Look Up System Information on a Mac

Mac computers store unique system information, including serial numbers, computer number, operating system version, etc. OTS or Apple will need this information when servicing a Mac computer. You can access the system information in one of two ways.

Access Mac system info when logged in

  1. Select the Apple menu in the upper left corner of the screen.
  2. Select About this Mac. In the resulting window, the Processor and Memory information is displayed.
  3. Select the More Info, and System Report buttons to launch the System Profile window; here, you will find detailed information, including the Model Number, Hardware, and Network details. The computer name is displayed in the Status Bar at the bottom of the window.

Access Mac system info when not logged in

  1. A red dot in the upper right corner indicates that the Mac is not connected to the network. It is normal for this to appear right after bootup, and it should disappear within a minute.  If the red dot persists, check to verify network cables are plugged in.
  2. On the main Mac login window, repeatedly click on the time and it will cycle through the following information in the upper right corner:
    1. MacOS Version and Build 
    2. IP Address
    3. Computer Name
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