Laptop Randomly Shutting down

I have a MSI GP70 Laptop that was as having shutdown issues. Took it in to diagnose, tech said it was a bad stick of Ram, replaced it and said it was good to go.
Got it home and my wife tried to start using MS Word and after less than 30 minutes it Shutdown.

Checked CPU and GPU temp which seemed fine.
Could it be something else, multiple issues?

Any help, advice, etc appreciated?

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Temp can be fine
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MSI GP70 Random Shutdown

As far as I know the tech said he did a good cleaning, he opened it up showed me what he cleaned, and the fan seemed to kick on and run appropriately. The laptop is 24-28 months old I think.

The tech called to see how things were and asked me to bring it back in after explaining what was happening. All help and any other ideas appreciated. Thanks.

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Without that report

I can only write the machine has to be factory reset then tested. If it still fails it's likely in need of a new motherboard.

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electrolytic caps

Do you see any electrolytic caps on the motherboard, and are any ends deformed? Also, get a breakout PCB for the power adapter, and check the voltage using a scope

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