How can Apple Mac reset SMC?

Many users who use Macs have encountered a situation where the Mac does not boot. Many people are very worried, because if the equipment over the warranty period may also need to pay maintenance, in fact, we do not worry, if everyone's Mac encountered no boot, battery failure, unable to charge and so on sudden failure, you can try to reset SMC, you can solve the problem. The following small compilation teaches everybody Mac resets the SMC method.

The parameter random access memory (PRAM) and the System Management Controller (SMC) control the MAC system many hardware modules, when a hardware module is invalid, the performance is unable to boot, the battery failure and so on, this time needs to reset SMC, below is the detailed operation procedure.

The steps for SMC are complex, and each device type is different, such as a MacBook with a removable battery:

1. Shutdown, unplug the power cord

2. Remove the battery

3. Hold down the power button for 5 seconds without releasing

4. Reload the battery

5. Plug in the power cord

6. Boot

Second, no removable battery of the MacBook:

1. Shutdown, plug in the power cord

2. Hold down SHIFT, control, option, and power keys at the same time

3. At the same time loosen Shift, control, Option these three keys, hold down the power button until the boot

Third, for Mac Pro, intel-based IMac, intel-based Mac Mini, intel-based Xserve and other equipment:

1. Shutdown, unplug the power cord

2. Wait 15 seconds

3. Plug in the power cord again

4. Boot

After the above steps, if it is due to SMC problems caused by the Mac fault can be resolved immediately, if still can not solve your Mac failure, it may really need to contact the relevant After-sale maintenance personnel.