Time for a service call with your service provider If you don't then it is the router/modem.If you have an iPhone or another computer or a tablet, check to see if you have connectivity when your computer's connection drops. How can we tell if it is a Wi-Fi issue with either the router/modem or with your iMac? It could still be either your computer or the router/modem, but we will know what is working and what is not. If you no longer have drops in service, we will know that you have an issue with Wi-Fi. One other thing you can try is connecting an Ethernet cable directly to the router/modem and disabling your Wi-Fi. If it fails now, then your Internet is not working and that will require a service call to your provider. Ping -c 5 4.4.4.4 <- If you can't hit this, your connection to the internet is failing Enter the following in Terminal: ping -c 5 <- This should work, but if DNS is failing, try the next line If it's working, trying pinging Google or one of the public DNS Servers. If not, then there is a problem with either your Wi-Fi adapter or with your modem/router iteself If it's successful, then your network is working. If it fails, it will look like the bottom half with the "Request timeout" error You should see results that look like (the top half) of the picture below. In Terminal, type the following command: ping -c 5 If your Wi-Fi drops, first it will appear disconnected (red or yellow dot) like mine is in the picture. In this case, my router's IP is 192.168.10.1 (I am using Ethernet here, but it is exactly the same for Wi-Fi) Under Settings -> Network, you will see your IP and Router. Get your IP address and the IP address of your router. For instance, you would still be able to print a document or stream music to your entertainment console from your iTunes library on your computer.įirst, let's determine if it is your Wi-Fi or your Internet. If the connection between the Cable Modem and the Internet dropped, you would still be able to communicate with all the other devices on the the network itself. (The cable modem used here can also be a DSL router, a fiber connection, or any other high speed connection, this explanation isn't limited to cable modems) If your Internet drops, you only lose connection to the outside world, your internal network is still good.īelow is a general picture of a home network with Intenet. If your Wi-Fi drops, you lose connectivity to everything on your network. Wi-Fi dropping and losing Internet connection are two totally separate things. Deleted the AirPort plist files (fix above) and WiFi has been stable.Rebooted and Disk Utility found no errors.Ran Disk Utility repair again and no errors were detected (then I ran it again for good measure).Reboot in Recovery Mode, use Disk Utility, some errors corrected then return value 8 and was told I had to backup, format, and restore to the drive.Disabled FileVault, waited for decryption to complete.Reboot in Recovery Mode (press Cmd+R as boot sound, hold until you see the Apple logo), use Disk Utility, however no errors were detected.In my case errors were found, and I had to.Disk Utility to verify/correct permissions.Kext Utility to reset kext permissions, followed by.Disabled AirDrop by using Terminal to run sudo ifconfig awdl0 down.
2015 macbook pro 13 inch update#
Press Cmd+Shft+G to go to the folder /Library/Preferences/SystemConfiguration/.Many, many things were tried before I got it to stay connected to WiFi reliably, however deleting the networking PLIST files seems to be what finally did it. I was having a similiar issue with 10.10.3 which was not corrected when I updated to 10.10.4.
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