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Some OS X Yosemite Users Plagued With Wi-Fi Connection Issues

I work at an Apple reseller, have seen quite a few people with this issue.
Fix every time has been to simply delete Safari browsing data and delete the Wifi profile from system prefs then create a new one.
 
mordac said:
The workaround for the first problem seems to be to pick either 802.11n *or* 802.11ac - i.e. don't mix APs that only do 802.11n with ones that do both 802.11n and 802.11ac on the same SSID (at least, not in the same building).
Click to expand...

So it seems I'm not alone. In my workaround I was able to mix the two APs by only using 802.11n at 2.4GHz in the "n-only" one.
 
Not experiencing the problem but does anyone who clean installed Yosemite having this problem?
 
My way to fix it:

change the channel. My mac under Yosemite wasn't able to connect to the wifi, until I change to another channel...

So try to use another channel than the first 1.
 
clean installs are usually better, but has anyone done a PRAM reset ?

Since most users do updates, then this probably always points to problems... Same with iOS too...

Users want the convenience for in-place, then wonder why it doesn't work....

ALl I gotta say,, is Apple knows what they do because everyone falls for it.. Maybe not practical do clean install, but i bet 99% of problems would go away.
 
JoEw said:
Not experiencing the problem but does anyone who clean installed Yosemite having this problem?
Click to expand...

I did a clean install on my mid-2011 MBA. Initially had Lion on it, but clean installed Mavericks, then clean installed Yosemite after that. Formatted the drive each time (time machined my Hackintosh, and used Migration Assistant to pull only my home directory and applications over).

Haven't had a problem. One thing I will note is that my router only does 802.11b or 802.11g. Nothing I have is limited to 802.11b only, so everything negotiates up to 802.11g, so using a single speed for WiFi may be the solution, until Apple comes up with a fix, if there indeed is a problem.

BL.
 
No dropping issues here

But 5ghz AC speed is truly awful when Bluetooth is enabled!

1300mbps down to 289mbps

Come on :apple:
 
Mine doesn't drop all the time but it simply refuses to connect to a 5Ghz network unless I select it. Even then it's only if it actually shows up on the list
 
So Steve is dead and Apple's running around doing updates with booby traps. All the while Tim's having a coming out party? When are these folks going to buckle down and do the software right?!
 
bradl said:
.....then clean installed Yosemite after that. Formatted the drive each time (time machined my Hackintosh, and used Migration Assistant to pull only my home directory and applications over).
Click to expand...


Yosemite works on a hackintosh ? Wow....... Apple's really crappy with their security verification at boot of OS X..

...Or people are just getting smarter.... Either of the two. Time to step it up Apple... This is 2014 after all.
 
I know you may not want to know this, but my wife's Dell laptop, running Ubuntu has NEVER had a problem using wifi, and my grandkids' Dell laptops, running Windows also exhibit no problems.

Since my Mac is only ever on ethernet, I cannot comment on Mac h/w, but many complaints about Macs, over the years, would suggest hardware rather than software is causing the angst.
 
I don't have a wifi issue, as I use ethernet; but I can't let my '12 mini go to deep sleep or it wakes up with a locked up login screen. Been that way since Yosemite beta 2. Turns out the majority of times, it doesn't lock up if you don't have anything plugged into the headphone jack. So when the login screen is locked up, the only way to get in is force shutdown with the power button, then start over. Pretty annoying. Waiting for a fix.
 
Solution - MTU

:apple: --> System Preferences --> Network

Select "Wi-Fi" in left pane
Press "Advanced..."
Select "Hardware" tab
Select "Configure: Manually"
Select "MTU: Custom"
Enter 1280 (as MTU value) - not optimal, but adequate
Press "OK"
Press "Apply"

Please let me know if this solved it for you.

BTW, the problem seems to affect only PPPoE based internet connections.
Solving similar issues for iPhones over WiFi requires changing the modem's MTU.
 
Not sure if WiFi or Safari

I don't know what is the problem, but if you haven't 'upgraded' to Yosemite, DON"T!!!! If you like waiting for web pages to load, if you like serious delays on the internet, then by all means, 'upgrade'. Otherwise, AVOID YOSEMITE!

This system is not ready for prime time. This should not have been released to the public. How did this get through testing without someone noticing that the web DID NOT WORK?
 
Ironically I noticed the issue first time when connecting my 2013 MacBook Air to my iPhone 6 via personal hotspot.

Wonder if anyone else have the same issue with personal hotspot
 
No trouble at all for me. In fact, my wifi connection is a lot better! However, I have a ton of other problems like: Messed up Safari screen and can't connect to Google docs through Safari. iOS 8.1 is where the wifi problems exist!
 
I have had a Wi-Fi issue since the very first developer beta. Except instead of dropping constantly, it just doesn't connect to the Internet after having been asleep.
 
tdale said:
That is a VERY good point. The hardware variables are very very small, Windows machines is huge, yet Apple has ongoing wifi issues. Can anyone comment here on theorn experience who accesses their wifi by way of Airport Extreme or Express?
Click to expand...

I have had zero WiFi problems and I use my time capsules as routers. Using my 2008 MacBookPro with Yosemite right now, no prob. Xfinity cable internet using a Arris TM822G Touchstone® DOCSIS 3.0 8x4 Ultra-High Speed Telephony Modem.
 
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