When your Mac is rebooted, return to System Preferences and Network and re-select “Make Service Active”. Open the options for configuration and now select “Make Service Inactive”, before restarting your Mac. To do this, go to System Preferences > Network. One last method is to resolve WiFi problems is to reset the network service. Afterward, login and check your WiFi connection. To restart the Mac in Safe mode, shut off your Mac, restart your Mac and instantly hold on the Shift key until you notice the login window. Rename the file, enter this command sudo mv /etc/nf /etc/ and restart your computer.Īnother method is to restart the Mac in Safe Mode.This means your computer has an old configuration file.
If your search returns: “ -rw-r–r– 1 root wheel 136 /etc/nf“. If your search returns with a result of “No such file or directory”, this indicates that your Wi-Fi issue is caused by some other things. Go to Applications > Utilities > Terminal. If it does not, there are a other things you can try.Ī potential problem for WiFi connectivity is whether or not your Mac has an outdated system configuration file. Ideally, NVRAM and SMC resets should eliminate the problem. 
Release the Power button, reconnect the power cable and reboot the Mac. Press and hold the Power button for five seconds. 
Shut down you Mac and disconnect it from its power cable. To reset SMC for iMac, MacPro, and MacMini: Connect the battery again and reboot normally. Press and hold the Power button for five seconds, then release. Shut down your Mac and remove the battery. Simultaneously press and hold Shift, Control, Option, and Power buttons, and startup your Mac as usual.įor MacBook models with removable batteries:. Connect the computer to the MagSafe power adapter. Resetting SMC differs between different types of Mac models.įor MacBook models with non-removable batteries, reset the SMC with these steps: SMC manages power, such as power button presses, thermal monitoring and fan control, status lights, and other functions. If it still gives the same error message, it is time to reset SMC. When your Mac finishes rebooting, check the status of the WiFi icon. Hold these keys until you notice the sound of rebooting for second time. Immediately after you hear the startup sound, press Option, Command, P, and R. To reset NVRAM follow these steps: Shut down your Mac, then turn it on. Resetting NVRAM is likely to fix some Mac glitches. NVRAM (Non-Volatile Random Access Memory) is a small memory that stores certain Mac settings that help your computer boot up, like volume, display resolution, and startup disk selection. Resetting the NVRAM and SMC are a part of the easy repair repertoire for Mac problems.
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