Hello forum, I recently put together a computer for my brother and I've been getting many blue screens over the last couple of days. I've been trying to corner the problem myself the last two days but I'm still not confident that I know what the problem is in its entirety. I have installed Windows 7 on this computer with the following specifications: Radeon HD 4870 AMD Propus Quad Core @ 2.9 GHz ADATA 2x2GB DDR3 RAM MSI 770 G45 Motherboard Everything ran fine and dandy until the first blue screen was encountered, and it was while my brother was watching a video. The second one came while playing a game, and there were about four more after that. So since nothing major was installed on the computer, I decided to try reinstalling Windows 7. This time I did not install any drivers because I thought that was the issue before the re-installation. I tried to play a few games, and they blue screened again. Now I thought it may be the RAM, so I ran the Windows 7 Memory Diagnostic tool on both RAM sticks, and got an error message. Then I did the same test with both stick separately, however I got no error messages. Then I thought it was maybe the DIMM2 slot that was faulty, so I tried testing both sticks again and this time I don't get an error message. So I installed the same drivers (chipset drivers and the GPU drivers) as before and I'm still getting blue screens. And it's not just one type of blue screen, I've been getting several different stop messages, including xA1, xC2, x1E, x3B, and x0A. They mostly occur when playing computer games, however they have occured while running less intensive programs and during a Windows update. Also, more recently, I've run MemTest on my RAM and I've got errors reported, so I know the problem is RAM related, but I thought I'd just ask if there could be anything else that may be wrong with the computer. Here is the dump files that have been produced since I've reinstalled Windows 7: View attachment minidumps.rar Any help is greatly appreciated. Thanks.