self built system

I self-built my PC. I’m suspecting some sort of hardware failure but am at a complete loss as to the source. All of my games lag horribly, and I experience a lot of sound stutter. The sound starts ‘popping’ in and out. As far as detection of my devices go, the PC will ‘see’ and then ‘not see’...

Hey, I'm trying to get some pictures off of my d70s camera and on to my computer. Now the pictures show absolutely fine on the camera, however when trying to send them to the PC the following shows: http://i.gyazo.com/9463aa94267fbe796d4156e277c54fad.png When I try to open one of the folders I...