Wifi and Yosemite

JKD

JKD

JKD

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Joined
27 Jun 2004
Posts
1,416
Thanks in advance for any advice here. I have a 2015 13" rMBP running the latest OK with all updates installed. It will connect perfectly to all wireless networks, however frustratingly it appears to have some kind of DNS issue.

After a period of inactivity, say I'm editing photos for 20 mins, I go back to any of the three browsers I have installed on this machine to surf.

They all take an absolute age to connect to whichever website I'm looking for. I'm talking about 30 seconds to a minute. Wireless is still connected, I still have an IP address (DHCP) etc. This is why I'm thinking it's some weird DNS issue.

I'm on BT Broadband, and tried with both the Home Hub 5 and TP Link TD-W9980. Same behaviour on both.

Issue persists even if I set the DNS servers manually on the rMBP (to google's servers, BT servers, whatever). My iMac works fine wirelessly with the exact same operating system installed.

It's not a hardware issue, as when I run win 8.1 in bootcamp it's an instant connection. Getting thoroughly sick of it if I'm honest.
 
You on OS X 10.10.4 yet? Apple belatedly binned discovered which was a bag of **** and reinstated mDNSresponder which had been in OS X for many years previously and worked just fine. Fixed those issues for me.
 
Yep, 10.10.4 and mDNSresponder all in place. Still pants. I would have thought it was something to do with BT Infinity and my router settings - but the Macbook is the only machine affected by this.

Although, bizarrely it's behaved itself all evening.
 
Rizo-UK said:
Same hardware here and yes same issue until the last update. I also had the issue of no access after waking from sleep for 30secs. all sorted now.
Click to expand...

Now that's interesting, I get a black screen, just see the mouse cursor for a good few seconds sometimes. Is that what you had, and what did you do to solve it? As far as I can tell I'm completely updated OS wise.
 
I think I know your problem , a friend at work had this. IIRC its something to do with WIFI using 2 different spectrums and the lower frequency one gets interrupted by USB 3 or something.

Short answer is make sure your router uses the 5Ghz frequency ... A bit vague I know but I was only half listening to him. Try the 5 GHZ option and see how you get on if not I'll send him a link to this thread.
 
Jimbeam3678 said:
I think I know your problem , a friend at work had this. IIRC its something to do with WIFI using 2 different spectrums and the lower frequency one gets interrupted by USB 3 or something.

Short answer is make sure your router uses the 5Ghz frequency ... A bit vague I know but I was only half listening to him. Try the 5 GHZ option and see how you get on if not I'll send him a link to this thread.
Click to expand...

Will do. I'll set that now and give it a go. Thanks for the suggestion.
 
Hmm, well I thought it had fixed it, sadly not. Very annoying bug - I'm actually considering swapping to get a Dell XPS 13 instead as this is getting on my wires now.

Still working on it...
 
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