The recovery of Apple Mac system

　　A powerful Mac computer is also a time of system problems, so how do we fix it?

In a classic system, you can press SHIFT while restarting to turn off Third-party functions so that the machine can start up and then try to fix problems with disk errors or feature extension conflicts. Reboot, when all the extensions of the upload complete, immediately press the Option+command key, until the window to rebuild the desktop file, click OK, you can rebuild the desktop files, fix the problem caused by the desktop file error. Even the normal operating system, at least once a month to rebuild the desktop once, the system health benefits harmless.

In the X system, press shift immediately after reboot to allow the system to start in Safe mode, the system can temporarily shutdown the third party startup items, help the system to start normally, and the system can also start some self-test function, repair disk errors.

Press the Command+s key immediately after starting, can let the system enter Single-user mode, enter after the prompt of this mode:/sbin/fsck-y, carriage return, can start the system fsck tool, repair Disk of file system. When finished, enter: Reboot, the system will return to the normal boot interface. If you are starting disk-log mode, you must enter/SBIN/FSCK-F to force the repair of the disk.

Press Command+option+o+f immediately after starting, enter the system firmware program, after the prompt input Reset-nvram, enter, and then enter Reset-all, carriage return. This system will let the system's firmware back to the original factory settings, so that the set up to solve some of the other repair methods can not repair the strange diseases, but also including the Power Manager of the laptop reset.

If it is started immediately press Command+option+r+p until you hear the power-on ring again. This is killing pram, is also to keep the system in the parameters of the storage parameter reset, solve some other repair methods can not repair the odd incurable diseases. In fact, the above access to the firmware process has also been the parameters of the store parameters reset. But just killing pram is easier than going into the firmware program. And just reset the parameters. Sometimes kill three times can be more thorough, is to hold down the combination of the above key, until you hear the third sound system to start the bell to loosen.

However, if the disk appears to be a more serious problem, you need to help Third-party tool software to repair. such as: OnyX.