# localhost is used to configure the loopback interface Open that file and compare your results to this: # That will show you the Hosts file in the new window. In Finder use the Go- go to folder and paste following /private/etc/hosts Add Google DNS to it as 8.8.8.8, delete others (like this one DNSNameServer 194.168.8.100). Your DNS server is having problems.- Open Syst Pref- Network - DNS. In Application folder find and open Font Book app. So, we have following to fix: Not all of it is your WiFi problem related. (even if it is very short one), the more info the better. Thanks.įinally I go to taking a look at your log. This is severely affecting my work as a freelancer and my morale. I have uploaded it to Github for you to look at. I monitored my WiFi connection so I knew when it dropped and checked the console log. While not abnormal for debuggers, this increases system memory footprint until the target exits. 23:31:31.072 CoreServicesUIAgent: unexpected message 23:31:21.066 : Terminating in response to shutdown notification 23:31:03.337 matt: Unable to resolve hostname(s) 23:30:42.304 : (.remoteservice) Service exited due to signal: Killed: 9 23:30:42.181 WindowServer: WSGetSurfaceInWindow : Invalid surface 753037142 for window 141 23:30:35.416 .remoteservice: Failed to connect (worldMap) outlet from (GEOCityPickerViewPrivController) to (GEOWorldTimeZoneView): missing setter or instance variable 23:30:33.191 : () Unknown key for Boolean: ForceEnableHack 23:30:31.117 discoveryd: Basic DNSResolver Re-Binding to random udp port 50861 23:30:08.000 kernel: SerialATAPI device reconfiguration did not complete successfully. 23:30:00.000 kernel: Sandbox: fontworker(849) deny file-read-data /Library/Fonts/Summit_OpenType/SummitBold-InlineOne.otf Please switch to XPC or bootstrap_check_in(): 23:29:58.329 : () Endpoint has been activated through legacy launch(3) APIs. ** Log ** 23:29:22.298 discoveryd: Basic DNSResolver UDNS Send(): UDP Sendto() failed to DNSNameServer 194.168.8.100 Port 53 errno 65, fd 56, ErrLogCount 50 ResolverIntf:5 Took to Apple Genius who said it was 100% not a hardware isse as this would be picked up in diagnostics.Called Apple support who talked me through deleting lots of different preference files.I have to restart once or even a few times before this is fixed. Sometimes, when I boot back up, clicking on the WiFi icon shows a message stating 'No hardware detected'. When the WiFi dies, the signal icon shows a full strength connection and in 'System Preferences > Network' the button says 'Turn WiFi off' as though it hasn't realised yet. When the WiFi dies, the only (temporary) solution is to 'forget' the network, make WiFi service inactive and then remove the service altogether, before rebooting and re-activating it. Within a period of time – normally ranging from a few minutes to an hour – I will try to load a web page and see its loading status say 'resolving host' (Chrome v43). I'll be connected to any given WiFi connection (indicating this is not a router or channel problem) and everything will work fine. I am now running Yosemite 10.10.3 but the problem persists. The Apple 'Genius' then said the WiFi was "probably" dropping because I was running Mountain Lion and Yosemite had lots of connectivity updates. This is why I am posting this despite there being many similar questions, as all of them were resolved by replacing the hardware. I have taken my late 2011 MacBook Pro to the 'Genius Bar' and they said that this was NOT a hardware issue as they ran the diagnostic and found no problems.
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