So, it’s worth seeking professional assistance from Apple’s customer support. Attempting DIY fixes may risk damaging vital components. look for the line with smallest number in column 2 (PID or 'process ID') for that line, write down the number in column 3 (PPID or 'parent process ID') type 'sudo kill -9 PPID' (you will need to type. you will see 3 or 4 lines returned each having 4 columns of numbers. On an Intel Mac, boot the Mac and hold a key like Shift, Command+R, Option, D, Command+S, T, or other keys to access a variety of boot options. From Finder, go to Utilities -> Terminal. If none of the above solutions resolve the keyboard backlight issue, it’s possible there’s a hardware problem. On a modern Mac with a chip like the M1 or M2, power off the Mac and then hold down the power button until you see a message saying startup options are loading. Hold these keys down for around 20 seconds. To schedule your Mac to turn on or off in macOS Ventura using Terminal. The easiest way to do this is to press the Option + Command + P + R keys simultaneously as your Mac turns back on. That’s it – your Mac will restart, and the NVRAM will be reset. However, if your Mac doesnt start up all the way, or you want to repair the disk. ref: Log out, sleep, wake, restart, or shut down your Mac - Apple. After that I tested it with the magsafe cable. Here I was told to click on the apple logo on the top left and shut down the MacBook again. If no resolve you can always force the Mac to shut down by holding the power button/TouchID for 6-10 sec. Shut down MacBook -> Click and hold power button for 10 seconds -> Now a new menu appears, click on 'Options' and after that on 'Continue' -> Log in to your account -> Now you should be in recovery mode. What do I do You can force quit Mail from >Force Quit>Mail. Keep holding the keys for about 20 seconds, then release. Quit won’t close the mail, so I can’t log out or shut down. To reset NVRAM on an Intel Mac, shut down your Mac, turn it on, and immediately press and hold the Option, Command, P, and R keys simultaneously. Solution 3: Try the Safe Boot Wait 10 seconds and press the power button again Instantly after you hear the startup beep, hold down the Shift key Let go. NVRAM stores settings and preferences, and resetting it helps clear any corrupt data that could be causing problems. You can also fix issues like keyboard backlight malfunctions by resetting the NVRAM (non-volatile random-access memory) on your Mac. Shut down your Mac Hold the power button for 10 seconds At the start-up menu, choose your startup. Tip: To improve the likelihood of your keyboard backlight working after a restart, ensure your Mac has a sufficient battery charge or connect it to a power source. So, having a virus on your Mac doesnt sound fair.
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