6. CORSAIR Vengeance 8GB (2 x 4GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model
7.Galaxy GeForce gtx550 ti GPU
8.Western digital caviar black 1 TB HDD
9. CORSAIR Builder Series CX500 V2 500W ATX12V
now recently I've had an issue since i got everything together and running fine for about 2 weeks and now there is a red light by the RAM sticks and the monitor wont detect a signal any help you guys can give would be greatly appreciated.