help with a bricked xmg schenker...would donate!!!!

[state-zero]

hello
i need urgent help with a bricked xmg schenker mediacore.display dark and only the fans spin up.i have dumped the bios chip on weekend but in this process something goes wrong
i have read out the original bios with a cha 341 programmer and the software to make a backup dump.and saved it but after that laptop was bricked
its a winbond 25Q128JVSQ cihip.i have try to re flash the dumped bin on the chip again.that was sucessful but the laptop is still bricked.

i´m really desperate...what goes wrong...???

need help from a specialist....and would donate via paypal if someone help me to get this machine back to life