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Old Jan 24, 2007, 01:58 AM   #1
macrumors regular
Join Date: May 2005
Wireless connection keeps dropping iMac C2D


My iMac has been connected wirelessly to my D-Link DI-604 802.11g router for near 4 months now.

About 3 days ago, the iMac started to exhibit strange problems.

Every 3-4 minutes, the connection drops.
The airport icon at the top shows full bars (and the router is about 2 feet from the iMac) but the internet does not work anymore.
Also, if I deconnect and try to reconnect, at first it gives me an error ("there was an error connecting to network XXX"), then my network disappears from the list for 1-2minutes and then I can connect.

I think it has to do with an authentication problem but the password is correct etc.

I don't know what may cause this.

My PC with a wireless card is unaffected.

It seems to be a software problem with my iMac.

Does anyone have a solution?
-Late 2008 Unibody Macbook Pro - OS X 10.6
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Old Feb 23, 2009, 06:39 PM   #2
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Join Date: Jun 2007
Bump. Having the exact same problem with my MacBook running 10.4.11, on both my home and work networks.
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Old Jun 30, 2009, 11:20 PM   #3
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Join Date: May 2009
Bump. My mac mini keeps dropping its wifi signal. my sony vaio sitting right next to it does not have any problems. fixes please.
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Old Aug 17, 2009, 04:06 PM   #4
macrumors newbie
Join Date: May 2009

this is a seriously annoying issue. does it have anything to do with the fact that the router is a .11g and mac mini has a wireless 'N' card? fixes please.
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Old Aug 17, 2009, 04:10 PM   #5
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Join Date: Feb 2008
Location: Upstate NYS
Go to System Preferences->Network and highlight your Airport card. In the right windowe, at the top of the pane you will see the word "Location". Use the drop down to make a new custom named Location and once you make the new Location, at the bottom of the pane, hit the button for "Apply".

See if this helps. Good Luck.
Mac Pro Dual 2.8 Quad(Rev B.), 16 G RAM, OS X 10.9, 23'' LCD
Mac Book Pro Core 2 Duo 2.16Ghz, SuperDrive, 2G RAM, OS X 10.7.5
iPad 3, 32 black
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