If the issue is gone, re-add the old preferences a handful at a time recursively , starting from the old drive periodically.
Once the problem disappears, look through the most recent handful for the culprit. Disable network volume automounts Some users have been able to resolve slow login times by disabling automounting of networked volumes. Checking for problematic fonts Some have experienced success reducing startup time cleaning font caches with Font Finagler , though for most, it doesn't seem to provide a significant reduction of startup time.
A better option is removal of extraneous, non-native fonts from their system using Apple's Font Book located in the "Applications" folder on a standard Mac OS X installation.
Fonts can be removed using the "Remove Font" menu item inside Font Book. Also, make sure all default fonts are all reactivated or you will not be able to activate "Accounts" in "System preferences". Check for drive directory or permissions issues Problems where a system fails to startup properly can spontaneously occur with any incremental Mac OS X update, and usually involve problems with an incompatible third-party add-on loading at startup or damage done to the drive directory or permissions during installation.
The problems usually manifest in an inability to move past the startup progress bar or an indefinite stall before the Desktop appears. In the case of drive directory damage or problems with permissions, the solution is usually to use Apple's Disk Utility to repair the disk.
So two options exist:. Insert your Mac OS X Once the computer has booted from the installation disc, select "Utilities" from the menubar and open Disk Utility. Repair the disk, then quit Disk Utility and restart your system. Alternatively, you can repair the disk while booted in single user mode if you do not have access to a retail Mac OS X To startup in single user mode, hold down the "Command" and "S" keys simultaneously at startup.
Once properly booted, type the command fsck at the prompt. Repeat these process until no errors appear. Slow startup normal after installation of a Mac OS X upgrade Note that slow startup after applying a Mac OS X update except in the case of directory or permissions damage as aforementioned is normal and expected. In some cases, startup can take several minutes directly after applying an update. An AppleScript for eliminating startup snags The following AppleScript that deletes several files implicated in increased startup time.
The script has been successful for a number of users, and is as follows:. Hopefully you have a friend who has a Mac. Instead of trying to connect your system to another Mac, you'll need to setup a bootable USB thumb drive to boot your system up from so you can checkout your internal drive.
Tutorial: Resolving slow startup: Speeding up Mac OS X boot time
How to create a bootable macOS Sierra installer drive. Then plug in the USB thumb drive and hold the Tab key when you get the bong or if its turned off when the Apple logo shows up. Then let your system boot up. As the USB interface is not as fast as your internal connection it will take a bit of time. Once started you'll want to go to the menu bar and select Disk Utility to test your internal drive. You might be able to gain access to the drive.
It's maybe worth noting that there is a piece of software called "Transmac" that allows you to make a bootable disk on windows. Although a bit more technical and requires the. DMG from another source. The only drawback here is you still need to get the OS downloaded from the Apple App Store which can't be accessed from a Windows system. If you have access to the file locally you likely have access to a Mac.
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Which is what I recommend. All of our field people have a recovery USB drives as part of the laptop kit. They're great to have, I have a Windows 10 recovery image on a USB stick that's come in useful more times than I can count, even for personal use. Aaradhya aaradhya. Select a Language: Help Translate iFixit. Back Answers Index. Matthew nooboss Rep: Answer this question I have this problem too Subscribed to new answers.
6 Simple Guides to Optimizing Slow Startup on MacBook Pro
To do this, run the following command in the Terminal:. Check keyboards One possibility albeit remote is that your keyboard could be sending the system the command to boot to Safe Mode.
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Try starting your system up with the keyboard unplugged to see if it boots normally, and if so then consider replacing your keyboard. Verify or repair the disk Boot to an alternative boot volume and use Disk Utility or, more preferably, a dedicated filesystem repair tool like DiskWarrior to run disk verification and repair routines on the boot drive. Format the drive If none of the previous options clear the problem, then formatting the drive should be a final step to take to clear the problem. Be sure you have a full and restorable backup of your boot drive, and then both repartition and format the drive using the OS X installation disc.
Boot to the disc, choose your language, and choose Disk Utility from the Utilities menu. Then select the drive device it will be the item above the "Macintosh HD" name--or whatever you have named your boot drive. Then go to the Partition tab, select "1 Partition" from the drop-down menu, and click Apply to rebuild the partition tables and format the drive. After the drive is formatted, use Apple's restore utility from the same menu to restore a full Time Machine backup to the boot drive, or boot to your cloned drive and restore it to your internal boot volume. A quick word of caution: If you have Boot Camp installed or have otherwise partitioned your main boot drive, then repartitioning the drive will destroy these secondary partitions.