I will do that again, but tommorow. Expect for more than 12 hours.
Im sure that nothing elese than pcb itself makes not touchin correctly gpu die. Many time screwed and reaplied paste which I use always, also all thermal pads applied to the same place where they were, but again after that all there can be some fauilure, so I will check it again and send photos.
Thank you for help, it could be helpful to many others.