Quickly check your Mac’s battery status and health using built-in tools in macOS Tahoe. View Battery Status in Menu Bar Show battery percentage in the top-right corner of your screen. Click the Apple menu → System Settings. Go to Desktop & Dock → Menu Bar. Click Battery. Turn on Show Percentage to display remaining battery as a number. Check Battery Health and Cycle Count View your battery’s condition and how many charge cycles it has experienced. ...
Understand Hibernate Mode and how to use it. What is Hibernate Mode on macOS? Hibernate mode on macOS is like “deep sleep” for your Mac. When you put your Mac to sleep normally, it keeps everything in memory (RAM) so it can wake up quickly. But in hibernate mode, macOS saves everything to the storage (SSD or HDD) and completely turns off the RAM to save power. When you turn your Mac back on, it reloads everything from storage, just like resuming from where you left off. ...
you can force Wi-Fi to turn off when the display sleeps By default, macOS keeps Wi-Fi on even when the display sleeps to allow background processes like downloads, notifications, and network services to continue running. However, you can force Wi-Fi to turn off when the display sleeps Use a Terminal Command sudo pmset -a tcpkeepalive 0 This disables network access when the system is in sleep mode, forcing Wi-Fi to disconnect. You will aso get this warning by macOS. ...