rofl what ?:D
1.did you overcloked it ? if yes go on stock setting
2. try to update your bios
3. theres way to test ram really did you even bothered to brose this forum ? mem test and scan 1 memory at time
4. if you pc shuts down randomly check in event log what it saying with 8 gb ram try to set qpi/dram on 1.4 V