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linksys wrt54g wireless not working

Discussion in 'Networking' started by khienluong, Dec 13, 2010.

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  1. khienluong

    khienluong Thread Starter

    Joined:
    Jan 29, 2004
    Messages:
    109
    ok, the other day I temporarily disconnected the wiring and when i put it back to its original state, the wireless is no longer working. The dsl line is connect to my modem. the ethernet cable is connected behind my modem to the internet jack on my router. port one is occupied by my desktop and any other port(total of four) is used for my wireless laptop. I am pretty sure the wiring is correct, but there is no light indication on my modem for internet. The internet is working on my desktop and is only working for my laptop if i connect it to a port on the router directly. My laptop shows no signal from my router.

    I checked the settings on http://192.168.1.1
    and everything seems unchanged from before.



    does anyone know the problem???
     
  2. TerryNet

    TerryNet Terry Moderator

    Joined:
    Mar 23, 2005
    Messages:
    69,586
    Not sure. You state that "the wireless is no longer working" and that "there is no light indication on my modem for internet" although you still get internet access. That seems to be two problems. The second one must be a very unusual LED failure. The first could be a failure of the router's wireless or loose antenna or some issue with your laptop's wireless.
     
  3. khienluong

    khienluong Thread Starter

    Joined:
    Jan 29, 2004
    Messages:
    109
    yes u got it right, the internet light on the modem is not on but its still sending service to the router. I am online at this instant with my laptop but directly through the router port with ethernet only--still no signal for wireless though.
     
  4. Couriant

    Couriant Trusted Advisor

    Joined:
    Mar 26, 2002
    Messages:
    30,995
    do you mean your laptop cannot see the wireless network?
     
  5. khienluong

    khienluong Thread Starter

    Joined:
    Jan 29, 2004
    Messages:
    109
    and to correct myself, the internet indication light does work on my modem, but only when i connect the dsl modem directly to a computer and not to router. when i connect it to the router, everything still works but there is no light on "internet" and there is no wireless signal.
     
  6. Couriant

    Couriant Trusted Advisor

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    how close is the laptop to the router?
     
  7. khienluong

    khienluong Thread Starter

    Joined:
    Jan 29, 2004
    Messages:
    109
    lap top is pretty close to the router... it worked fine before,, distance and what not is not the issue...

    and yes,, my lap top can not see the wireless network..
     
  8. khienluong

    khienluong Thread Starter

    Joined:
    Jan 29, 2004
    Messages:
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    sorry, i just checked and it sees my wireless network but when i try to connect, it doesnt
     
  9. TerryNet

    TerryNet Terry Moderator

    Joined:
    Mar 23, 2005
    Messages:
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    Disable encryption on the router and try to connect. If successful you can probably re-enable encryption and reconnect. If unsuccessful please show ...

    Start, Run, CMD, OK to open a command prompt:
    (For Vista or 7 type CMD in the Search box after Start)

    Type the following command:

    IPCONFIG /ALL

    [Note that there is no space between the slash and ALL.]

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

    If necessary use a text file and removable media to copy the results to a computer with internet access.
     
  10. khienluong

    khienluong Thread Starter

    Joined:
    Jan 29, 2004
    Messages:
    109
    not sure what disabling the encryption is but i went ahead and did the second part...

    Microsoft Windows [Version 6.0.6002]
    Copyright (c) 2006 Microsoft Corporation. All rights reserved.

    C:\Users\test>ipconfig/all

    Windows IP Configuration

    Host Name . . . . . . . . . . . . : khien-PC
    Primary Dns Suffix . . . . . . . :
    Node Type . . . . . . . . . . . . : Hybrid
    IP Routing Enabled. . . . . . . . : No
    WINS Proxy Enabled. . . . . . . . : No

    Wireless LAN adapter Wireless Network Connection:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Intel(R) PRO/Wireless 3945ABG Network Con
    nection
    Physical Address. . . . . . . . . : 00-1C-BF-72-16-16
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes

    Ethernet adapter Local Area Connection:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Realtek RTL8101E Family PCI-E Fast Ethern
    et NIC (NDIS 6.0)
    Physical Address. . . . . . . . . : 00-1E-68-20-0A-C4
    DHCP Enabled. . . . . . . . . . . : Yes
    Autoconfiguration Enabled . . . . : Yes
    Link-local IPv6 Address . . . . . : fe80::dd75:8de9:bf:d2b1%8(Preferred)
    IPv4 Address. . . . . . . . . . . : 192.168.1.101(Preferred)
    Subnet Mask . . . . . . . . . . . : 255.255.255.0
    Lease Obtained. . . . . . . . . . : Tuesday, December 14, 2010 12:24:42 PM
    Lease Expires . . . . . . . . . . : Wednesday, December 15, 2010 12:24:41 PM
    Default Gateway . . . . . . . . . : 192.168.1.1
    DHCP Server . . . . . . . . . . . : 192.168.1.1
    DHCPv6 IAID . . . . . . . . . . . : 201333540
    DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-10-A5-01-9E-00-1E-68-20-0A-C4

    DNS Servers . . . . . . . . . . . : 68.94.156.1
    68.94.157.1
    NetBIOS over Tcpip. . . . . . . . : Enabled

    Tunnel adapter Local Area Connection* 13:

    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
    Physical Address. . . . . . . . . : 02-00-54-55-4E-01
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes
    IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:28fe:140e:ba1c:2e03(Pref
    erred)
    Link-local IPv6 Address . . . . . : fe80::28fe:140e:ba1c:2e03%10(Preferred)
    Default Gateway . . . . . . . . . : ::
    NetBIOS over Tcpip. . . . . . . . : Disabled

    Tunnel adapter Local Area Connection* 6:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{F012F646-4CB4-4F78-B41A-9C27E3729
    001}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 14:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{351D9F1B-4B19-4692-8146-FD1DC8E46
    E55}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 11:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{486FD676-1341-467A-B88D-C12847093
    359}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    Tunnel adapter Local Area Connection* 17:

    Media State . . . . . . . . . . . : Media disconnected
    Connection-specific DNS Suffix . :
    Description . . . . . . . . . . . : isatap.{B7FF2B18-DBC5-42BE-8CF5-2AEB8A7CB
    7AD}
    Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
    DHCP Enabled. . . . . . . . . . . : No
    Autoconfiguration Enabled . . . . : Yes

    C:\Users\test>
     
  11. TerryNet

    TerryNet Terry Moderator

    Joined:
    Mar 23, 2005
    Messages:
    69,586
    Login to the router, navigate to the wireless section, and set the encryption (or security) mode to 'none' or 'off' or 'disabled' or similar.
     
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