Question Z77A-GD65 Can't boot

[Player_H]

hi my MSi Z77A-GD65 gives me every time i what to boot the error codes 4f 55 19 03

i tried to boot withe only 1 Ram stick on all slots
i checked the CPU pins
i pressed the CMOD button i replaced the BIOS Battery i tried 16 and 4 Gig ram
i booted on min seatings --> only CPU 1 RAM and PSU

i don't know what to do anymore

my specs
i7 3770k CPU
Msi Z77A-GD65 Mainboard
Corsair CMZ16GX3M4A1600C9 Ram
Thermaltake 630 w PSU

thanks For help

 

[Barty1884]

I believe "55" is "memory not installed". The others are just running through boot sequence order, IIRC.

Seems like the problem sits with the memory. You've reseated, and tried each DIMM in each slot individually?