All-in-one computer

An all-in-one (AIO) computer, comprising:

• a main body, comprising a first casing part and a second casing part, wherein the second casing part is movably connected to the first casing part and is configured to move between a first position and a second position in relative to the first casing part, the first casing part has an engaging portion and an electrical connection portion;
• and an electronic assembly, disposed in the second casing part, wherein when the second casing part is located at the first position, the second casing part is engaged with the engaging portion, and the electronic assembly is connected to the electrical connection portion, and when the second casing part is at the second position, the second casing part is departed from the engaging portion, and the electronic assembly is departed from the electrical connection portion;
• wherein the second casing part is configured to move in a first direction and be departed from the first casing part, the second casing part comprises a first sub-casing part and a second sub-casing part, the second sub-casing part is located between the first sub-casing part and the first casing part, when the second casing part is at the second position, the second sub-casing part is configured to move in a second direction opposite to the first direction in relative to the first sub-casing part, to form an opening area between the first sub-casing part and the second sub-casing part, and the opening area exposes at least a part of the electronic assembly.