Go to Disk Utility, choose your HDD and on First Aid tab, choose verify disk. Do: verify disk and repair disk permission.Backup all data on Mac first: You can manually copy data to external or backup via Time Machine.If you need to reduce data on Mac, you can transfer the data to HDD External first (this is need for MacBook Air with small storage size). Prepare a minimum 5GB of free storage on your Mac.
#Os x yosemite for n510 update#
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#Os x yosemite for n510 install#
Fixes an issue in Profile Manager that could allow a user to install pre-release software even when the setting is disabled.Adds the ability to create mobile accounts with the createmobileaccount tool.Addresses an issue where OS X systems bound to directory services could stop responding under certain conditions.Fixes an issue where a website could prevent the user from navigating away by presenting repeated JavaScript alerts in Safari.Resolves an issue that could delay outgoing email messages in Mail.Addresses an issue that could cause Photos to unexpectedly quit after importing some Lecia DNG files.Improves reliability when syncing photos and videos to iCloud Photo Library.Improves the reliability of upgrading iPhoto and Aperture libraries to Photos.Addresses an issue that prevented some external displays from functioning properly.Improves Migration Assistant reliability.Release note Complete release notes of the OS X 10.10.4 software update
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