Hi.

Y560 GPU problems, no screen. Made Reball, laptop worked for 2 months, then changed chip, after chip change, laptop turn off after second. Chip placed OK, ME Region clean, now trying to disable ATI graphics, looking for good schematic.

Tried this one :
http://elektrotanya.com/lenovo_y560_qua ... nload.html

Looking on MB for R393 or C515, cant find on MB.

UPDATE:

Schematic OK , looking for R393 or C515 help!

The change chip orblem look like BIOS Vendor ID problem.