Was the grey loading progress bar underneath the Apple logo when it started up.
If so, they're "normally" related to Firmware updates (generally).
Everything should be fine, but a few things that can help it along,..
PRAM and SMC reset
Resetting NVRAM / PRAM
• Shut down your Mac.
• Locate the following keys on the keyboard: Command (⌘), Option, P,
and R. You will need to hold these keys down simultaneously in step 4.
• Turn on the computer.
• Press and hold the Command-Option-P-R keys before the gray screen
appears.
• Hold the keys down until the computer restarts and you hear the
startup sound for the second time.
• Release the keys.
Resetting the System Management Controller (SMC)
• Shut down the computer.
• Plug in the MagSafe power adapter to a power source, connecting it to
the Mac if its not already connected.
• On the built-in keyboard, press the (left side) Shift-Control-Option
keys and the power button at the same time.
• Release all the keys and the power button at the same time.
• Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily
turn off when you reset the SMC.
Start up in Safe Boot mode. (restart with the Shift key held down). Let it
start up until you see "Safe Boot" showing, then release the key. It can take a
while for it to start up, so sometimes you have to be a bit patient ;o)
Once it's started up, then restart like normal.
Then Repair Disk Permissions.
Those things should help it along, but generally you should be fine. (if it
does it more frequent, then sometimes I've found a better fix is defragmenting
the drive with something like DiskWarrior.
It fixed quite a few machines that would always show that bar on startup.
Nothing else fixed it, but when I ran DiskWarrior over it, it worked perfectly.
But all going well, it should be ok ;)
Kind regards
Daniel
---
Daniel Kerr
MacWizardry
Phone: 0414 795 960
Email: <daniel AT macwizardry.com.au>
Web: <http://www.macwizardry.com.au>
**For everything Apple**
On 02/12/2012, at 9:03 PM, Brian Risbey <[email protected]> wrote:
>
>
> Hi all,
>
> Yesterday I restarted my MacBookPro after having issues with upgrading TomTom
> navigation device ( trick was to use FireFox not Safari - took 2 hours to
> figure that one out).
> Anyway a grey screen appeared Apple logo, spinning clock - grey, and loading
> progress bar, it stopped half way through, after two or three minutes, and
> the machine shut down.Restarted it and same screen progress bar made very
> slow progress, hard-drive stopped spinning twice and then after another two
> or three minutes machine started and ran as it should.
>
> So, is this a sign of a impending hardware failure? TechTools Pro 6 said all
> was okay.
> I am up to date with everything software wise.
>
> Brian
>
> OS 10.8.2
> Model Name: MacBook Pro
> Model Identifier: MacBookPro4,1
> Processor Name: Intel Core 2 Duo
> Processor Speed: 2.6 GHz
> Number of Processors: 1
> Total Number of Cores: 2
> L2 Cache: 6 MB
> Memory: 6 GB
> Bus Speed: 800 MHz
> Boot ROM Version: MBP41.00C1.B03
>
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