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Helpful answers
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Nov 17, 2015 2:03 AM in response to cmgsanby K Shaffer,A similar topic exists here with some ideas on what to try & do...
MacBook Air screen just stuck at loading
Or try the last item* shown, be sure the MacBook is on AC power.
However since the computer is not fully loading, the second set of
ideas (Linc Davis suggests) may not work at the point yours is now
or at the time you posted your question (4 hours ago.)
The problem may be one of several things; hard wear failure, the
internal hard disk drive may have failed, so a qualified diagnostic
may be one way to find the cause of the symptoms now exhibited.
• About the screens you see when your Mac starts up -- Apple Support
• OS X Yosemite: If your Mac runs slowly -- Apple Support
The computer could be booted into Recovery and the internal HDD
checked, verified, and or repaired; you can access OS X Utilities
from Recovery, use Disk Utility & you also can re-install an OS X.
• OS X: About OS X Recovery -- Apple Support
An Apple Store with Genius bar, and an appointment, are advised.
If no Apple Store (official retail Apple) then an Authorized Apple
service provider, a Specialist, could be asked to inspect the unit &
assess the status of the device. The latter may charge usual fees.
If the computer is on battery power when an issue such as you've
noted occurs, it would be a good idea to use the MagSafe adapter
and the AC current, before the battery goes dead; so you can further
troubleshooting the issue without compounding problems.
It may be possible to start the computer in Safe mode, since it is a
reduced system under that mode, and it may try to do minor fixes
on startup. It may start up to a desktop, allowing further investigation.
*Last but not least, this could be first if you were stuck on the earlier
screen with no progress evident after time passes; to power-off the
Mac by pressing & holding the power key may be necessary, then
try a restart with the Shift key held down; login when/if prompted.
• Try safe mode if your Mac doesn't finish starting up -- Apple Support
In any event...
Good luck & happy computing!
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Nov 19, 2015 7:01 AM in response to K Shafferby cmgsan,Thanks for the tip! So I was able to erase the disk and I'm now reinstalling OS X using the installation DVD that came with the macbook. However, it's stuck on 33 minutes remaining. I couldn't quit the install cause it says that I may not be able to start up the computer if I don't finish the installation of the OS X. It's been like this for more than 5 hours now. What should I do?
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Nov 19, 2015 1:59 PM in response to cmgsanby K Shaffer,Sorry for the belated attempt in a reply; I've not been online much given
the much colder temps and winter conditions, among other obligations.
If you are still waiting, and chose to shut off the computer, you may try
to restart in Safe mode to see if it can start & attempt a repair.
There is a fair chance the computer's internal hard disk drive may be
failing or has major issues -- and this could implicate a reason for the
troubles you've had. Usually to attempt to troubleshoot a computer in
this state is done with the least invasive means possible; to try & make
a backup (full system, beyond Time Machine, on secondary external HDD)
is less likely once you've engaged in the process of a fully-new installation
from DVD of original old OS X, or from online via method in OS X Recovery.
If the hard disk drive is too full for a new system to be installed in there,
or damaged sectors fail to allow space to be over-written by installers,
the process may be compromised and other data may be lost or damaged.
If you have a plan to replace the internal hard disk drive, install an OS X on
a replacement new HDD and swap it into the computer, the old HDD may
still be looked into from a healthy computer OS X and a search for your files
could happen at a later date. The unit should've been inspected if possible
by an Apple genius or a Specialist at an authorized Apple service provider.
However hindsight is not exactly helpful when we cannot predict these events.
At this point, I'm not certain how you could proceed; if any backups were made
or the level of your technical skills and if you have any external drive devices
that were prepared ahead of time to assist in eventual repair, such as clones.
Did you try any of the suggestions before attempting to re-install the OS X?
Safe mode, and others; OS X Utilities from the OS X Recovery? How did
any of those turn out? The Disk Utility in OS X Recovery may have seen if
an issue existed in the hard disk drive; attempts to repair usually are first.
And if it cannot be repaired, or says nothing about damages, if it's original to
the computer, these are often seen as potentially failed units anyway. Expect
to replace a rotational hard drive, esp. if never done in portable computers
where they're known to have a shortened life compared to desktop models
that do not get moved. They usually last under 4 years, depending on use.
Perhaps someone among those viewing these discussions can offer advice.