Dropping wifi connection

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Level 1

4 points

Dropping wifi connection

We have 2 iMAcs and for some reason one of them will show wifi connected in system preferences, but won't let you get to the internet. Strange. We have had it to the local "Mac" experts. They added memory, and said the dns changed. Then they ran it on youtube for 3 hrs no problem. I get it home and sstill have the problem. I have matched the settings that I have on the other imac, and that one has no problem. Any thoughts on where else I may check. I hate to take it back to that shop, as already paid them so much.

Thanks, Mary

iMac, OS X Mountain Lion (10.8.3)

Posted on May 20, 2013 9:52 AM

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Answer 1

Paul_31

Level 6

14,160 points

May 20, 2013 9:59 AM in response to flvermonter

Wifi problems seem to crop up a lot on here and unfortunately there doesn't seem to be a 'one fix' solution.

However, sometimes any one of the following can help although, unfortunately, not always - in no particular order:

Check wifi security - if it's WEP change it to WPA or WPA2 (preferably, as it's more secure)
Change the wifi channel on the router
Create a new Network Location: http://support.apple.com/kb/HT5289
Reboot the router

Also take a look at this link and the links within the article for other ideas. They mainly reference Lion, but still seem to be relevant to Mountain Lion:

http://osxdaily.com/2011/11/06/lion-wi-fi-problems-solution-mac/?utm_source=feed burner&utm_medium=feed&utm_campaign=Feed%3A+osxdaily+%28OS+X+Daily%29&utm_conte n t=FaceBook

...and this link:

http://osxdaily.com/2012/11/30/resolving-stubborn-wi-fi-connection-problems-in-m ac-os-x/

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