I have a Hp DV6 6165tx notebook with i7 2670qm Processor, 2X4gb RAM , 750gb HDD, 2Gb Amd 6770m graphics card, Windows 8 Pro 64 Bit. Now the Issue I have is my Pc reboots randomly. For Ex while playing Assassin's Creed 3. This kind of problem was present before which was due to a faulty RAM module and was replaced by HP. It was working Fine for 3-4 months. So I ran MEMTEST86+ 4.20 to check for any errors and it showed one at 1477.7MB. So I tried testing individual RAM modules but the test was clear. If I run my pc with a single module it works fine ,i.e no restarts, but the minute I put both of them in it restarts while playing games . I am using temp monitors and it is not due to overheating . Please Help.