Aug 05

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Fixed slow WIFI issue with new Macbook Pro

I just bought a new Macbook Pro

As I started playing with it, I noticed that all my software updates and downloads were taking a long time to finish.  I am paying for a 12 mbps high-speed internet connection with AT&T Uverse, but a speed test (www.speedtest.net) proved that I was only getting up to 4 mbps.

I did the same test on my iPhone and it yielded 10 mbps.

I did the same test on my PC and it yielded the max speed, 12 mbps.

Long story short, I fixed it by changing the Wifi Channel from 1 to 6.

If you are experiencing the same issue, you have to log into your router and change it as well.

First, you need to find the IP of your router.  Open Network Preferences

Click Advanced and click on the TCP/IP tab

Keep Note of the Router IP.  In my case, it is

The next step will vary from router to router.

You will have to log into your router and change the Wifi settings.

Open up a browser and enter in http://<IP of your router>.  In my case, I would enter

In most cases you will have to log in with a username and password.  You should know this, but in case you don’t, try admin/admin, or just admin with no password.  If you are an AT&T customer, the password should be the same as the network code on the label.


Scroll down and find the Wireless link.  If you don’t see this, look for an option to configure your wireless settings.

Once you are there, change the wireless channel from ‘Auto’ to something else.  I selected 6 and it worked for me.


Good luck!

Permanent link to this article: http://www.s0hel.com/blog/401/fixed-slow-wifi-issue-with-new-macbook-pro/


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  1. DanielES&CL

    Worked! Thank U SOO MUCH! / Funciona

  2. Jarcher

    LIFE SAVER! thank you!

  3. iya

    Pls help dnt knw my password what to do nw thnks

    1. TLR

      Typically the password is on a sticker on your wifi router. Otherwise check your paperwork for your supplier.

  4. Cr

    TNXXXXXXX alot.worked

  5. karan

    Seems to be working. thank you.

  6. Rob

    Thanks! Out of all of the fixit sites I used before finding this, this was by far the most helpful.

  7. Autumn

    So… I might just simply not understand computer stuff… but If I’m going to try this with our office’s router.. will it effect the other 4 computers using the wifi or will they not notice a difference?

  8. David

    Thanks, seems to work for me as well.

  9. nhien

    I m in Vietnam so we do not use AT&T,may you advise what should i do to help my wifi connection be faster. It is very slow now …
    Thank you

  10. Hiske

    Thank you so much!

    I experienced the same problems with my (very new) rMBP (15′).
    When tested on speedtest.net it would have a speed of about 7mbps. Now it has 12mbps!

    Very helpful tip.

  11. Hiske

    sorry, did I say 12mbps? I just tested it for the second time after changing to channel 6. It went up to 23mbps!

  12. anastasia

    After I enter the router, the message is Safari can’t connect to the server 192….

    why? pls help

    1. Mike

      i had a similar issue, but realized that the page for my router (a Comcast one), when i finally found the wireless page to edit it, it changed the name of my network back to the default. log back on to your wifi network (it will probably show up as “admin” in the SSID), use the default password, and then log back in to the router. go back to that same page, and just change the SSID back to whatever you had it as before it kicked you off the network. should be up and running again. :)

      btw, this tip with changing the wireless channel from auto to a manual one fixed my speed issue. was getting around 25Mbps on my iPhone using speediest.net, but was only getting around 4Mbps on my MacBook Pro. just ran a test after switching the wireless channel setting and i’m up to around 25Mbps on the MBP now too. thanks!!

  13. Shelley

    Thank you! This has been driving me crazy. Changed that channel and now my macbook pro gets similar download speeds to my dell and all my wifi devices!

  14. Idan

    Worked! Thank You!!

  15. Lina

    Thank you so much for sharing your knowledge, after many months of frustrating internet it’s working faster than ever before!

  16. Binish

    I had the same problem, instead of slow wifi, my wifi stopped working altogether when I connected my MBP to an external display (via TB). Changing wifi channel to 12 (2.467 GHz) did the trick for me, now wifi working like a charm! Thanks much!

  17. lapo

    genius. really thanks. don’t know why but it works.

  18. Tom

    worked like a charm, thank you!

  19. Kam

    My MBA internet was running very slow on WiFi, but it was running expected internet speed when used with ethernet-thunderbolt. My other PC was running WiFi at the expected speed.

    I got my MBA internet running at expected WiFi speed after logging onto my router and changing the mode from “802.11 g/n” to “802.11 b/g/n”.

    It is running WiFi like before as usual.

    Thank you.

  20. Randy

    Will this affect other wi-fi devices in the house, such as, DirecTV and Netflix?

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  22. Sam S

    If changing it to 6 doesnt work for you, try changing the channel to 1 or 11. That finally did the trick for me.

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  24. Stephanie

    Worked like a charm! Thank YOU so much. I have tried everything and this worked immediately.

  25. lacyzdtv.buzznet.com

    I was suggested this web site by my cousin. I am not sure whether this
    post is written by him as nobody else know such detailed about my problem.
    You are amazing! Thanks!

  26. Kenny

    I have been messing with Flash options and DNS settings, but then I took my macbook to my friends house and realized it was working fine which led me to believe it was my network settings. I fixed it. THANK YOU!!!

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  28. Alex

    Thanks!!!!!!!! Worked for me! 29 Mbps on channel 6 instead of 3 Mbps on “Auto” channel

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  32. Rob

    Incredible. I live in the mountains and have no interference from neighbours WIFI. This post makes sense if you live in the city or have lots of interference on a specific channel. Cisco device have clean air which scans and checks for availability. Apple obviously don’t have this option with their kit.

    I changed this and it completely solved all WIFI problems. Amazing. Thanks… I’ve been pulling my hair out of this for some time..

    Looks to me like an Apple bug!!! Lets hope they fix it soon.

  33. Mark Laing

    Great help, thanks!

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  36. Queen

    Oh my gosh I’ve been struggling for months. Thank you soo much for sharing this info. Much appreciated.

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  39. Sydney

    You are a benefactor to humankind. I’ve tried every single fix for this on the web for MONTHS and this saved my life and my sanity. Hope Apple sorts this out soon, in the meantime, millions of karma points to you!

  40. Nelson

    WOW! You have opened the door to a whole new world of speed! I tried changing the channel from AUTO to 6. It increased 10 fold. I then tried every other channel. Some were slower, some faster. In the end, I found channel 2 to be the fastest – I’m getting 49mbps on a 50mpbs plan with xfinity!!! I’m so grateful for this post. THANKS!

  41. ProRetinaWifiHorrorHaunted

    Worked for me.

  42. Riddlywalker

    you are the God of scabby cheap routers, they bow down before your power.

    1. julien

      Hahahah loool nice one !

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  44. juan

    I had the same problem but only using my macbook pro retinal display (my iPhones, iPAd and apple TV had no problems connecting). ATT u-verse service and wifi modem-router. I changed the channel to 6 and I have experienced a significant improvement on my macbook pro with connection dropping only once in 24 hours. Thanks a lot for the advice.

  45. julien


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  47. John

    Thanks dude! It works!

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  49. Yann

    Brave man! You saved my life. Well spotted. Thank you!

  50. Guy

    Thanks for that, it really helped… but just as a matter of reference I also found that switching the router to b/g and no N, solved the problem too… I noticed no difference in performance over the internet, in fact it seemed faster. Of course it could slow things down if you transfer a lot of data over your internal network.

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