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All replies
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Helpful answers
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Feb 2, 2015 6:16 PM in response to Edward Traderby aWinesap,Same issue for me and I bet for all Mac Pros. I have worked on this so much and have taken the updates. Now I am going to drop back to 10.9 with great disappointment but, I can't take a computer I have to reboot 10 times a day.
Tried:
Fixed IP
Pram reset
Sram reset
Trash network preferences, etc.
Just started guest account (generic and resettable) but it would not sleep! Ugh.
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Feb 2, 2015 11:01 PM in response to aWinesapby William Kucharski,aWinesap wrote:
Same issue for me and I bet for all Mac Pros.
Absolutely zero issues waking up after sleep with my Ethernet connected Mac Pro in 10.10, 10.10.1 or 10.10.2, so no, it's not all Mac Pros and is in fact a rather small subset of them.
For those having the issues is it the fact that you do not have an IP address defined? Is your machine set up to use DHCP and it can't pull a new address?
What does Network Diagnostics have to say?
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Feb 3, 2015 12:29 AM in response to William Kucharskiby BruininkP,Hi William,
My machine has indeed DHCP set. But it already has an IP address. And because the network is not working it can not retrieve a new IP from the DHCP server if I would like to do that. And off course I tried to set a fixed IP. No difference what so ever.
My gut feeling says that a fresh install of Yosemite will probably do the job. And that maybe one of the network tools like Little Snitch interfered with the update mechanisms of Yosemite. However, it never did interfere on previous updates from Lion -> Mountain Lion -> Mavericks.
Regards,
Peter Bruinink
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Feb 4, 2015 7:45 AM in response to Edward Traderby TC!,Yosemite 10.10.2 seems to have fixed this for me as well as allowing VPN connections with a static IP address. Overall much better.
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Feb 6, 2015 3:26 PM in response to William Kucharskiby aWinesap,Hi William,
Good for you! Here is what happened in the past. After sleep, it reports that another device is using the current IPv4 address (xx.xx.xx.xx). When I go to examine the en0 via the network pref pane, it reports that that ethernet 1 has an IPv6 address and not an IPv4 address. The sense that another device is registered with he same address is at the root of the problem. It will not renew an IPv4 address from there and requires a reboot. I have not tried network diagnostics but may do so. The problem and response seem clear from the OS point of view. I just don't understand the phantom competitive device using the same address.
That said, the latest update has fixed the problem. Unfortunately, not in a constructive way. Now, it won't go to sleep at all! I don't know where to turn. if I create a clean install, can I recover applications and data from the present drive?
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Feb 9, 2015 1:57 AM in response to aWinesapby William Kucharski,Two things have fixed this on my network and for most others:
1) Upgrade to OS X 10.10.2
2) Make sure you reboot your AirPort Express/Extreme/Time Capsule, if you have them.
There was some glitch causing AirPort routers and Yosemite not to play well together at release time that has since been fixed, though it usually requires a reboot of the router as well to completely eliminate it.
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Feb 12, 2015 3:39 AM in response to William Kucharskiby Ackamarackus,For me it was 10.10.1 update that borked it! Worked fine on 10.10 and now works fine on 10.10.2 - both running DHCP. So I can say absolutely that 10.10.1 was the culprit.
Anyway, glad its now been fixed as it was **** annoying!
Edit: Seriously, **** is starred out??
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Feb 20, 2015 9:18 AM in response to Ackamarackusby cropr,Still having an issue with 10.10.2
My network printer is no longer accessible after a wake up of my Mac Mini. The strange thing is that I can still ping to the printer from my Mac mini (using the IP address of the printer). but I cannot longer print from my Mac Mini. In Safari the printer is no longer listed in the Bonjour bookmarks (before the sleep it was). Other computers can keep on using the printer without any issue
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Feb 20, 2015 1:57 PM in response to croprby aWinesap,After doing a fresh install of Yosemite and using the migration assistant, I now have the system running without the adverse behaviors. It seems the upgrade was not successful so I started from scratch.
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Feb 21, 2015 1:37 PM in response to Edward Traderby David Manin,This might help:
Fix for a Mac Disconnecting from Wi-Fi After Sleep Wake
http://osxdaily.com/2014/04/24/fix-mac-disconnect-wifi-sleep/
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Apr 14, 2015 12:18 PM in response to Edward Traderby teryl123,I had this problem too for a while. Here is how I diagnosed and solved it.
I noticed that every time my computer went to sleep the Ethernet connection dropped. When I woke up my computer after 30 - 60 seconds the Ethernet connection woke up. Wifi worked fine - didn't go to sleep.
So after getting surprisingly unhelpful support from Applecare I looked through System Preferences. I changed this setting:
in Energy Saver, Power Adapter - I checked the box next to Prevent computer from sleeping automatically when the display is off.
Now my computer doesn't go to sleep and my ethernet connection doesn't go to sleep. It appears that in Yosemite a change was made to put Ethernet connection to sleep when the computer goes to sleep.
My computer - MacBook Pro Retina 15 inches, mid 2014; Yosemite 10.3.3 (latest version).
Hope this helps.
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May 16, 2015 10:55 AM in response to teryl123by rigelsys,I had the problem after migrating to yosemite 10.10.3 ... I found selecting the "wake for network access" in Energy Saver solved the problem. Didn't have to disable "computer sleep"
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Jul 15, 2015 1:19 PM in response to Edward Traderby jbbibbo,I too am seeing this problem. None of the suggestion so far as helped. (well ... maybe the 'disable your computer from sleeping' might work but thats really not a solution). I am up to 10.10.3, 2013 Mac Pro.
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Sep 22, 2015 10:39 AM in response to Edward Traderby DATSIT,Is Timewarner your internet provider? If so it's not you MAC or your OS.
Try using your friends/family or neighbor internet that is not with Timewarner to eliminate the problem.
Got my intermittent wifi issue resolved.
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Apr 11, 2016 7:20 PM in response to mairakeoby Thongjy,My issue is the exact same as yours. Sleep overnight and next day cannot connect to Wifi.
Solution is to toggle Wifi on and off on the MacBook pro retina.
You found a solution yet?