iMac Computer Name Keep Changing!

Discussion in 'Mac Basics and Help' started by kevhui, Mar 24, 2009.

  1. kevhui macrumors regular

    Apr 24, 2008

    My computer name always keep changing with a message like "computer name X already exist in your network and your computer name is now X(2)". I have to change the computer name back to X, or the computer will be rename to X(3), X(4) .... etc.

    I did not change anything in my network.

    Is there any way to stop this?

  2. Tallest Skil macrumors P6

    Tallest Skil

    Aug 13, 2006
    1 Geostationary Tower Plaza
    Did you migrate from another computer of yours? You can't have two of them with the same name, so the network will assign a number after whichever connects second. You should have received a pop-up informing you of this the first time you connected.
  3. kevhui thread starter macrumors regular

    Apr 24, 2008
    No, I only have one Mac, others are PCs. In fact, I only leave the Mac turned on all the time and other PC turned off.

    When I come back from work, I saw the message that my Mac needs to rename.

    My Mac is connected via WiFi and Ethernet, do you think this is the cause?

  4. akm3 macrumors 68020

    Nov 15, 2007
    I have the same issue, now Macbook Pro (3)

    I think it is related to connecting over wireless versus wired
  5. velocityg4 macrumors 68040


    Dec 19, 2004
    Why do you have it connected to both?

    This could be the problem as each adapter is assigned an IP Address by your router. Each IP then broadcasts its name.
  6. kevhui thread starter macrumors regular

    Apr 24, 2008
    I connected to both because I want to use of iPhone to control the speakers that connect to Airport Express.

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