Repair amd sapphire nitro r9 390

[Mat2786]

Hello all i have problème with my r9 390 sapphire nitro.
Can you help me?
I have Black screen and no boot.
I have tested all Voltage and i have no Voltage to vmem.
And two capacitor.
After other test i connect power supply  2 mosfet 4c10n have 12v
And 2 mosfet 4c10n 0v fuse 0v capacitor 0v see picture.
Thank you