Black boot up screen!!

Discussion in 'Mac Basics and Help' started by sikkinixx, Aug 7, 2006.

  1. sikkinixx macrumors 68020

    sikkinixx

    Joined:
    Jul 10, 2005
    Location:
    Rocketing through the sky!
    #1
    I just installed the new security update on my mbc and now the damn thing wont start up! when i power on, the machine is running, i can feel the hdd spinning etc, and the screen turns on, just it is black or a very dark grey. No apple logo, no "ta-da!" sound....whats going on?! :(

    Do i use the Tiger DVD?


    edit: YAY! after resetting everything else, resetting the PRAM did it!!
     
  2. sikkinixx thread starter macrumors 68020

    sikkinixx

    Joined:
    Jul 10, 2005
    Location:
    Rocketing through the sky!
    #2
    tried the DVD and it won't load it up, although the drive is spinning....
     
  3. markiv810 macrumors regular

    Joined:
    Sep 27, 2002
    Location:
    in Limbo
    #3
    Does the power led keep on flashing, either the power supply has a problem or the ram. I had a similar problem but that was due to faulty ram
     
  4. Shadow macrumors 68000

    Shadow

    Joined:
    Feb 17, 2006
    Location:
    Keele, United Kingdom
    #4
    I had this exact same problem (albeit now when installing security update). On startup hold Command-Option-P-R until the grey screen appears.
     
  5. iJUNKY macrumors member

    Joined:
    Jan 15, 2006
    Location:
    Belfast, Ireland
    #5

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