By default, this is the factoryinstalled macos partition macintosh hd. When you use startup disk preferences to select a startup disk, your mac starts up from that disk until you choose a different one. This method should work on all apple computers and with all recent versions of mac os. Mar 24, 2017 the startup disk is the hard drive medium or partition on a medium that the efi boots loads system files into memory upon turning the computer on. My mac book pro mid 2012 is stuck on a white screen with a grey stop sign circle in the middle, this happen after automatic update of the os systemhelp me please. Mar 25, 2016 how to replace and upgrade a macbook pro hard disk. My mac book pro mid 2012 is stuck on a white screen with a grey stop sign circle in the middle, this happen after. How to install os x after formatting your hard drive. Apr 01, 2020 mac startup key combinations learn about the mac features and tools that you can access by holding down one or more keys during startup. How to troubleshoot the four most common oh sht mac. The mac os x setup assistant screen should appear after the reboot, just as it does when you start up. Tom nelson is an engineer, programmer, network manager, and computer network and systems designer who has written for other world computing,and others. How to upgrade your macbook pro with an ssd 2019 updated the definitive guide.
My 08 mac book pro has a screen that says i need to restart my computer and is frozen. But when restarting the macbook, holding down the option key, the usb doesnt show up. When you reinstalled the os, did you erase or repartition the hard drive. This tutorial will install the latest os x yosemite on your mac. There are times when your mac may misbehave and refuse to boot into os. Rebooted mac pressing option key, launched startup disk tools when in the. How to repair disk and file system problems on your mac. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Others might be wondering about booting a mac from a disk other than their designated startup disk. A folder with a flashing question mark means that your startup disk is no longer available or doesnt contain a working mac operating system. Among many applications that were made and designed for such purposes, we would like to recommend macfly pro. How to use macos recovery to restore the operating system on.
These options work like chkdsk on windows, checking for disk and file system errors and repairing. To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your mac. Find answers to macbook pro startup disk is full and cannot login. Insert your mac os x startup disk reboot your mac at the apple chime, press the c key and hold it until you see a white screen. My mac book has no start up disk answered by a verified mac support specialist. How to fix a mac that just shows a crossedout circle while. If your hard drive is failing, you should immediately attempt to back up all the information on your. I tried all the trouble shooting and seem to be unable to identify and fix the problem. I recommend your guys to buy a mac pro or a few towers of 1t external hard drives. Youll notice your mac lags not only on startup, but during normal usage as well. May 23, 2016 for example, you could be a pro user who dual boots between macos and windows on a daily basis. In addition, there are many mac issues that get mistaken for the gray screen startup problem. For example, you could be a pro user who dual boots between macos and windows on a daily basis.
The first thing youll want to do is make sure your mac s startup disk is healthy. Click the lock and enter your administrator password. Hey vincent the behavior you see in osx recognizing the usb is normal cloudready partitions dont play nice with finder. How to replace and upgrade a macbook pro hard disk. The first thing youll want to do is make sure your macs startup disk is healthy. How to start up your mac from a bootable cddvd, usb thumb. After you push the power button, you see a gray screen or a black screen, depending on the mac you are using while your mac searches for the startup drive, and then a blue screen as your mac loads the files it needs from the startup drive.
If you cant repair your startup drive using disk utility, try a third. Hold those keys down until your mac reboots again and you here the startup chime. Lex uses a macbook pro, an iphone 5, an ipad mini, a kindle 3, a tivo hd, and a treadmill desk, and loves them all. Not only is this an annoying situation, but its also highly embarrassing especially when you need the macbook on an urgent basis to entertain your friends or to complete some work.
If you can boot a mac successfully in safe mode, you either try to boot the. How to fix macbook pro that wont boot toms guide forum. Also, please dont go deleting anything if you dont know what it does. A couple of weeks ago i took it out of the office and when i brought it back i was unable to boot. However, thats not the only issue that can occur with a disk or file system. How to boot a mac from an external drive or alternate startup. After resetting the nvram, you may need to select the startup disk.
Troubleshoot your mac with these hidden startup options. Suppose your mac couldnt be recovered in any other way, you might as well try recovery mode to diagnose disk problems, get help online or install the version of os x that ran sometime on your mac. If the 3 months work is worth spending out money for trying to recover it may be worth shelling out on disk warrior or data rescue for osx. Jul 23, 2010 clues to the causes of mac startup problems can be found by analyzing when in the boot process the system fails. Startup disk in mac book pro missing apple community. Since we launched in 2006, our articles have been read more than 1 billion times. How to fix a mac that stalls on gray screen at startup troubleshooting mac startup problems. If the drive is ok after repairs but the mac still wont boot, do an archive. His latest book, a childrens book parody for adults, is called the kid in the. Its battery couldnt store enough power to start some issue with the power management system it couldnt recognize the correct startup disk to boot from, etc. In the event of a serious problem with your mac, you may need to reinstall your mac operating system. Jun 22, 20 this option on boot trick works for quite literally any boot volume, whether its an external usb drive of any sort, a thunderbolt hard drive, boot dvd, cd, the recovery partition, even in dualboot environments with other versions of os x, or a linux or a windows partition with boot camp, if its bootable and connected to the mac it will be visible at this boot manager. How to upgrade your macbook pro with an ssd 2019 updated. Hardwarerelated issues can be detected by running disk utility.
The startup disk is the hard drive medium or partition on a medium that the efi boots loads system files into memory upon turning the computer on. Also os x installation questions, a cool hard drive gadget, thoughts on mark pilgrim switching from the mac, and more on an upgraded pismo vs. Problems may be related to the power supply, battery, hard drive, logic board, os. This situation can indicate that a hard drive is failing, or it could just be. Clues to the causes of mac startup problems can be found by analyzing when in the boot process the system fails. How to use macos recovery to restore the operating system.
Some of the reasons your macbook pro fails to boot include. You do not have to connect to another mac, you can connect to a time machine or external startup disk to transfer files. Nov 12, 2019 the mac s startup process is normally predictable. The disk utility performs a fsck file system check operation, so you dont need to run the fsck command manually. Jul 08, 2019 the majority of these problems are usually related to thirdparty software running on your macbook. Apr 30, 2018 if you cant boot to recovery its possible and, i believe, likely that your hard drive mechanism has failed. Mac pro musings, no pismo startup chime, changing a users short name, macbook drive upgrades, and more, charles w moore, miscellaneous ramblings, 2006. Mac startup problems take many forms, but stalling at the gray screen can be one of the most troublesome because there are so many possible causes.
Hi, recently, for no apparent reason, my macbook refuses to turn on when the power button is pressed. The mac startup manager works great if you have a number of. Nov 15, 2011 startup chime, no boot, white screen of death. This option on boot trick works for quite literally any boot volume, whether its an external usb drive of any sort, a thunderbolt hard drive, boot dvd, cd, the recovery partition, even in dualboot environments with other versions of os x, or a linux or a windows partition with boot camp, if its bootable and connected to the mac it will be visible at this boot manager. How to fix a mac that stalls on the gray screen at startup. It ought not be telling you the startup disk is full until you have less than 1 gb available. Start up from a netboot server, if your mac supports network startup volumes.
Otherwise you should have another mac for creating a bootable usb. Press and hold the power button on your mac for up to 10 seconds, until your mac turns off turn on your mac and immediately press and hold command. Press and hold the power button on your mac for up to 10 seconds, until your mac turns off. Mac notebook like macbook air, macbook pro without a removable battery. First, lets find out if the problem is that your mac wont start up, or that it wont turn on those might sound like the same thing, but theres actually a big. I instead chose it as a startup disk and it booted. Dec 08, 2019 press shift option command r to install the version of macos that came with your mac, or the version closest to it thats still available. Since your macbook pro doesnt start, theres nothing much you can do. In this video i show you how to reinstall mac os x on your apple computer. How to troubleshoot the four most common oh sht mac problems.
How to fix a mac or macbook that wont turn on or boot up. Disabled in macos mojave or later, or when using a firmware password. How to fix the issue where macbooks wont boot load. Whats more, you can try to fix the problem that mac progress bar is stuck at 100% by booting up your mac in singleuser mode. I tried all the trouble shooting and seem to be unable to. How to check your startup disk with disk utility in macos recovery mode. If you do, youll probably find you computer in a much worse state than when you started. Try using terminal to eject the disk, then shut down your mac, wait 2030 seconds and unplug the external drive from the mac, and power your mac back on. How to reinstall macos when the startup volume was erased.
When you log back in you may need to readjust some of your system preferences e. A message gradually counted down from 10 attempts to one and then the start process stopped to a simple cursor. Backing up may be possible even if your mac does not boot. If you have apples filevault disk encryption technology enabled, or if you have a firmware password set on your system, then the computer will.
Youll have a dualboot system with your mac os on one partition and windows on another. To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your mac, or after your mac begins to restart. The majority of these problems are usually related to thirdparty software running on your macbook. To get started, boot your mac in safe mode by holding down the shift key at startup. On a mac desktop imac, mac mini, or mac pro, unplug the power. If disk utility found no errors or repaired all errors, take either of these actions. How to boot a mac from an external drive or alternate. This page has gathered 2 quick fixes and 5 reliable methods for you to try and follow to restore mac computer to boot normally and work smoothly again with macos high sierra. Let go of the keys and let your mac reboot normally. How to recover from a white screen when booting a mac. Mac os x contains a variety of tools for repairing disk, partition, and file system errors. To use the default boot image on the server, hold down optionn instead. But now with my new mac pro connected through the new thunderbolt. How to select a different startup disk apple support.
Macbook will not start up after macos update, howto fix. And if your mac plays a startup chime when you turn it on, release the keys after hearing a second startup sound. Target disk mode is a great way to retrieve your files from your mac if your machine. Jul 05, 2017 modern versions of mac os x no longer need you to repair disk permissions. How to use os x boot options to troubleshoot your mac. While in target disk mode, you can connect your mac to another mac via firewire or thunderbolt and see the contents of the macs drive mounted on the second mac as if the drive were an external firewire or thunderbolt device. If its responding but failing to boot up normally, scroll down to the recovery. Dec 08, 2016 in this video i show you how to reinstall mac os x on your apple computer. Choose apple menu system preferences, then click startup disk. Debbie exactly the same with my macbook pro 15 mid 2012. Jun 17, 2010 my mac book has no start up disk answered by a verified mac support specialist we use cookies to give you the best possible experience on our website. Press shift option command r to install the version of macos that came with your mac, or the version closest to it thats still available. Click the disk utility option, click over to the first aid tab, and try repairing your macs disk. This will take you to the directory containing your startup.
Apr 22, 2018 among many applications that were made and designed for such purposes, we would like to recommend macfly pro. How to clean up startup disk and why your system needs it. If youre using a desktop mac such as a mac pro or mac mini this could apply to you. Macbook hangs at startup with a spinning wheel that just keeps. Nothing slows down a macbook pro more than having an almost full disk, even if your mac is with a highperformance ssd. Complete technical specifications for every apple mac released in 2006 are listed below. You didnt say which mac you have, but if it supports internet recovery, then you can hold down. It hung on the grey apple logo then went to a black screen and kept trying to start. Should you run into problems whilst attempting to boot your mac from an external storage device, consult our faq below to help troubleshoot any start up issues you may be plagued with. Theres a simple way to do this using your mac recovery partition or via mac internet recovery.
I hear the hard drive and dvd drive kick in as well as the apple ding, but no monitor backlight or image. Mar 24, 2020 a folder with a flashing question mark means that your startup disk is no longer available or doesnt contain a working mac operating system. Top 10 troubleshooting tips for mac startup problems lifewire. If you dont have a bootable dvdrom preferably a mac os x snow leopard install dvdrom call apple or your apple dealer to arrange for a replacement. Fix macbook stuck apple logo spinning wheel not loading start up wont boot circle pro air imac 2017 duration. Using boot camp assistant, you can install windows 7 on your intelbased mac computer in its own partition. Another thing you can try is removing the hard disk from the mac and put it in an external enclosure and try to recover the files from it with another mac. Startup chime, no boot, white screen of death ifixit. Macbook pro 2006, a1150 fails to boot ask different. You can also try apple disk utility or another thirdparty utility like techtool pro or. Oct 16, 2019 single user mode is a way to enter unix commands related to your macs startup from the safe mode desktop rather than the prestartup screen. If you cant boot to recovery its possible and, i believe, likely that your hard drive mechanism has failed. Dont worry if your mac computer fails to boot or wont boot after macos high sierra update or installation. If your mac starts up to a question mark apple support.
Or perhaps youre looking to isolate the cause of a software issue in the macos safe mode or boot straight into recovery os as the last option. To cut a long story short, the startup disk is showing as missing. Startup manageros xs builtin startup manager allows you pick a volume to start your mac up from at boot time, which temporarily overrides your startup disk defaults set in system preferences. Nov 14, 2017 when your mac finishes starting up, you should go to system preferences and adjust some settings that were reset, such as time zone, display resolution, etc. Thats why use it to your advantage if the above steps didn. Hi, i have a macbook pro early 2015 it had been working very well. When your mac finishes starting up, you should go to system preferences and adjust some settings that were reset, such as time zone, display resolution, etc.
Macbook, macbook air, macbook pro retina, or macbook pro with internal. Find answers to macbook pro startup disk is full and cannot. The bootable mac os x snow leopard install dvdrom is important if your mac ever refuses to boot like normal. Currently shipping macs additionally may be of interest to view each mac released from 1984 to the present on a dynamic, interactive timeline, you also may find s ultimate mac timeline useful.
Log in to your mac normally, and you should see the macos utilities app open. I was able to download the os x on my external hard drive so i can operate the mac now. If your macbook or other mac does not start up at all after macos high sierrasierra update and hangs on a gray screen with an apple logo, here are some steps to consider. How to fix common mac startup problems macrx cult of mac. If you are not able to login to your mac, you need to use time machine backup disk. If it doesnt, you probably didnt press the keys soon enough restart your mac and try again. Dec 07, 20 mac recovery jobs i usually stick the defective drive in my spare sled 4 in my mac pro to access the drive without going through a usb bridge like an external enclosure. For example, if you installed ram or swapped out a hard drive, you may.
How to use os x boot options to troubleshoot your mac techradar. If you own a macbook pro, then you may have faced an issue where your laptop wont start at all. The apple hardware test never found a hardware problem i had with my macpro so it. How to fix a mac that just shows a crossedout circle. Mac startup key combinations learn about the mac features and tools that you can access by holding down one or more keys during startup. This app is capable enough to fix many issues of your macbook and help you learn what to do when mac says startup disk is full. How to reinstall macos when the startup volume was. Disk utility can fix several disk problems, including the white screen on mac. Factory reset hard reset your macbook os x yosemite youtube. The fact that it works on one machine reassures us that the usb is in good shape so probably you just need to make adjustments to accommodate the macbook. For mac users who also need to use a pc at work, home or just with specific applications, there is a solution. If your mac wont turn on, recovering your files can be challenging, but it is not impossible. This article explains how to back up hard drive data on your mac when os x wont boot.
498 1248 578 620 1098 1006 1485 407 1320 524 748 779 610 348 1276 1173 630 446 77 1199 187 1481 210 144 167 920 721 1168 979 314 303 987 1525 1588 660 111 1395 1133 637 634 418 140 1244 1358 77 197