can not change the dns server, always comes back.

10.10.5 Yosemite

My ISP has provided DNS servers are terrible and I still get messages "site is not reachable. I'd like to change the DNS from Google or Open DNS servers

In SYSTEM preferences > network > DNS tab I delete 2 default entries & entry "8.8.8.8" & "8.8.4.4" (google dns)
In the "areas of research" box, there are 2 entrances & I can't delete them.

I click OK & apply - when I go back to the DNS tab, it was the old DNS.

What should do?

May be a corrupt .plist.

Make a backup, preferably 2 backups on 2 separate drives.

Quit the application.

Go to Finder and select your user folder. With this Finder window as the windshield, select Finder/display/display options for presenting or order - J.  When the display options opens, check "show the library folder. This should make your visible user library folder in your user folder.  Select the library. Then go to Preferences/com.apple.systempreferences.plist.  Move the .plist on your desktop.

Restart your computer, open the application and test. If it works fine, delete the plist for the office.

If the application is the same, return the .plist where you got it, crushing the latest.

Thanks to leonie for certain information contained in this.

Tags: Mac OS & System Software

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