need more information to restore my gt70 2od

[johnt31]

Hello everyone,

I need help with my MSI GT70 2OD 075FR
my pc is stopped at once and can not be turned on again.
I have the pc tested at a specialist, he told me that the motherboard the pch is dead and gpu same thing.

 

I want to repair  my laptop ( 4700MQ and 780M, 32 Go ram, 2*256 Go SSD Msata).

I found motherboard :  https://fr.aliexpress.com/item/33035028140.html 

need help

gpu 970m 1: https://fr.aliexpress.com/item/32958128785.html
gpu 970m 2: https://fr.aliexpress.com/item/4000021397378.html
gpu 970m 3: https://fr.aliexpress.com/item/33057743915.htm

I've more questions:

 

1) do you think it's a good idea to repair for  345 euros ( gpu and motherboard)  ?

 

2) I Read on  more forum that the heatsink should be modified for me isn't a problem for me but more person said the gpu need update " INF" what is this ?

 

3) Do you kwow the size  of thermal pads who go on th gpu and cpu ( 0.5, 1, 1.5, or more for thickness) and wich thermal grease advise me for gpu and cpu?

 

 

thank you for you return