Laptop turning off

I have been noticing that my laptop is turning off automatically while using it. Can it be due to the Lenovo Error Code 1802 that might have occurred in my device? How will I be able to check if occurred or not?

From what I can tell (and from Lenovo themselves), that error relates to an unauthorized mini PCI network card. I’m not sure what exact symptoms will occur if you leave such a card inserted, but I guess anything is impossible. You should remove the card (or do all the fixes suggested until the error is gone) and see if the problem goes away. Until that’s resolved, I don’t think it’s wise to troubleshoot anything else.

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