G4 quits after 45mins, back to login screen

Discussion in 'Mac Basics and Help' started by Hughm, Apr 10, 2010.

  1. Hughm macrumors member

    Joined:
    Dec 12, 2009
    Location:
    Vancouver
    #1
    My new (to me) G4 runs fine (OS 10.5.5) except that after about 45 minutes, it just quits and returns to the login screen.

    I first noticed this as I was attempting to update software. Download proceeded, and after about 45 . . . back to login.

    Sitting, running unattended, with all power save options set to "never" it does the same thing.

    Any ideas.

    Thanks in advance.
     
  2. BlueRevolution macrumors 603

    BlueRevolution

    Joined:
    Jul 26, 2004
    Location:
    Montreal, QC
    #2
    Where'd you get it? Have you done a fresh install of OS X since?
     
  3. quantum003 macrumors 6502a

    quantum003

    Joined:
    Apr 27, 2009
    Location:
    Superposition
    #3
    Interesting... what kind of G4 is it? Laptop/desktop? I wonder if it's totally losing power momentarily and then gets it back? Or if it's a software thing... did you try reinstalling the OS? Or perhaps you could start by booting up an external OS using firewire transfer?
     

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