A very unique problem: My MacBook randomly shuts down and won’t boot?

I have a 2015 15” MacBook Pro, and it randomly shuts down and won’t boot back up. I don’t know what’s causing this behaviour.

I was just browsing the web, and it shut down and won’t power on again. I plugged in the MagSafe and the light is amber and changes to green after 20min or so. That means MacBook is charging the MacBook. However, the MacBook still won’t power on.

I opened it up, and unplugged the battery and pressed the power button to drain any electricity in the motherboard. I plugged the battery cable, and it booted up fine. The MacBook worked for couple of days, but it randomly shut down again and wouldn’t boot up. I repeated the steps again, and it worked for few days and does it again.

This happens regardless if it’s on battery or plugged in.

Couple of days ago, while I using the MacBook while running on battery, it went to sleep and wouldn’t wake up. It said battery low, and I need to plug it in. But when I plugged the MagSafe, it booted into MacOS but it says the battery is fully charged. I checked the battery cycle, and it’s 300

The MacBook randomly shuts down   when I’m running MacOS, Bootcamp, or Apple’s built-in diagnostics.

I took it to Apple Store, and they ran their in-depth diagnostics, but it showed there were no faults with the MacBook . They opened it up and say no problems inside as well.

What could be causing this?

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3 Commenti:

Lets give this a try install both of these apps:

CoconutBattery

TG Pro

You may want to review your Console logs as well and install a good anti- virus/malware app.

You either have a power, thermal or app which is effecting your system.

da

@danj Thanks for the reply. I have downloaded both and it says my MacBook is in good health, along with the battery. I doubt I have a virus because all the software is approved by Apple and are from the Mac Store.

da

Visiting websites or opening infected files can also hit you. Its becoming important in macOS systems now as the with the popularity of Mac's makes it a new market for these folks!

Do check the console logs as well.

da

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