Macbook pro 2011 "prohibited symbol"

Discussion in 'MacBook Pro' started by angelbur, Oct 24, 2018.

  1. angelbur, Oct 24, 2018
    Last edited: Oct 24, 2018

    angelbur macrumors newbie


    Oct 24, 2018
    To start off I've gone and read all about prohibited "do not enter" symbol problems around. Here's whats different that doesn't seem to work for me.

    Macbook pro 2011 15 inch
    - I don't get a apple logo at the start, just right to the symbol after 10-15seconds
    - touched harddrive as it booted but didn't feel it spin
    - donggled the hard drive on usb and hit cmd + R to change the drive
    - held cmd+R and it does not send me to the boot menu.
    - saw that fans not working could give that symbol but they both turned on

    hit shft+V at start up and got this:
    "efiboot loaded from device: Acpi (PNP0A03,0)/Pci(BIO)/SATA(0.0)/HD(Part2,SigCS5FE9AC1-773A-4C23-ADF0-A8B252EE34C7)
    efiboot file path: \System\Library\CoreServices\boot.efi
    Start OpenVolume
    End OpenVolume
    Start ProcessOptions
    End ProcessOptions

    This version of Mac OS X is not supported on this platform!
    Reason: Mac-F22587C8

    So I thought maybe the OS I had on the hard drive was wrong but dont know how if I didn't feel the harddrive spin and dont even get a loading apple logo.
  2. lcseds macrumors 6502a

    Jun 20, 2006
    NC, USA
    Sounds like a bad hard drive cable. Economical/easy fix.
  3. DeltaMac macrumors G3


    Jul 30, 2003
    CMD + R would not give you a boot menu. That's for booting to your Recovery system.
    If the hard drive has failed (or as suggested above, the hard drive cable (SATA cable) has somehow failed) then you probably won't be able to boot to the Recovery system, either (It's on the same hard drive)

    Try booting while holding the Option/Alt key.
    That should bring up a boot drive screen, and should show most any drive that you might have connected that might possibly boot on your Mac.
  4. NT1440 macrumors G5


    May 18, 2008
    Try an NVRAM reset, but wait until you hear the chime for the 3rd time before releasing the keys. This was the most common thing I had to do for macs at ESPN when I worked there.
  5. DeltaMac macrumors G3


    Jul 30, 2003
    Good tip!
    Don't forget to re-select the default boot drive in System Preferences/Startup Disk pane.
    The NVRAM reset will clear out the boot drive setting.
    If the default drive is not selected, that can add to boot times, too.

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4 October 24, 2018