Lines/text missing from display due to horizontal and vertical display settings.
Cause:
The horizontal and vertical display controls on the monitor have been moved and the image is misaligned on the display.
Solution:
Adjust the horizontal and vertical control using the controls on the display unit.
1) Locate the horizontal and vertical controls on the display unit.
NOTE: For the exact location, consult the manual that came with the display unit.
2) Adjust the horizontal and vertical display controls until all text and lines appear on the screen.