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Imagine caught in the middle of an critical operation and suddenly Macintosh freezes. What do you do? Contrary to the widespread idea, MacBook owners indeed experience random freezes while working. That sequence of freezes is not subject to obvious algorithm. Reportedly, the current problems are more serious and may affect all Macintosh laptops resulting in the system getting not usable. Exact nature of slowing – down is still unclear thus a Macintosh might freeze at any moment.
 Even though an exact cause has not been determined yet, that problem seems to be because of significant inconveniences with integration of latest application types available with existing equipment. Among the possible workarounds to troubleshoot mentioned behavior are described below.
 MAIN APPROACHES TO FIXING OF MACBOOK FREEZE
 Try these easy steps to resolve the MacBook freeze issue:
 Load the laptop in Safe Mode: computer freezing problems may be caused some noon-integrated outsource software. To to test the idea, a user should activate Mac in Safe Mode, which prevents mentioned external programs from launching when Operational system activates.
 Check Software Setup When Running under “safemode”: To complete the task, try uninstalling the programs one by one and thus see if it removes mentioned issue. Waste majority of described problems tend to occur involving software which utilize network resources to synchronize. A user account can also cause software problems, that is why try to establish a new account, and test the software. If the inconvenience doesn’t vanish, try resetting affected programs.
 Do Mac Boot Repair Sequence: Those are:
•     Downgrading to previous Operational System increment
•     Performing an “archive & install” lookup
•     Repartitioning and reformatting the main disc

 SOLUTIONS INTENDED FOR MACBOOK SLOWDOWN IN CASE SCREEN CLOSED
 Sometimes a MacBook slows down while its lid is closed. You might shut that screen in case you put the MacBook into sleeping mode, as well as when all the job is done. The issue may originate in new feature that MacBooks implement, called “safe sleep”, which means that the computer writes information from your Random access to the main drive. This is in fact an indigenous security measure applied to the latest MacBooks; if energy source depletes completely while your MacBook is in Safe Sleep mode, the machine can still resume from the last recorded state once you turn it on.
 However, mentioned safety measure is not useful, as it greatly freezes the process of falling asleep for your Mac. To illustrate this we can say that, on a MacBook possessing 4096 Mb of random access memory, writing 2048 Mb of data to the hard drive will take a little while. This also means that the computer must use up 2 GB of additional disk capacity on the HD to write the data every time.
 To add to mentioned, during the sleep state, the sleeping light shines, and doesn’t pulse. In case that is in pulse mode, you may be sure that the MacBook is still working. If the signal shines fixedly, as it does in Safe Sleep mode, the processors run at maximal capacity. The computer gets extremely overheated. Placing it into a bag in such state can seriously reduce effective working life of the machine.
 This is the reason why we must discuss whether that Safe Sleep mode is really a value-add application for your MacBook. This mechanism protects the machine in the event of battery depletion. If you are able timely ensure this can’t does not appear, you can for sure disable the Safe sleep.
 TURNING OFF SAFE SLEEP
 Perform next steps to turn off the “safe sleep” feature:
1.     Input following 2 commands using the Terminal, after which press the “return” key:
” sudo pmset -a hibernatemode 0”
” sudo nvram "use-nvramrc?"=false”
 Safe Sleep regime is turned-off.
 RECLAIMING MAIN DISK SPACE USED BY THE “SAFE SLEEP” REGIME
You need to identify and delete precisely that folder that holds information which a computer writes to your hard drive taking it your RAM when in Safe Sleep regime. You may safely delete the file, thus saving your MacBook some precious data capacity. The name of the directory is “SleepImage”. For more info see this mac cleanup manual.
 In order to reclaim that space, perform such actions:
1.     From the Go menu, open the ”finder” tool, and choose Go To Folder option.
2.     Type such orders using the “prompt” and press Return button:
"/var/vm"
3.     Find the directory named “SleepImage “.
4.     Remove that file after which make empty the ”trash” folder to clean memory

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