Macbook Pro EFI firmware update?

Discussion in 'MacBook Pro' started by jmy2469, Nov 7, 2011.

  1. jmy2469 macrumors member

    Jun 10, 2010
    Palm Harbor, FL
    Anyone have problems installing the Macbook Pro EFI firmware update? It's version 2.3. I have tried twice to install this. When my MBP goes to restart, the screen just keeps flashing on and off. I am running Lion and my MBP is a 2011 model. Thanks for the info
  2. IllIllIll macrumors 6502a

    Oct 2, 2011
    No problem here. Installed last week with no problems.
  3. ibis99 macrumors regular

    Jul 14, 2010
  4. yawns macrumors member

    Oct 12, 2011
    I've only heard of people having trouble when they try to update without the computer being plugged in.

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