3 Replies Latest reply: Feb 25, 2010 3:20 AM by R C-R
Xian Rinpoche Level 1 Level 1 (140 points)
I am trying to install SL to a second partition on my main HDD (as a diagnosing/maintenance partition). I run the install program just fine off the DVD while booted into my my primary OS. After a while, the mac reboots and then I'm stuck with a light grey screen with the dark apple on it, and nothing else. I left it that way for 30m and nothing happened. Finally, I just shut down the computer and rebooted from my regular SL partition. Any idea what's going on or what I might look for?

Thanks in advance.

EDIT: it just occurred to me that I've been trying to install SL from a 10.6.0 DVD I have on an iMac i5. Is it possible 10.6.0 just doesn't have the drivers I need so there's a kernel panic? It's late now, but I'll give it a shot tomorrow using the DVD included with the iMac. Not sure why I didn't do this before. Tired I guess.

PS I'd still like an answer to know if I've just used the wrong DVD. Stars are definitely forthcoming...

Message was edited by: Xian Rinpoche

27" iMac i5 (6Gb RAM), Mac OS X (10.6.2), Other : Macbook, Mac Mini (HTS), iPhone 3GS (16Gb), Time Capsule (1Tb)
  • 1. Re: Grey screen after reboot during install
    mattn Level 2 Level 2 (420 points)
    I'm a little unclear what the problem is, but:

    (1) You cannot run the installer program while booted into your primary partition; you must boot into the DVD. Restart the computer while holding down the C key until the DVD boots.

    (2) You cannot install Snow Leopard on this computer from a DVD that came with another computer; you must use, as it were, a free-standing commercial Snow Leopard installer DVD. It should look like this:

    http://store.apple.com/us/product/MC223Z/A?fnode=MTY1NDAzOA

    If you boot from that, you should be able to install Snow Leopard.
  • 2. Re: Grey screen after reboot during install
    Xian Rinpoche Level 1 Level 1 (140 points)
    Sorry I wasn't clear.

    1. I meant I started the installer in SL, it copied a few files to the partition to be prepared, the rebooted.

    2. Oddly enough, I was using a free-standing version of SL, but it was 10.6.0. I never could get past the grey boot screen. When I tried the DVD that came with the i5, it worked fine. I wonder if the 10.6.0 DVD was missing drivers for the i5? It was quite strange, as I've used that DVD to install SL from scratch on other macs with no issue.

    And thank you for the reply.
  • 3. Re: Grey screen after reboot during install
    R C-R Level 6 Level 6 (14,160 points)
    mattn wrote:
    (1) You cannot run the installer program while booted into your primary partition; you must boot into the DVD. Restart the computer while holding down the C key until the DVD boots.


    This isn't true. The retail Snow Leopard DVD is designed to start the install procedure while started up normally. When you do this, after performing some checks on the target partition it writes some pre-install files to it before restarting automatically from the DVD. This speeds up the install procedure.

    (2) You cannot install Snow Leopard on this computer from a DVD that came with another computer; you must use, as it were, a free-standing commercial Snow Leopard installer DVD.


    The exception is, as Xian Rinpoche correctly surmised, a Mac model released after the currently available retail Snow Leopard DVD became available. The newest Macs require a later version of the OS than what is included on the retail DVD, which is why it won't work with the new i5 & i7 models. (See Don't install a version of Mac OS X earlier than that which came with your Mac for more about this.)

    As a general rule, use either the installer that came with the Mac on its grey system discs or a retail disc released after that Mac model was released. You can also refer to this handy chart of the OS version that ships with each Mac model.