how to reset mac wifi settings mavericks

Some older wireless routers seem not to be able to do Jumbo frames (the 1500 MTU settings). In your wireless router go back to System Preferences->Network pane and click on the 'Advanced' button, Hardware ini-tab and set your MTU settings back down from 1500 to 1453. Lastly if everything is working, throw out those files you moved to the desktop out.Ħ. Then from that pane select you Airport card and from there use that Network pane to rejoin your wireless network. If any are missing network port you can use the + button, in the Network System Preferences pane, and add the port back into your Macs Network setup. Upon the reboot go back into System Preferences->Network page and male sure all you networking devices are put back in. This reboot will rebuild fresh Preferences in that folder. Then open Finder window and go to the folder /Library/Preferences/SystemConfiguration/ and move the files .plist & ist to your desktop. Then Use the System Preferences->Network pane, Airport card to rejoin your wireless network.ĥ. Don't worry because it will act the same as 'Automatic', you just giving it a custom name. Use that to select 'EditLocations ' and in the pop-out click on the + symbol to add a new custom named Location (calling it what you like) and then saving that in the pop-out, Network main page. Staying in the System Preferences->Network pane, at the top of that pane is the 'Location' pull-down. If you get no DNS settings use either OpenDNS or Google Public DNS and put those IPS in the DNS mini-tab.Ĥ. Open System preferences->Network pane, Advanced button and click on the 'Renew DHCP Lease' and see if you get all the network settings, including the 'DNS' mini-tab.

Then turn your Airport card back on and rejoin your wireless network.ģ. Go into the application /Applications/Utilities/Keychain Access and find the entry for your non-working setting and delete it. The Mac will tell you that Finder wants to make changes. Remove it from the Preferences folder by dragging it into the Trash.Open Macintosh HD (or whatever your Mac's hard drive may be named).

Click on your Mac's icon in the Devices list in the sidebar.Click on the File menu and select New Finder Window.How to trash a bad OS X Bluetooth preferences file Turns out a wonky Bluetooth preference file was the culprit.

I had to manually reconnect it often I'd have to toggle Wi-Fi off and on again to make it work. It wouldn't reconnect to a Wi-Fi network after waking from sleep. Having trouble getting your Mac to reconnect to Wi-Fi after waking from sleep? The problem may be related to Bluetooth, and here's how to fix itĪs near as I can tell, somewhere along the way after I upgraded to Mavericks, my Retina MacBook Pro stopped working right.

How to reset mac wifi settings mavericks