It seems strange ... and caught on XP machines, but if the equipment is all right these phenomena I have not seen. Modes of components you rated? Clock frequency, supply voltage within acceptable specifications? All hardware components are compatible with each other? As an example I can give you my system which are not compatible with each other modules of RAM, and this leads to failure. Well, replace the Corsair TW3X4G1333C9D to other, even more so that the glory of them as a priest defrocked. Just have to thoroughly search for a replacement since motherboard MSI P45D3 Platinum (MSI MS-7513) DDR3-1333 with only 8 bits/chip board understands or does not start. A modern modules there are 16 bits/chip and memory controller chip set's Intel P45 Express with them will not start ...