ML Wi-fi Problem

Discussion in 'OS X Mountain Lion (10.8)' started by jan08, Aug 14, 2012.

  1. jan08 macrumors regular

    Oct 20, 2006
    Wakefield, England
    I've done a lot of Googling and searching here but I still can't sort this very annoying problem since upgrading to ML:
    I have a 27 Inch iMac Late 2009 Model
    I have slow internet speed, so in order to download files I have to leave them downloading overnight.
    However, when my Mac goes into sleep mode the wi-fi is dropping. When I wake it up from sleep, there is no connection and obviously my files haven't downloaded.

    I've reset SMC, PRAM, and also set up a new location all from tips around the net but still can't get this sorted.

    I've been a convert since Tiger, and this is the first problem I've ever really had but its very frustrating :(
  2. sweetbrat macrumors 65816


    Jun 17, 2009
    Redford, MI
    It's the way ML handles sleep. Check this thread for more of an explanation and a few suggestions on how to handle it. It is a pain, though.

    Basically, you need to force the machine to never go to sleep. You should be able to use Caffeine or a program like it to force it to stay awake, then maybe set up a hot corner in your system preferences for the times when you DO want it to sleep.

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