Cannot install Yosemite

[sfpqi]

I cannot boot into any installer of 10.7, 10.8, 10.9 or 10.10. I am always stuck at DSMOS has arrived. SMC and NVRAM has been reseted, I have also tried Safe Mode for the installers, they won't work either . I have Snow Leopard running fine.
Model Name: MacBook Pro
Model Identifier: MacBookPro4,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.5 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 6 MB
Memory: 2 GB
Bus Speed: 800 MHz
Boot ROM Version: MBP41.00C1.B03
SMC Version (system): 1.27f3
Serial Number (system): xx
Hardware UUID: xx
Sudden Motion Sensor:
State: Enabled