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HT203176: Resolve startup issues and perform disk maintenance with Disk Utility and fsck

Learn about Resolve startup issues and perform disk maintenance with Disk Utility and fsck

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Title			Views	Latest activity
The Volume Disk was found corrupt and needs to be repaired. in Mac Pro by Andrew Cowell	Show 1 Bookmarks1	15	12484	September 7, 2016 7:10 PM by Andrew Cowell
A grey progress bar will appear and will load for a little bit and will shut off, what do I do? in Mac OS X v10.6 Snow Leopard by vince_instructor	Show 0 Bookmarks0	43	177412	September 5, 2016 5:19 PM by vince_instructor
Can't turn on IR in security menu in OS X Yosemite by Eric Root	Show 0 Bookmarks0	7	338	September 5, 2016 9:18 AM by Eric Root
OSX recovery in OS X El Capitan by dominic23	Show 0 Bookmarks0	3	46	September 4, 2016 10:44 AM by dominic23
computer shuts down while booting up in OS X Yosemite by jsm59	Show 0 Bookmarks0	3	174	January 19, 2015 11:23 PM by jsm59
Install Software Updates via Single User Mode in MacBook Pro by JimmyCMPIT	Show 0 Bookmarks0	1	46	August 22, 2016 10:26 AM by JimmyCMPIT
MacBook Pro boots directly into Recovery HD after update. Disk Utility could not repair the disk. OS problem or hard drive problem? in MacBook Pro by Bluegreenocean	Show 0 Bookmarks0	4	76	August 10, 2016 5:26 PM by Bluegreenocean
Black screen upon wake from sleep with 10.8.2 in OS X Mountain Lion by Eric Root	Show 1 Bookmarks1	29	66034	August 8, 2016 8:21 AM by Eric Root
My Macbook pro keeps shutting down right after I log in. The power cord seems to be fine, so I think the computer has enough power. Right after logging in, it shows a grey background with a loading bar that loads only 1/4. Then it shuts down. in MacBook Pro by sjinadu	Show 0 Bookmarks0	15	38613	July 29, 2016 8:29 PM by sjinadu
Solid grey window where I should see a login window in OS X El Capitan by LostAccount	Show 1 Bookmarks1	27	224	July 26, 2016 12:07 PM by LostAccount
Issues to update to OS X El Capitan from OS X Snow Leopard in OS X El Capitan by steve626	Show 0 Bookmarks0	5	96	July 25, 2016 8:16 PM by steve626
Trying to help a friend diagnose his wi-fi problem in OS X Yosemite by Doug Lerner2	Show 0 Bookmarks0	45	219	July 23, 2016 6:30 AM by Doug Lerner2
MacBook stuck at Apple logo boot screen after Time Machine backup in OS X Mavericks by Eric Root	Show 0 Bookmarks0	13	7680	July 12, 2016 8:18 AM by Eric Root
Accidentally deleted /var folder, now recovery utilities not responding to trackpad/keyboard! in OS X Mountain Lion by dbp303	Show 0 Bookmarks0	4	2165	June 21, 2016 5:51 AM by dbp303
My iMac 27 can't start up in OS X El Capitan by judysings	Show 0 Bookmarks0	5	103	June 6, 2016 10:51 AM by judysings
This disk needs to be repaired using the Recovery HD. Restart your computer, holding down the Command key and the R key until you see the Apple logo. When the OS X Utilities ... I did it more than ones and a message says the disk has no problem. in MacBook Pro by leroydouglas	Show 0 Bookmarks0	7	93	June 5, 2016 9:07 AM by leroydouglas
Mac keeps randomly freezing in MacBook Pro by Grant Bennet-Alder	Show 6 Bookmarks6	93	64589	May 29, 2016 6:30 AM by Grant Bennet-Alder
Macbook Pro (15" early 2011) horizontal lines on screen and not booting...? in MacBook Pro by neuro2k16	Show 12 Bookmarks12	146	143830	May 16, 2016 5:06 PM by neuro2k16
I have to go in to single-user mode to boot in OS X. in Boot Camp by pdxBug	Show 1 Bookmarks1	82	2673	May 15, 2016 9:43 PM by pdxBug
My 2008 13" MacBook has been updating for 4 Freaking days!! I have turn it off after Like 48 hrs of "installed" but the updating bar goes right up to where it left off. Nd it Command R is not working... What else can I do? in MacBook Pro by norm123	Show 0 Bookmarks0	1	49	May 10, 2016 6:54 AM by norm123
I made an NTFS partition with Disk Utility Tuxera and now OS X can't read my disk in OS X El Capitan by Lexiepex	Show 0 Bookmarks0	11	214	May 6, 2016 8:08 AM by Lexiepex
Mac Book Pro Black Screen in MacBook Pro by Imlegallyblind	Show 0 Bookmarks0	5	165	April 28, 2016 6:06 AM by Imlegallyblind
Mac fails to restart after installing El Capitan in OS X El Capitan by EddyG	Show 0 Bookmarks0	16	783	April 23, 2016 12:13 AM by EddyG
Beach balling, now it won't boot up. Screen stays white than seems to power down. in OS X El Capitan by KimUserName	Show 0 Bookmarks0	3	39	March 9, 2016 8:26 PM by KimUserName
MacBook Pro Crash? in iMac by Kappy	Show 0 Bookmarks0	5	69	March 3, 2016 2:56 PM by Kappy
I had a white screen, I restarted in Safe mode and now it's a blue screen. Any ideas? in MacBook Pro by joe_7399	Show 0 Bookmarks0	1	57	March 3, 2016 1:33 PM by joe_7399
New Install, stalls on restarts in OS X El Capitan by JimmyCMPIT	Show 0 Bookmarks0	2	41	March 3, 2016 11:32 AM by JimmyCMPIT
dont recoognized Macintosh HD in OS X El Capitan by pouyan1	Show 0 Bookmarks0	5	62	February 16, 2016 11:11 AM by pouyan1
Crashing Frequently. This time it said no bootable drive found when it reset. Any suggestions? in MacBook Pro by norm123	Show 1 Bookmarks1	1	78	February 24, 2016 10:43 AM by norm123
iMac, 2012, 27″, won’t boot, not even in safe mode in OS X El Capitan by Eric Root	Show 0 Bookmarks0	5	80	February 24, 2016 7:13 AM by Eric Root

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