【单选题】A technician installed a new video card on a motherboard which has onboard video. When the monitor was plugged into the new card and the power was turned on, a no signal message appeared on the monito...
A.
In the BIOS, the onboard video adapter must be disabled.
B.
The video resolution is set too high.
C.
The LCD panel is defective.
D.
The drivers for the new video card must be installed before installing the card.
【单选题】After a ToolTip control has been placed into the component tray of the Form Designer, the message that appears when the mouse hovers over a text box is set with which of the following properties?