Apple’s chip doesn’t have a system management controller. Also, this option will not work on M1 Macs. Note: depending on what type of Apple computer you use (MacBook, iMac, Mac mini), you will follow different steps to reset the SMC. Resetting the SMC can help solve this issue. If something goes wrong with the SMC, it can lead to various system issues, including not turning on. It works constantly – even when a Mac is turned off. SMC is a microcircuit on a Mac that is responsible for the operations of all power supplies in the system, for turning on the MacBook, and for various operating modes. If a MacBook does not turn on and the problem is not connected with the reasons mentioned above, try to reset its System Management Controller (SMC). If this doesn’t help, put the old components back. Review them again, rearrange the new module, and try to start your Mac. A MacBook does not turn on after a hardware upgradeĭid your Mac work before installing new components like RAM, hard drive, or SSD, and now it won’t turn on? Most likely, this is because the components were not firmly seated in the connector, or they do not match the specifications. If your Mac still won’t turn on, you should immediately take it to the nearest Apple service center.

In this case, you have to disconnect from power immediately and wipe the keyboard with a dry cloth or tissue. For example, it can cause the failure of the keyboard or even short circuits on the MacBook motherboard. If you spilled any liquid on your MacBook, it can lead to various damages. Clean up the connector, charge it, and turn it on.

Check the Magsafe connector, as well as the charging cord for kinks, especially near the plug. If a MagSafe connector is dirty, has oxidized over time, or is simply clogged with dust and dirt, then your MacBook will not charge and will not turn on as a result. If this is the issue, try charging your MacBook with another charging unit. Check the charging cord for kinks, especially near the plug. If the power supply is out of order and the battery is not charging, then of course your MacBook will not turn on. Below, we will explain what to do in most common cases when your Mac won’t turn on. In the case of mechanical hardware damage, you will have to contact a service center for professional help. If your Mac won’t turn on due to software problems, you can try to fix it by yourself. Read also: “ Why is my Mac fan so loud and overheating?“

Mac won39t update software