so sorry if im not clear or didn't explain well and also my exuses for the first message this is my first time using a forum like this !
so the latpop model is : UX3402Z
SN : 24MN7N0LP025731281
MFD : 2022-07
and for the motherboard model where could i find that ? there is a small QR code on the model board should i post its content here? and i also have a CH341A programmer and i guess that the bios chip is this one XM25QH80BJIG? if so its original contents are here :
thanks again
and for context how all of this happend is when my uncle was using the laptop,...

is this blog still available i could really use some help with my ux3402z that is bricked as well