my mbp wont boot with external display connected!!!

Discussion in 'MacBook Pro' started by josh.meaden, Sep 6, 2008.

  1. josh.meaden macrumors newbie

    Sep 1, 2008
    Hi all,
    running a 15" mbp 2.5ghz ( recently invested in 24" Dell 2408WFP and wireless apple keyboard :))

    I'm unsure what the problem is, but when the display is connected and I turn on my mbp, it hangs on the light blue screen before the desktop shows.
    I bought the new screen and keyboard on the same day, and the problem has been happening ever since so im unsure if its the screen or keyboard causing the problem..

    I need help!
  2. josh.meaden thread starter macrumors newbie

    Sep 1, 2008
    ps. the problem does not exist when running in clamshell mode. only when running dual displays does my mbp not fully boot.

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