Calibration device for display and personal computer having same

A personal computer having a calibration device for a display, the personal computer comprising;

• a display;
• a personal computer body that is connected to the display;
• and
• a calibration device for a display that is detachably mounted on an edge of the display to sense and calibrate a screen of the display,
• wherein the calibration device for the display comprises:
• a housing that has a mounting groove by which the housing is mounted on an edge of the display, the housing being detachably mounted on the edge of the display;
• a screen sensing unit that is disposed in the housing to be movable between a protruding position protruding to the front of a screen of the display and a retracted position retracted to outside of the screen of the display;
• and
• a screen sensing unit actuating part that actuates the screen sensing unit so that the screen sensing unit is located at the protruding position or the retracted position,
• the calibration device for the display is communicatively connected to the display or the personal computer body,
• wherein the housing comprises a guide pin that is inserted into the edge of the display.