![]() ![]() The next thing to try is recalibrating the battery. If a transient issue in the SMC was causing the Service Battery warning, this should address it. SMC controls the computer fans, backlights, and indicator lights, as well as some aspects of the display, ports, and battery, so resetting it will force your MacBook to revert back to its default settings for all these things. Press Shift+Ctrl+Option+Power at the same time and hold.The process is straightforward, but any customizations to your power plans or hardware settings may also be reset. While very reliable, it can occasionally have issues that require a reset. The first thing to try is resetting your System Management Controller (SMC), which is a hardware chip that controls some hardware settings, including the power system. I’ll show you how you can attempt to resolve the issue yourself before replacing the battery outright. ![]() If you get the Service Battery warning, the cycles are above about 1,000 then your battery’s likely pretty close to worn out.īut if your cycles are relatively low, then there may be other issues at play, and you should use the methods I’m about to describe. How Do I Change Low Battery Warning on My MacBook? ![]() Modern Macs get at least 1,000 cycles before there’s a problem, though if you have a Macbook that’s older than 2010, then you may only have 500 cycles available before your battery’s worn out.
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