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1. #IF I UPGRADE MY MAC OS CAN I LOSE EVERYTHING UPDATE#
2. #IF I UPGRADE MY MAC OS CAN I LOSE EVERYTHING SOFTWARE#

#IF I UPGRADE MY MAC OS CAN I LOSE EVERYTHING UPDATE#

This one should be installed before you will update to a newer version, this way you are taking fewer risks of data loss. Concerning Mavericks, most of the problems are solved by intermediate updates, like the 9.5 update which is the last so far.The third major case is when there is not enough space on the hard drive: you increase the chances of losing everything during an update which would be nonetheless launched.īeyond the 10.6 version of MacOS, common identified data loss cases on Mac during an OS update are generally in reference to Boot Camp and the Mavericks MacOS 10.9 system.

#IF I UPGRADE MY MAC OS CAN I LOSE EVERYTHING SOFTWARE#

On Mac, in the “Apple menu”>”concerning this Mac”, the software update button show the bowels of your Mac and applied updates, particularly on the OS. These updates are important to do because bugs can cause compatibility problems from one version to another. Is it a major update or a qualitative update of the OS? System updates for bug correction are launched every day.It may be worthwhile running a SMART tool on your drive before the update in order to minimise the risk of updating to a corrupted drive. In case of an identified problem on the drive, you have to take the necessary measures before launching an update. On Mac, the SOS function of the drive utility which you can find on the Finder, in “Applications”, is available to deal with it. So a check of the drive before the update is necessary. A drive with a corrupted files system (either because the drive is damaged or because it had many restarts because of a hardware problem) could be the cause of the problem.These cases are mainly due to the hard drive or OS state during the update: Normally, data loss when updating an OS is caused by several recurring problems not necessarily linked to the type of computer, PC or Mac. The following explanations will be useful if your OS is new, to avoid data loss. Then we can think about the risks and anticipate the likely malfunctions.Ī quick side note: on Mac, updates from Mac OS 10.6 are not supposed to generate data loss issues an update keeps the desktop and all personal files intact. Several cases of data loss were seen on Apple devices when updating MacOSĪs usual, before each update, the time machine utility on Mac creates a backup of your existing environment.