hello

recently i bought second hand razer laptop i notice i have issue with bios:

serial number not the same as laptop parts

touchpad not working, boot time from bios take a long time about 10-15 sec

i cant install window becuase when setup begining laptop freeze so i try install fresh GNU/Linux, installation successful but still touchpad not working, seems everything fine until when i try use bluetooth the system freeze or crash or black screen.

i check everything like ram ssd and ... no problem with them. i show laptop to technician he said some one flashed the orginal bios.

i dont know what should i do.technical said if you have orginal bios file "bin + EC" maybe its work. but i dont know where should i find this files

my laptop product number is: RZ09-02386E92

i need help