9/12/2023 0 Comments My mac shut down suddenlyThey replaced the logic board (aka monther board). Sending in for repairĪlas, I carried the giant iMac down to a service center for repair. ![]() At least I knew I am not the only one affected. ![]() Apple forumĪpple forum didn’t provide a clear resolution. Hence, I got to bring the Mac down to a service center. I had the same issue on a MacBookPro10,1 (15' Retina, Mid 2012) and reseting the NVRAM fixed it for me. Hold these buttons for around 20 seconds. The Apple support deduce that the SMC logic board might have a problem and need to be replaced. 1 Answer Sorted by: 3 This is not normal, shutdown the laptop and the press the Power Button and hold down Command + Alt/Option + P + R. By right it should continue to boot up, but it didn’t. How can I get rid go this Battery health is Normal (according to battery settings), and cycle count is 42. The machine shuts down without any warning, the battery is charged, it doesn't heat up and there is no obvious pattern. I have to restart using the power button. The screen sometimes goes blank although the keyboard is lit up, there is no response. One thing weird is that after I hear the startup sound the 2nd time, the Mac goes blank. 4 points Hi every one I updated may M1 Pro Mac to Ventura 13.4 about two weeks ago and after that, it happens to shut down at the battery level of around 17 to 20. My MacBook Air which is a year old has started shutting down suddenly. The computer will restart and when you hear the startup sound the 2nd time, you may release. One thing new they asked me to perform is the PRAM reset.ĭuring boot up, press and hold Command + Option + P + R. My MacBook Pro (15-inch, Retina, Mid 2014, macOS 10.13.1) shuts down randomly. PRAM Resetįinally, I called Apple support for advise. 14 This question already has answers here : MacBook Pro black screens and shuts off after a few minutes' use (7 answers) Closed 4 years ago. I run memtest all 2 and nothing bad turned up. You can quickly force-close everything by tapping the Option + Command + Esc keys, and then clicking Force Close next to an app’s name. That is basically a command line tools that write random data to all of the RAM and verify it is correct. Suspecting it could be a RAM that turned faulty, I run memtest. I need to power off for 1 minute instead of 20 seconds. I learnt that what I have been doing - pulling off the power plug - is the way to reset System Management Controller (SMC).įor my case, it seems a bit different. The temperatures were all okay when the system crashed. An Apple MacBook has an energy-saver feature that turns off the device automatically if you dont use it after a certain amount of time. That again didn’t shed light on the cause. Select the app you want to quit and click Force Quit. I installed Temperature Monitor app to log the temperature of the CPU, GPU, etc. One way to prevent a Mac crash is to force-quit unresponsive or frozen apps: press Option + Command + Esc to launch the force-quit menu. In fact I am thinking it could be caused by the SSD or RAM. ![]() You can press and hold D while booting to perform the test.īut the test said the hardware is fine. To isolate that the problem, I tried running AHT (Apple Hardware Test). It will be Casue 5 if triggered from the menu. This gives me some clue how it gets shut off. It was said on the forum that a Cause 0 means the power was disconnected.
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