pc configuration

Hello, I have a built in PC running Windows 10, it was for mining now is for browser and games, dual monitors connected each one to a unique graphic card, every 5 minutes both, PC and monitors freezes for 3 seconds and the monitors goes black and return, after that the PC is running normal...

Hello everyone! Can somebody help me in configuring a good desktop computer? My computer is mostly used for programming, testing applications and software, creating interactive websites, image processing and video. It's not for gaming. I use Linux (Debian, Ubuntu) and, if needed, Windows...