How do I force Mac to use Ethernet connection when both WiFi and Ethernet are active?

Discussion in 'OS X Mavericks (10.9)' started by petrucci666, Oct 28, 2013.

  1. petrucci666 macrumors 6502a

    Apr 30, 2009
    San Francisco, CA
    I live in a 2-story apartment, with the router downstairs.

    WiFi is weak upstairs but I have an ethernet cable running to my Cinema Display. When I connect my Mac to the display, both WiFi and Ethernet (through the Cinema Display) are connected but I think the Mac using the WiFi as its primary source, making it slow. How do I force it to use the Ethernet connection over WiFi without turning off WiFi?
  2. PsyOpWarlord macrumors 6502


    Nov 11, 2010
    Colorado Springs, CO
  3. petrucci666 thread starter macrumors 6502a

    Apr 30, 2009
    San Francisco, CA
    Thanks a lot! This was exactly what I was looking for!
  4. TheCreech macrumors newbie


    Dec 6, 2016
    that link is now disconnected - what was that answer?
  5. chrfr macrumors 603

    Jul 11, 2009

    A newer version of the document is here:
    The summary is that it gives information on how to set network service order:

    • Choose Apple menu > System Preferences, then click Network.
    • Click the Action pop-up menu [​IMG], then choose Set Service Order.
    • Drag a service, such as Ethernet, to the top of the list.
    • Click OK, then click Apply to make the new settings active.

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