Aegis Computer Services

You know your computer is experiencing a video failure when there's no image at all on the screen. This can be attributed to a power issue or video card failures. Sometimes, video cards can lose their contact with the motherboard, causing a disruption.

Ever heard of the computer Colossus? This was a computer created to crack codes in secret missives Germans were sending. The computer itself was kept under wraps until long after the war ended.