Computer having auxiliary display device

A method of using a computer having a main display device and an auxiliary display device, comprising the steps of:

• performing a power-on-self-test operation upon powering up said computer;
• executing a predetermined program upon completion of said power-on-self-test operation;
• displaying an execution result of said step of executing a predetermined program only on said auxiliary display device;
• executing an application program after displaying said execution result;
• and
• selecting one of said main display device and said auxiliary display device for displaying an execution result of said step of executing an application program, wherein said step of selecting responds to display selection information within said application program and user activation of a predetermined key of a keyboard connected to said computer, such that said execution result of said predetermined program remains on said auxiliary display device when main display device is selected in said step of selecting.

A computer having a main display device and an auxiliary display device comprising:

• an input device for inputting user's commands;
• a computer body for performing a predetermined program according to the commands input to said input device;
• a display controller for selectively controlling said main display device and said auxiliary display device, said main display device displaying signals output from said computer body on a screen when selected by said display controller, and said auxiliary display device displaying signals output from said computer body on a screen when selected by said display controller;
• said display controller immediately controlling only said auxiliary display device to display a program execution result of a predetermined program following a self-test during booting of said computer, wherein the result of said predetermined program continues to be displayed on said auxiliary display device when said display controller selects said main display device to display a result of an application program;
• and
• said display controller controlling said auxiliary display device to display a result of said application program instead of the result of said predetermined program when said display controller selects said auxiliary display device instead of said main display device, and controlling said auxiliary display device to display said result of said predetermined program upon termination of said application program.