Laptop overheat

Hi,
Got laptop 1 year old. experience unexpected shut down which caused by overheat as I think. Laptop very hot. Its getting worse and worse. I thought its dust so open and clean everything up. Problem still there. What else could cause system overheat and shut down?

Is processor fan spinning? Also, did you reapply thermal paste between heatsing and processor?

OldMX said:

Is processor fan spinning? Also, did you reapply thermal paste between heatsing and processor?

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fan is spinning and I have not touched pasta at all as it was brand new. its still on warranty till end of December.
could it be something with drivers or some software?

if still in warranty I'd say to call and have a tech have a look. I doubt it is a software/driver issue.