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My iMac WiFi is extremely slow!!! Help me fix

I have tried so many things to get my WiFi to run faster than what it is now, It's physically making me impatient. I have done a internet speedtest from the mac and the results are -

Ping - 51ms

Download speed - 0.09mbps

Upload speed - 0.49mbps

I even made a youtube video on what is actually happening.

http://www.youtube.com/watch?v=tjd5k817hn4

What I don't understand is, Why is my macs WiFi so terrible? It's fully connected to the internet.

I have updated the mac and it didn't seem to change in its perfomance.

The iMac is new and it runs everything nice, just the internet is slow as anything.

Now, Let me compare the results to my pc.

Ping - 50ms

Download speed - 3.66 mb/s

Upload speed - 0.778 mb/s

And now my ipad -

Download speed 3.21 mb/s

Upload speed 0.686 mb/s

All these tests were done when there was only ONE device connected to the internet.

Please, Help me fix my problem! I can't even load apples website without waiting 20 minutes!

iMac, OS X Mountain Lion (10.8.2), WiFi Problem help me!

Posted on Dec 27, 2012 12:01 PM

32 replies

May 15, 2013 3:42 PM in response to StanCooper

Hi Friends,

I'm writing from Spain, I'm sorry if my english is not very fine . It was the first time I had an apple and I was a little worried since the wireless in my imac was very very full . I have other computers Linux and windows 7 in the same room with a speed between 10-12 Mbps while my mac only was getting between 1 - 3 mbps. I have been doing a lot of test today, changing things in my router.

1. At the moment I changed WPA-PKT for WPA2-PKT , I got a speed between 4 - 5 Mbps but not the best

2. then , I changed the port from 11 to 8 and TACHAN!!!!! the speed increased between 10-12 Mbps

Summarizing: Changing to WPA2-PKT and the port to 8 (it is true that the port is random , I don't know why in my case it is 8 and not 9 or 11, you must check with another one if 11 and 8 are not working) my Imac via wireless is working very GREAT!!!.

Thanks a lot, it was very very useful for me.

Sep 6, 2013 2:46 PM in response to Fran Martinez

Had the same issue iMac new out of the box 7 days ago, none to 0.4 mbps, thought well thats that was going to take it back tomorrow, at my wits end, changed the channel on my bt hub 3 to channel 8 now running at 37.8mbps, happy days, cheers guys, looks like the macs staying!!

My iMac WiFi is extremely slow!!! Help me fix