Wireless connection keeps dropping iMac C2D

[MajereXYU]

Hello!

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?

 

[Synthezoid]

Bump. Having the exact same problem with my MacBook running 10.4.11, on both my home and work networks.

 

[grills]

Bump. My mac mini keeps dropping its wifi signal. my sony vaio sitting right next to it does not have any problems. fixes please.

 

[grills]

bump.

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.

 

[satcomer]

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.