arttuk

Q: Can't connect to 5 GHz wireless N network

I recently bought a Cisco Linksys E4200 wireless dual band router. I have a Mid 2011 Mac Mini, running OS X Lion 10.7.2. I can see and connect to the 2.4 GHz network, but can't even see the 5 GHz network. Is the Mac Mini supposed to support Wireless N at 5 GHz? I also have an Early 2008 MacBook Pro (OS X 10.7.2), that has the same problem.

 

My girlfriend's phone can connect to the 5 GHz network (which has a different SSID), so I suspect that the problem is with the computers and not the router. The router is in plain sight in the same room as the computers, and is configured to Wireless N only at both 2.4 and 5 GHz. I also tried Wireless A and Mixed at 5 GHz, but the problem remained. Channel settings are automatic.

 

Any insight?

Mac mini, Mac OS X (10.7.2), Mid 2011, 2.5 GHz i5

Posted on Jan 1, 2012 6:41 AM

Close

Q: Can't connect to 5 GHz wireless N network

  • All replies
  • Helpful answers

Previous Page 2
  • by NicOnlyOne,

    NicOnlyOne NicOnlyOne Dec 27, 2014 4:30 PM in response to arttuk
    Level 1 (0 points)
    Dec 27, 2014 4:30 PM in response to arttuk

    I'va a mac mini late 2014 and taking a look at supported channel I see

    Supported Channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 56, 60, 64, 100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144, 149, 153, 157, 161, 165

     

    I'm missing channels: 36, 40, 44, 48.... that are EXACTLY the one provided on 5ghz by my Belkin N750 DB N+ router.

    Is is normal?

     

    btw my old macbook aluminium late 2008 had those channel.

  • by iverson2k10,

    iverson2k10 iverson2k10 Jan 6, 2015 1:04 PM in response to NicOnlyOne
    Level 1 (0 points)
    Jan 6, 2015 1:04 PM in response to NicOnlyOne

    Well I ran through all the posts in order to connect to the 5Ghz issue and nothing work. Here is what I did in order to have a late Mac mini(2007 with Lion) logon wirelessly. First thing is to remove and forget the network in is entirely, then when you see your 5ghz SSID display under new networks select it then the error will occur. Here is what I did in order to get this working. I disabled the SSID for the 2.4ghz because I'm using the same name) then I enable the WiFi password to use none. Once that was completed the Mac mini was able to connect to the 5Ghz SSID and with that  I verified that there was a bug somewhere because I could now confirm the MAC mini can use the 5Ghz. The next step was I left the Mac Mini connected and log onto my access point and re-enable the WPA/2 encryprtion so that it is password protected, and as the Mac Mini disconnected I attempted to relog (this time with a password) and it work perfectly. And last but not least I enabled my 2.4Ghz and now all my devices are connected with 5Ghz and when they're out of range they connect to the 2.4ghz band

  • by izyoka,

    izyoka izyoka May 7, 2015 8:45 AM in response to justathome
    Level 1 (0 points)
    May 7, 2015 8:45 AM in response to justathome

    Thanks a lot man! It helped.:)

  • by Juicyberry,

    Juicyberry Juicyberry Oct 2, 2015 8:30 PM in response to arttuk
    Level 1 (0 points)
    Oct 2, 2015 8:30 PM in response to arttuk

    Hello All,

     

    Just had a problem with my older Macbook Air being unable to connect to the 5GHz network. "Invalid password" error.

     

    The fix turned out to be:

     

    - I removed the space in my WiFi SSID, so the SSID was all 1 word.
    - Changed the broadcasting channel to a set value rather than automatic.

     

    Hopefully this helps if some of the other fixes don't work!

  • by ruimgp,

    ruimgp ruimgp Nov 13, 2015 1:04 PM in response to Jirka Dytrt
    Level 1 (0 points)
    Nov 13, 2015 1:04 PM in response to Jirka Dytrt

    This help!

     

    Thanks

  • by Gregor29,

    Gregor29 Gregor29 Jan 15, 2016 11:59 AM in response to arttuk
    Level 1 (0 points)
    Jan 15, 2016 11:59 AM in response to arttuk

    I had difficulty with my iPad2 seeing the 5Ghz signal on a Netgear dual band modem/router (model DGND3700).  After reading this help link figured out that these settings will work:

     

    Wireless network 5Ghz a/n

    Name (SSID):     YourWifiName

    Channel:               157               (channel 36,44 & 149 did not work)

    Mode:               up to 300Mbps

     

    *works with or without enabling SSID

     

    Security     WPA2-PSK          (8-32 characters or 64 hex digits)

  • by DilFromSapporo,

    DilFromSapporo DilFromSapporo Feb 4, 2016 2:24 AM in response to arttuk
    Level 1 (0 points)
    Feb 4, 2016 2:24 AM in response to arttuk

    I had this problem too and found this post. I don't know if those complicated solutions worked for someone but for me the simplest way to fix the problem was to go to my WiFi router settings (usually via internet by typing the IP address 192...) and change the 5G channel name. And voila!

  • by eobet,

    eobet eobet Apr 3, 2016 9:56 AM in response to castroneves
    Level 1 (13 points)
    Mac OS X
    Apr 3, 2016 9:56 AM in response to castroneves

    Had to set to channel 48 manually on my router as well, due to a brand new Mac Mini refusing to connect.

     

    Apple - "it just works" was a long, long time ago.

  • by Daneurl,

    Daneurl Daneurl Jun 26, 2016 3:57 AM in response to justathome
    Level 1 (4 points)
    Desktops
    Jun 26, 2016 3:57 AM in response to justathome

    I had the same problem as the OP and my imac did not detect my 5GHZ network. I switched from automatic channel settings to a dedicated one, channel 48 (I've no idea if that's good or not!) that is supported in my imac network settings. When I had the setting on auto selection for the channels most of them were not supported for my imac. Thanks for the solution.

Previous Page 2