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Thread: Please help with bad wireless internet connection

  1. #1
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    Please help with bad wireless internet connection

    I've been having problems with my USB wireless driver. It's a TL-WN727N. Since upgrading to 11.10 my connections have been slow to non-existent. I thought that maybe the drivers were not installed so I followed the steps on this page <link> https://help.ubuntu.com/community/Wi...ce/Tenda_W311M </link>. When I save rt5370sta to /etc/modules/ I get full bars on my indicator, activity monitor shows some network movement. But, I cannot open a webpage and the system seems to slow down. For example, I opened terminal and it was hesitant coming up. Not the window but the line to input a command and apt-get update took 15 min to get to 24%. So I deleted the module rt5370sta from /etc/modules so I can have some internet access.

    I am new to Ubuntu and just trying to get my internet to its fullest wireless potential. If anyone can help I would be very grateful.

    Misc info:

    iwconfig:

    Code:
    lo        no wireless extensions.
    
    eth0      no wireless extensions.
    
    wlan0     IEEE 802.11bgn  ESSID:"###"  
              Mode:Managed  Frequency:2.422 GHz  Access Point:  ########  
              Bit Rate=6 Mb/s   Tx-Power=20 dBm   
              Retry  long limit:7   RTS thr:off   Fragment thr:off
              Power Management:off
              Link Quality=31/70  Signal level=-79 dBm  
              Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
              Tx excessive retries:57  Invalid misc:3   Missed beacon:0
    ifconfig:

    Code:
    eth0      Link encap:Ethernet  HWaddr 6c:62:6d:dd:0c:ae  
              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)
              Interrupt:41 
    
    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:16436  Metric:1
              RX packets:2280 errors:0 dropped:0 overruns:0 frame:0
              TX packets:2280 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:187728 (187.7 KB)  TX bytes:187728 (187.7 KB)
    
    wlan0     Link encap:Ethernet  HWaddr 54:e6:fc:8a:6e:c2  
              inet addr:195.189.0.3  Bcast:162.165.0.255  Mask:255.255.255.0
              inet6 addr: fe80::56e6:fcff:fe8a:6ec2/64 Scope:Link
              UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
              RX packets:69728 errors:0 dropped:0 overruns:0 frame:0
              TX packets:62623 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:1000 
              RX bytes:40799117 (40.7 MB)  TX bytes:8911462 (8.9 MB)
    lspci -nnk | grep -iA2 net:

    Code:
    02:00.0 Ethernet controller [0200]: Atheros Communications AR8131 Gigabit Ethernet [1969:1063] (rev c0)
        Subsystem: Micro-Star International Co., Ltd. Device [1462:7623]
        Kernel driver in use: atl1c
    uname -r:

    Code:
     3.0.0-26-generic
    lshw -C network:

    Code:
      *-network               
           description: Ethernet interface
           product: AR8131 Gigabit Ethernet
           vendor: Atheros Communications
           physical id: 0
           bus info: pci@0000:02:00.0
           logical name: eth0
           version: c0
           serial: 6c:62:6d:dd:0c:ae
           capacity: 1Gbit/s
           width: 64 bits
           clock: 33MHz
            capabilities: pm msi pciexpress vpd bus_master cap_list ethernet  physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
            configuration: autonegotiation=on broadcast=yes driver=atl1c  driverversion=1.0.1.0-NAPI firmware=N/A latency=0 link=no multicast=yes  port=twisted pair
           resources: irq:41 memory:febc0000-febfffff ioport:e800(size=128)
      *-network
           description: Wireless interface
           physical id: 1
           bus info: usb@1:3
           logical name: wlan0
           serial: 54:e6:fc:8a:6e:c2
           capabilities: ethernet physical wireless
            configuration: broadcast=yes driver=rt2800usb  driverversion=3.0.0-26-generic firmware=0.29 ip=122.167.0.3 link=yes  multicast=yes wireless=IEEE 802.11bgn

    Please let me know if anything else will help.

    Thank you!
    Last edited by skullnbones; November 5th, 2012 at 10:00 AM.

  2. #2
    squakie is offline I Ubuntu, Therefore, I Am
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    Re: Please help with bad wireless internet connection

    Have you seen this thread?

  3. #3
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    Re: Please help with bad wireless internet connection

    Hi ,

    please edit your post and remove ESSID and Access Point from iwconfig results. Not needed and can be considered as a security issue.

    Try this command and see if makes any difference
    Code:
    sudo iwconfig wlan0 bit 54M
    Also I see the link quality to 31/70 , this is not completely bad , but can be the reason of low speed.

    Thanks
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  4. #4
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    Re: Please help with bad wireless internet connection

    Quote Originally Posted by squakie View Post
    Have you seen this thread?

    It seems to be working a lot quicker than before. But how do I blacklist other drivers if I need to reboot the system? Thank you!!

  5. #5
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    Re: Please help with bad wireless internet connection

    Quote Originally Posted by NikTh View Post
    Hi ,

    please edit your post and remove ESSID and Access Point from iwconfig results. Not needed and can be considered as a security issue.

    Try this command and see if makes any difference
    Code:
    sudo iwconfig wlan0 bit 54M
    Also I see the link quality to 31/70 , this is not completely bad , but can be the reason of low speed.

    Thanks
    Thanks for the heads up...I tried the code but didn't see any results.

  6. #6
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    Re: Please help with bad wireless internet connection

    Quote Originally Posted by skullnbones View Post
    It seems to be working a lot quicker than before. But how do I blacklist other drivers if I need to reboot the system? Thank you!!

    You have to edit the file /etc/modprobe.d/blacklist.conf and add the entries manually like this
    Code:
    blacklist <module name>
    Open the file with root privileges with gedit editor
    Code:
    gksudo gedit /etc/modprobe.d/blacklist.conf
    and add at the end the lines (blacklist) you want. Save the file and when reboot the specific modules (you blacklisted) will not load.

    Thanks
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  7. #7
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    Re: Please help with bad wireless internet connection

    Quote Originally Posted by NikTh View Post
    You have to edit the file /etc/modprobe.d/blacklist.conf and add the entries manually like this
    Code:
    blacklist <module name>
    Open the file with root privileges with gedit editor
    Code:
    gksudo gedit /etc/modprobe.d/blacklist.conf
    and add at the end the lines (blacklist) you want. Save the file and when reboot the specific modules (you blacklisted) will not load.

    Thanks
    That sounds clear enough but how do I find which modules I have that need to be blacklisted?

  8. #8
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    Re: Please help with bad wireless internet connection

    I don't know , you said (asked) about blacklist some drivers.
    If you followed this solution and worked => http://ubuntuforums.org/showthread.php?t=1902715
    then I don't think you have to blacklist something. Only the opposite in case you had blacklisted the rt2800usb module but you hadn't , because the rt2800usb seems loaded from the results of "lshw -C network" at the first post.
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  9. #9
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    Re: Please help with bad wireless internet connection

    Quote Originally Posted by NikTh View Post
    I don't know , you said (asked) about blacklist some drivers.
    If you followed this solution and worked => http://ubuntuforums.org/showthread.php?t=1902715
    then I don't think you have to blacklist something. Only the opposite in case you had blacklisted the rt2800usb module but you hadn't , because the rt2800usb seems loaded from the results of "lshw -C network" at the first post.
    I did follow some of the instructions on that link but I got lost at the blacklisting part. I've never done that before. I think we'll leave this as it is now. Thank you both for your help. I'll mark this as solved....for now.

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