Hello TechSpot, I really hope you can find out the cause of the crash. I have used Windows Memory Diagnostic to check my PC's RAM and inbuilt program to check my hard drive. Both of them turned out fine. This is the info about most resent crash: BCCode: 124 BCP1: 0000000000000000 BCP2: FFFFFA8005834028 BCP3: 00000000B4002000 BCP4: 00000000A9000145 OS Version: 6_1_7601 Service Pack: 1_0 Product: 256_1 I am using wondows 7 64bits I'm using the CoolMaster RS-650-ACAAE3 as my power supply unit. From my best knowledge it is for gaming which I believe it can produce enough power. Here is the spec sheet, and I hope it helps. CPU: AMD X6-1100T 3.3G 9MB RAM: Kingston 4G DDR3 Motherboard: ASUS M4A88TD-V EVO/USB3 Graphics card: ENGTX460DIRECTCU/TOP1G For the RAM setting, it is currently sets on AUTO. It can goes all the way to 2.1V.