ; Operation not supported.
ken@ken-Studio-XPS-435T-9000 ~ $
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Re: wifi problem with linux mint 14 nadia

Postby ishi on Tue Apr 23, 2013 12:27 am

Having the same problem here with no fix yet.

Here's the output of: inxi -nN

Network: Card-1: Davicom 21x4x DEC-Tulip compatible 10/100 Ethernet driver: dmfe
IF: eth0 state: unknown speed: N/A duplex: N/A mac: 00:80:ad:78:81:d7
Card-2: Atheros AR922X Wireless Network Adapter driver: ath9k
IF: wlan0 state: up mac: a0:f3:c1:bf:f0:9d

And here is the output for: sudo iwconfig

[sudo] password for isham:
wlan0 IEEE 802.11bgn ESSID:"NETGEAR77"
Mode:Managed Frequency:2.462 GHz Access Point: 4C:60:DE:3F:FF:DD
Bit Rate=104 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=63/70 Signal level=-47 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:198 Invalid misc:223 Missed beacon:0

lo no wireless extensions.

eth0 no wireless extensions.

From what I can tell, the problems here are very similar. Power Managment is already off, i know that my connection (when it is running) is at its lowest 78 Mb/s. I also already contacted my internet provider and there should be no reason for this to happen. Also very new to Linux so if I've made some booboo please let me know.
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