Q: Updated from SL to Mavericks - wifi killed

Hello everyone.

I upgraded from Snow Leopard to Mavericks. Wifi stopped working. Configuration shows no IP address for the router, nor DNS. I also have a MBP, and checked the config of both machines. That's the only difference.

Since before upgrade wifi worked perfectly, and since in the MBP upgrading from Lion to Mavericks also worked OK, I am annoyed and confused. I have tried everything I found around in the net: reseting PRAM, disabling wifi, deleting config files, deleting and recreating wifi connections, locations, setting IP's and DNS by hand, reseting the router... To no avail. It just seems the mac rejects to talk to the router to self configure, but since the hardware is the same as was before the upgrade, the only thing I see is Mavericks has something wrong...

Anyone has some idea? Thanks in advance

iMac, OS X Mavericks (10.9.5)

Posted on Oct 10, 2014 4:19 PM

I have this question too

Q: Updated from SL to Mavericks - wifi killed

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by den.thed,Helpful

den.thed Oct 10, 2014 4:23 PM in response to Miguel_Annoyed
Level 7 (27,765 points)

Oct 10, 2014 4:23 PM in response to Miguel_Annoyed

For starters, use > Wi-Fi: How to troubleshoot Wi-Fi connectivity to troubleshoot the problem.
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by Miguel_Annoyed,

Miguel_Annoyed Oct 12, 2014 12:24 PM in response to den.thed
Level 1 (0 points)

Oct 12, 2014 12:24 PM in response to den.thed

Thanks a lot, den.thed. I didn't find this checklist in my previous search.
Anyway, being so confused with the issue and not feeling like checking settings with my ISP (among other things), I followed my guts (which told me that the problem was related to the upgrade and what my SL installation might have) I went the long boring way: I wiped out the HD and reinstalled everything from scratch. It worked. I don't know what was wrong, but now Mavericks and wifi both work perfectly, so I guess I cannot blame Mavericks... who knows, maybe I did something wrong the first time and clean install solved it.
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by den.thed,

den.thed Oct 12, 2014 12:34 PM in response to Miguel_Annoyed
Level 7 (27,765 points)

Oct 12, 2014 12:34 PM in response to Miguel_Annoyed

You are welcome!

Sorry that you had to take the long way around, but glad to hear that all is now well.
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Q: Updated from SL to Mavericks - wifi killed

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by den.thed,★Helpful

by Miguel_Annoyed,

by den.thed,

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by den.thed,Helpful