Macbook Pro doesn't like new wifi router
Discussion
Upgraded to FttC Fibre from PlusNet a couple of weeks ago, which entailed a new router. I have multiple devices attached via wifi - phones, ipad, other laptops, Apple TV, Chromecast, printer, Sky, etc - with no issues, but my MBP really doesn't like it.
It's about 4 years old running the latest version of El Capitan. In the past, whenever I logged on, the wireless was instantly connected. Now, however, I have to keep clicking the wifi icon and selecting the network, over and over. It throws a variety of errors, asks for password repeatedly, says "could not join", etc etc. It does eventually connect, sometimes after 10 or more attempts, and then once connected, provided you keep it awake, there are no further issues. Until next time...
It only has one known network stored in the machine (since I recreated the wifi profile, see below).
I also have a MacBook Air, provided by work, which runs Yosemite 10.10.5. That connects fine, first time every time, instant, like the MBP used to. This issue has coincided with the new router, not with moving to El Capitan, I upgraded to that months ago.
I found something on the web which instructed to delete/move 5 files from the /SystemConfiguration/ folder then carry out various other steps, essentially recreating the wifi profile. Did this but if anything it was worse after, so I put it all back as-was.
I might power up the old router, despite it not having an ADSL connection any more, just to see whether the laptop is happy to connect to that network.
Seriously wondering whether to downgrade back to Yosemite, but as I say, it was working fine before. Any suggestions how to cure please? Driving me mad!
It's about 4 years old running the latest version of El Capitan. In the past, whenever I logged on, the wireless was instantly connected. Now, however, I have to keep clicking the wifi icon and selecting the network, over and over. It throws a variety of errors, asks for password repeatedly, says "could not join", etc etc. It does eventually connect, sometimes after 10 or more attempts, and then once connected, provided you keep it awake, there are no further issues. Until next time...
It only has one known network stored in the machine (since I recreated the wifi profile, see below).
I also have a MacBook Air, provided by work, which runs Yosemite 10.10.5. That connects fine, first time every time, instant, like the MBP used to. This issue has coincided with the new router, not with moving to El Capitan, I upgraded to that months ago.
I found something on the web which instructed to delete/move 5 files from the /SystemConfiguration/ folder then carry out various other steps, essentially recreating the wifi profile. Did this but if anything it was worse after, so I put it all back as-was.
I might power up the old router, despite it not having an ADSL connection any more, just to see whether the laptop is happy to connect to that network.
Seriously wondering whether to downgrade back to Yosemite, but as I say, it was working fine before. Any suggestions how to cure please? Driving me mad!
I may have sorted it. First I saw that it kept continuing, and getting an IP address very briefly, then dropping out and trying again. The IPv6 comment above had me hunting; was going to try manually configuring the IPv4 and 6 settings, so I went to the router admin panel for info, and disabled the 5GHz option and the MBP has been happily connecting first time ever since. I didn't instantly see an option for creating 2 separate SSIDs but will check that - for now, it's working, thanks.
ETA - re comments above and below, thanks, I somehow missed those first time I read the replies! Thanks all for the input.
ETA - re comments above and below, thanks, I somehow missed those first time I read the replies! Thanks all for the input.
Edited by CAPP0 on Wednesday 29th June 06:59
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