| 摘要 |
A method of controlling a computer system having a computer to generate and to transmit a video signal, a display to display the video signal transmitted from the computer, and an interface through which the computer communicates with the display, the method including transmitting a control command to check a blank edge line from the computer to the display; receiving the control command and determining whether an edge line of an image display area of the display is blank according to the control command; transmitting blank checking data from the display to the computer; and adjusting resolution of the image signal and transmitting the image signal from the computer to the display based on the transmitted blank checking data.
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