my laptop overheated - help

[NBMSCH]

hello everyone

I'm new in here..

I have a Sony Vaio VPCSA... I was copying some files to an external hdd and the weather was little hot... then my laptop overheated and shutdown and won't power on again.. no power no LED indicators, nothing! ... it was very hot when I touched it... I unplugged the power cord, disconnected the battery and I did discharge the motherboard from all power, jumped the CMOS, but even after all that the laptop still doesn't power on.. when I checked the 2 sides of the motherboard there was no sign of burnt or any unusual smell.. so, it looked normal

what could have happened exactly?
please help me and if you have any suggestion what should I do?
thank you very much!

[laptoprepairdubai]

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