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PC Can't Find any Wireless Networks

Discussion in 'Networking' started by WantedFish, Aug 9, 2008.

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  1. WantedFish

    WantedFish Thread Starter

    Joined:
    Aug 4, 2008
    Messages:
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    Hi,

    Recently, I've been having some trouble with my wireless connection on my PC. I am running Windows XP SP2 and the network card is a PCI Belkin Wireless G 54mbps.

    After my PC has been on four about 15 - 30mins, the wireless connection drops and Windows tells me that there are no wireless networks available. When the connection is working, there are always about 8 wireless netowrks available. After I reboot the PC, the connection works again. Before this problem started, I could connect to my router at 54mbps, but since the problem has started, the connection speed varies between 11 and 36mbps.

    My laptop - which sits near my PC works fine and can detect all the available networks when the PC says there are none. When I try and disable/re-enable the network card, or change any of its properties, Device Manager hangs and only an 'end process' will close it.

    I tried upgrading the driver, but still no joy. I have recently bought a new network card (TP-Link TL-WN353G) but I get identical problems. However, I have just noticed that both of the cards use the Realtelk RTL8185L chipset. I could deduce that this is the problem, but the card worked perfectly well for 6 months prior to the problem starting.

    The PCI bus seems to be working fine; I plugged a SBLive! sound card into the slot and I had no problems with that.

    Can anyone offer any light on what this problem might be, or how to try and diagnose the fault?

    Many thanks in advance,

    Fish

    -------------------------------------------

    Additional Info:
    I'm in the UK (Scotland)
    ISP: Virgin Media (ASDL)
    Down/Up: 8mbps/256mbps
    Network adapter: TP-Link TL-WN353G (Realtelk RTL8185L chipset)
    Router: Thomson ST780 (software version: 6.2.29.3)
    Connection type: wireless
    Encryption: WEP
    My PC: self-build/P4 Prescott 2.8ghz/800mhs FSB/2gb RAM
    OS: Windows XP SP2
    Browsers: IE7, FF2, IE6
     
  2. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Does a wired connection work properly to the router?
     
  3. WantedFish

    WantedFish Thread Starter

    Joined:
    Aug 4, 2008
    Messages:
    8
    Hi,

    A wired connection works perfectly. I tried the on-bard and a PCI 10/100 card just to make sure.

    Thanks,

    Fish
     
  4. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Well, this sounds like a driver or PCI resource conflict. Have you tried different PCI slots for the card?
     
  5. WantedFish

    WantedFish Thread Starter

    Joined:
    Aug 4, 2008
    Messages:
    8
    Hi,

    I've hopefully fixed this problem.

    It seems to be a resource conflict. I removed my graphics card and the problem vanshed. I then removed all PCI devices and installed them one at a time. I used Everest Home to make sure everything was ok as I went along.

    Thanks for everyones help.

    Fish
     
  6. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
    Messages:
    106,418
    Hard to use the computer without a graphics card isn't it? :D
     
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