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The Wifi network "" Could Not Be Joined

Hi, I started a new job today and as I was trying to connect to the Wifi network it told me my macbook air could not join. However, my iphone joined no problem. I ran the diagnostic test and i got a folder full of files. I tried restarting my computer and nothing worked. Do you guys know what the problem is? I don't know the brand of the router but I'm pretty sure it's more of a home based one than a professional one because it's a small job. Anyway, let me know which files i should upload to fix this problem. It's the first time it has ever happened on this mac and i'm confused. BTW it's a 2012 air running Mavericks. Thank you all

Oh, and unlike the other problems with Wifi on this board, my air doesn't even give me a chance to input the password, it simply states that "The WiFi Network "" Could Not Be Joined."

So I am not having a problem with it disconnecting after a few minutes because it doesn't let me connect at all. Thank you.

Welcome to Apple Discussions

Have you tried resetting the SMC (you may have to do this more than once - I would not go past trying it 3X)

There are some routers types and settings that do not play well with Mavericks. I do not have a list of them

The files & settings would be on the router. You would need a LAN connection to that (many routers do not allow wireless  management for security reasons, and your wireless can't access it anyway) and the password.

It would be helpful if you could identify the Router and it's firmware version.

Hey man, I tried resetting the SMC 3 times and it didn't help. Unfortunately I still haven't been able to get access to the router for whatever reason. In the case that this router doesn't work with mavericks, what should I do? Thank you do much

So I went on a computer that was already connected, I typed in the 192.168.x.x address and it gave me a login prompt for the DLink DIR-330. so it's a good chance that this is the router they're using. any information on it? thanks

Sorry no - I do not have any information other than You can check the firmware and see if D-Link has a newer version that the owner never installed.

From the management screen you can try different channels, MTU and other things that you read about on the other wireless threads.

Seems you have three options - get a new router (if you can not make changes to the old one) and you have tried some of the other possible solutions (it says Lion but it has reportedly worked in Mavericks). Contact Apple directly (we are volunteers we do not work for Apple) use a different computer.

Here's some more things to try:

Message was edited by: themachead

Hi there, I'm not sure if you still have this problem but I just had it and managed to fix it (despite being relatively tech-inept).

Go to your System Preferences> click on your regular network where it says Network Name and then click 'Advanced...' in the bottom right> Click on the TCP/IP header> and then where it says Configure IPv4, make sure it says "Using DHCP"> then click "Renew DHCP Lease"

Once I did this, my IPv4 address, subnet mask and router number was all filled in & the internet was working again!

I had also changed the location of my Wi-Fi prior in another ill-fated attempt to resolve the issue, so if this hasn't worked for you, I would suggest the location bit also.

Interesting. I have three minis, one MBP in the office running Mavericks. The MBP can connect to the 330 just fine. The minis give this same error message. Then one day, ONE mavericks mini could connect. I didn't do anything to it. The other two still give the same cannot connect error. Completely baffled.

Found this thread - hits the nail on the head for me.  New Macbook Pro purchased last week, I can connect to a variety of networks but have encountered problems with the D Link DIR-330.  I am an IT guy and have access to the DIR-330 management console.  Router firmware is last updated in 2008, but upgrade attemps (despite a 2013 release) repeatedly fail.

I am thinking I am going to add a downstream Wireless network - served from a Linksys product - to solve.  Or maybe I will try the firmware update via another browser, just in Chrome is getting in the way.

I'm having the same issue. I have a 13 macbook retina from early 2014. There's been no problem joining our zyxel router for 5 months. But recently, once in a while, it decides that it "could not" join the network. I've tried the things that are mentioned in this thread. Just as the problem begins without any apparant reason, it seems to resolve itself not because of anything I do, but for no specific reason at all that I can tell. Very annoying. Did anyone find a solution yet?

I was having the same problem. As it was wifi at university I did not have access to the router settings. I followed your steps but at first it did not work. However, after deleting the network from the saved network list and then clicking on renew DHCP license, it worked! Thanks

Hey guys. I had similar problem in OS Yosemite.

I managed to fix it it.

Here is what I did.

System preferences -->network-->Assist me--> A screen with multiple options will appear, asking "How do I connect  to the internet", click on the first one," I use Airport to connect to the internet Wirelessly, and click continue. And follow through.

This is an OLD question, but I had the problem myself with a new Mac Book Pro, El Capitan 10.11.6 against a Cisco Enterprise router.

The solution for me was to:

1. Click the wifi icon at the top.
2. Click Open Network Preferences.
   
   (Alternatively, you can click the Apple Logo in the upper left, Click System Preferences, then Network)
   
   
3. Click Advanced (at the bottom).
4. If you see the network you are trying to join in "Preferred Networks"... click it and at the bottom click the "-" symbol to remove the network (the iPhone equivalent of "Forget this network").
5. Try again to connect.

This situation arose because I tried to connect to the network when setting up my new machine, but it didn't allow me to enter the "identity" field which is required.  Apparently it remembered the network even though it never connected... and gave it the incomplete authentication information and was kicked out.  Forgetting the network is what was needed so it could properly use EAP-PEAP (MSCHAPv2) authentication.  I suspect it may do the same if you incorrectly enter the password field during start up and later skip that step in frustration.

I am having the same problem.

Yesterday I upgraded from El Capitan to macOS sierra.

When I'm trying to connect to my home router it shows me "The wifi network could not be joined" but when I go to my college and try to connect to wifi it gets connected and also working fine too. so why this is so? I mean why it gets connected to my college wifi and not to my home wifi.

My Home router is Netgear Genie and I set Channel to Auto.

I am new to mac and just switched from PC to MAC, knows little bit about mac.

Thank you in advance.

最后更新：2017-09-26 15:43:17

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