Desktop Mac or MacBook won't turn on，Or maybe it can't be launched via the Apple icon? Don't worry，Although it makes people irritated，But it's usually fixable。 Here are all the steps you need to take to restart your Mac。Follow the steps in order，until the problem is solved，Or jump to the applicable step。 1. 检查电源连接 •确保你的Mac插上了电源适配器，and the adapter is connected well。For desktop Mac，Make sure the power cord is also connected to the electrical outlet。 2. 重新启动电源 •对于最新的MacBook，Disconnect the power cord，Then press and hold the power button for 10 seconds。 •For older MacBooks，Disconnect the power cord and remove the battery for at least 10 seconds。 ...