processor upgrading i7 720 qm tı i7 920xm

BIOS/UEFI Modding BIOS Modding Requests
1

Hello Dears
ı have LENOVO y550p laptop. its processor is i7 720qm. I have changed it to i7 920xm. But it didnt work. Bios is not opening. black screen showing.
Could u please help me ?