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WiFi problems, when one PC is on, WiFi isn't working

Discussion in 'Networking' started by Inevitabilty, Jan 19, 2012.

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  1. Inevitabilty

    Inevitabilty Thread Starter

    Joined:
    Jan 19, 2012
    Messages:
    1
    We have had WiFi for about 10 days now, and everything was ok until yesterday. WiFi went down, for some reason. We have 2 desktops PCs connected to router via cables, and 2 smartphones (Google Nexus S running Android 4.0.3 and Nokia N96 running old Symbian, if it matters) that go with without wires. The thing is, when my brother, turns on his PC, WiFi doesn't work for any of us, not on my PC nor on any smartphone, or his PC. When he shuts his PC down, it's all OK again. He did install (automatic) Windows Update.
    Why is this all of a sudden happening? And how do we fix it?

    Modem model: Speedtouch Thompson 510i
    Router model: TP-LINK TL-W340G

    If you need any more info, ask :D And thanks!
     
  2. Elvandil

    Elvandil

    Joined:
    Aug 1, 2003
    Messages:
    51,988
    What is he doing on his PC?
     
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