A failing hard disk would likely contribute to system freezes and crashes. status of your hard disk, which will highlight any potential problems.
Also in Disk Utility, you can check the S.M.A.R.T. This will highlight any hardware issues that may be contributing to system problems.
#MAC FREEZES UP MAC#
If you have already set your Mac to restart automatically when an unrecoverable system freeze occurs (in the Energy Saver control panel in System Preferences) it should restart by itself in such circumstances In these cases there’s very little that you can do once the problem occurs except force a restart (hold down the power key for a few seconds).
Too many applications open at once using up a lot of memory.Resource-intensive applications that heavily use the CPU.Not enough system memory for applications to run.
Some of the main reasons that Mac’s may freeze or crash are: