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Wireless connection suddenly disconnects

Discussion in 'Networking' started by sonic_green, May 4, 2009.

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  1. sonic_green

    sonic_green Thread Starter

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    Hi,
    Since i have my computer (2 years) i had a problem with shared directories, we have 3 more computers at home that are working on a WLAN and only i have a problem with accessing directories.

    I called up one of my friends who was told to be a network technician, but after he tried to do something he couldn't help and the problem remained as it was, but after he left, the connection keeps randomaly disconnect and it is very annoying.

    I asked him to redo his actions but he said that he doesn't remember what he did, so i am asking here for help.

    The sharing is the minor problem, the disconnection is the main problem which i would like to solve first.

    I have WIN XP and i use a 3com router.

    I have to say that before he tried to fix my problem, i had always a RaLink Wireless icon at the bottom right corner (system tray?), and after he did whatever he did, it is not there anymore.

    Please help, i am here to answer any question that you need to help me!

    Thank you,
    Eyal
     
  2. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Please supply the following info, exact make and models of the equipment please.

    Name of your ISP (Internet Service Provider).
    Make and exact model of the broadband modem.
    Make and exact model and hardware version of the router (if a separate unit).
    Model numbers can usually be obtained from the label on the device.
    Connection type, wired or wireless.
    If wireless, encryption used, (none, WEP, WPA, or WPA2)
    Version and patch level of Windows on all affected machines, i.e. XP (Home or Pro), SP1-SP2-SP3, Vista (Home, Business, Ultimate), etc.
    The Internet Browser in use, IE, Firefox, Opera, etc.




    Please give an exact description of your problem symptoms, including the exact text of any error messages.



    • If you're using a wireless connection, have you tried a direct connection with a cable to see if that changes the symptoms?
    • For wireless issues, have you disabled all encryption on the router to see if you can connect that way?
    • Have you connected directly to the broadband modem to see if this is a router or modem/ISP issue?
    • If there are other computers on the same network, are they experiencing the same issue, or do they function normally?




    On any affected computer, I'd also like to see this:

    Hold the Windows key and press R, then type CMD (COMMAND for W98/WME) to open a command prompt:

    Type the following commands on separate lines, following each one with the Enter key:

    PING 206.190.60.37

    PING yahoo.com

    NBTSTAT -n

    IPCONFIG /ALL

    Right click in the command window and choose Select All, then hit Enter.
    Paste the results in a message here.

    If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.
     
  3. Kr8zyVZtech

    Kr8zyVZtech

    Joined:
    May 4, 2009
    Messages:
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    sounds like a computer hardware issue but to be sure check you router firewall settings you said you have 3 or more computers at home if by chance you computer is the 3rd device on the router when the other pcs are online continuesly it will cause you problems login to your router and turn the firewall settings in the router to minimum 5x outa 10 this will solve your issue also in cmd prompt renew and release your ip then go about flushing your DNS if you have XP flushing your DNS is the same thing as repairing your connection. but to be honest it sounds like wireless card driver failure
     
  4. sonic_green

    sonic_green Thread Starter

    Joined:
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    Messages:
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    ISP connection: ADSL by an israeli telecommunications provider called Bezeq.
    Modem: Aztech ADSL2+ Ethernet Bridge Router DSL-600E (by TNN Networks)
    model# : DSL600E

    Router: 3Com OfficeConnect wireless 11g Cable/DSL Router
    model# : WL-527

    i am connected wireless, my WPA encryption is enabled, and the WEP is disabled.

    Version and patch level: Win XP Professional version 2002, SP3 v.3264

    The Internet Browser i use is IE.

    The problem is that sometimes, randomaly, during surfing, the internet connection goes down and i need to reconnect.
    the browser switches to "work offline" mode and i need to change it back after connecting again - annoying.

    1. didn't try this, i don't have such a long cable
    2. no i didn't
    3. no i didn't
    4. as much as i know i am the only computer that has this problem
     
  5. sonic_green

    sonic_green Thread Starter

    Joined:
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    Microsoft Windows XP [Version 5.1.2600]
    (C) Copyright 1985-2001 Microsoft Corp.
    C:\Documents and Settings\Eyal R>ping 206.190.60.37
    Pinging 206.190.60.37 with 32 bytes of data:
    Reply from 206.190.60.37: bytes=32 time=186ms TTL=54
    Reply from 206.190.60.37: bytes=32 time=184ms TTL=54
    Reply from 206.190.60.37: bytes=32 time=184ms TTL=54
    Reply from 206.190.60.37: bytes=32 time=184ms TTL=54
    Ping statistics for 206.190.60.37:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 184ms, Maximum = 186ms, Average = 184ms
    C:\Documents and Settings\Eyal R>ping yahoo.com
    Pinging yahoo.com [69.147.114.224] with 32 bytes of data:
    Reply from 69.147.114.224: bytes=32 time=177ms TTL=54
    Reply from 69.147.114.224: bytes=32 time=175ms TTL=54
    Reply from 69.147.114.224: bytes=32 time=175ms TTL=54
    Reply from 69.147.114.224: bytes=32 time=176ms TTL=54
    Ping statistics for 69.147.114.224:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
    Approximate round trip times in milli-seconds:
    Minimum = 175ms, Maximum = 177ms, Average = 175ms
    C:\Documents and Settings\Eyal R>nbtstat -n
    Local Area Connection:
    Node IpAddress: [0.0.0.0] Scope Id: []
    No names in cache
    Wireless Network Connection:
    Node IpAddress: [192.168.1.60] Scope Id: []
    NetBIOS Local Name Table
    Name Type Status
    ---------------------------------------------
    EYAL <00> UNIQUE Registered
    EYAL <20> UNIQUE Registered
    MSHOME <00> GROUP Registered
    MSHOME <1E> GROUP Registered
    MSHOME <1D> UNIQUE Registered
    ..__MSBROWSE__.<01> GROUP Registered
    C:\Documents and Settings\Eyal R>ipconfig /all
    Windows IP Configuration
    Host Name . . . . . . . . . . . . : EYAL
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Unknown
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No
    Ethernet adapter Local Area Connection:
    Media State . . . . . . . . . . . : Media disconnected
    Description . . . . . . . . . . . : Realtek RTL8169/8110 Family Gigabit
    Ethernet NIC
    Physical Address. . . . . . . . . : 00-16-17-D4-7C-F9
    Ethernet adapter Wireless Network Connection:
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Ralink Turbo Wireless LAN Card
    Physical Address. . . . . . . . . : 00-0E-2E-CA-1F-14
    Dhcp Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    IP Address. . . . . . . . . . . . : 192.168.1.60
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DNS Servers . . . . . . . . . . . : 192.168.1.1
    Lease Obtained. . . . . . . . . . : Tuesday, May 05, 2009 9:09:18 AM
    Lease Expires . . . . . . . . . . : Tuesday, May 05, 2009 9:09:18 PM
    C:\Documents and Settings\Eyal R>
     
  6. TerryNet

    TerryNet Moderator

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    First Name:
    Terry
    If I understand correctly you used to use a RaLink Wireless utility to manage your wireless connection and it always stayed connected. Now somebody has disabled or uninstalled that utility and you are using XP's Wireless Zero Configuration (WZC) and getting random disconnects. If I understood this correctly, try the RaLink utility again with WZC disabled.
     
  7. sonic_green

    sonic_green Thread Starter

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    i used RaLink today and it seemed to be ok until now, the connection was lost again
     
  8. TerryNet

    TerryNet Moderator

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    Make sure that WZC is disabled--Control Panel - Administrative Tools - Services - Wireless Zero Configuration should not be Started and its Startup Type should be 'Disabled.'
     
  9. sonic_green

    sonic_green Thread Starter

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    ok i did it, i will see during the day if it is working now
     
  10. sonic_green

    sonic_green Thread Starter

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    Well, when i stopped WZC the internet didn;t work at all...
    should i try what Kr8zyVZtech said? :

     
  11. TerryNet

    TerryNet Moderator

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    Then you weren't using the RaLink (or any other) wireless utility. :)
     
  12. sonic_green

    sonic_green Thread Starter

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    it was on, i made it run on startup and i see the icon at the system tray
     
  13. sonic_green

    sonic_green Thread Starter

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  14. TerryNet

    TerryNet Moderator

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    Whether you use WZC or RaLink (or some other wireless utitily) only one can be running, else they will conflict. One of the symptoms of a conflict is random disconnects.
     
  15. sonic_green

    sonic_green Thread Starter

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    ok, i have disabled WZC again and we will see what's happening.
    I have to remind you that untill now the RaLink was off and thw WZC was on
     
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