Elo TouchSystems Entuitive 1725L Series User Manual page 28

Image has vertical flickering line bars.
Image is unstable and flickering
Image is scrolling
Touch doesn't work
4-24 Elo Entuitive Touchmonitor User Guide
Use "Phase" to make an adjustment.
Check and reconfigure the display mode of the vertical
refresh rate of your graphic card to make it compatible
with the LCD display.
Use "CLOCK" to make an adjustment.
Make sure the VGA signal cable (or adapter) is well
connected.
Check and reconfigure the display mode of the vertical
refresh rate of your graphic card to make it compatible
with the LCD display.
Make sure cable is securely attached at both ends.