toshiba tecra z50-AO445 power led orange/red led flashes 5 times the fan run rapidily

BLESSED01

Commendable
Oct 19, 2016
3
0
1,510
I HAVE A FAMILIAR challenge, my toshiba tecra z50-AO445, when power on, it with blinking orange led (on power icon) 5 times and restart immediately and then the fan start spinning vigorously and rapidily( meanwhile the battery is non-removable)
pls, help me out, i will glad to get any idea
I have did the power reset
remove the cmos battery
i have remove battery ( meanwhile the battery is non-removable)
i have check for any melting on the gpu and cpu