Internet really slow on mac but not pc

Discussion in 'Mac Basics and Help' started by rodchop, Jun 22, 2013.

  1. rodchop macrumors newbie

    Jun 22, 2013
    For the last few days, my Internet has been grindingly slow at times when my Mac is connected. I have 6 Mbps, and usually get around 5 via speedtest when everything is fine. Recently however it has been dropping to 0.5 mbps or so. The problem is intermittent. Someone from my ISP came to look at it, but says that everything is fine with the connection and the router. They don't offer tech support for Macs.

    When I disconnect everything and hook up my PC, the connection speed is fine and consistent. The mac is not currently downloading anything in the background, or anything like that. I have rebooted the Mac in safe mode, disconnecting all peripherals, and still have the same problem.

    Once the Mac and PC are connected together, the pc has more or less the same speed issues as the Mac.

    The problem is the same whether connected by wireless or cable.

    Could it be something like the modem not getting on with the Mac? In which case, would buying an Airport Express likely sort it?

    Any help or guidance would be greatly appreciated.

    Many thanks in advance - I am tearing my hair out over this one and don't know where to turn!

    Ps Mac is new this year, and has all the latest updates
  2. satcomer macrumors 603


    Feb 19, 2008
    The Finger Lakes Region
    On the Mac open /Applications/Utilities/Activity Viewer and short by CPU and see if something is eating away processor cycles.

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