Check your fan it may contain lot of dust and apply thermal paste to your processor

this varies from laptop to laptop but, hold the power button for like 15-30 seconds. or try holding the power button then esc key. if neither of this works take it to a technician.

If ur battery isn't damaged make sure to check power settings( Reset power management setting) , if not your driver might be outdated... Good luck

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Check Power Settings Update Drivers Check for Overheating Run Power Troubleshooter Check Battery Health Scan for Malware Update BIOS/UEFI Reset Power Management Settings Check Event Viewer Seek Professional Help

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