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40 _______________________________________________________ Barco - LC-5621 - User manual
Troubleshooting
8 Troubleshooting
8.1 Troubleshooting procedure
No picture on screen.
• The signal cable should be completely connected to the graphics card/com-
puter.
• The graphics card should be completely seated in its slot.
• Check the power switch should be in the ON position.
• Front power switch and computer power switch should be in the ON position.
• Check to make sure that a supported mode has been selected on the graph-
ics card or system being used (Please consult graphics card or system man-
ual to change graphics mode.).
• Check the monitor and your graphics card with respect to compatibility and
recommended settings.
• Check the signal cable connector for bent or pushed-in pins.
• Ensure the DVI input mode is set to digital when the MAC digital output is
connected to the DVI-I connector.
Image persistence.
• Image persistence is when a residual or “ghost” image of a previous image
remains visible on the screen. To alleviate image persistence, turn off the
monitor for as long as the previous image was displayed. See chapter “Rec-
ommended use”.
Image is unstable, unfocused or swimming in apparent.
• Signal cable should be completely attached to the computer.
No signal
• Signal cable should be completely attached to the computer.
• Make certain the computer is not in a power-saving mode (touch the key-
board or mouse).
• If no video is present on the screen, turn the power button off and on again.
LED on monitor is not lit (no green or orange color can be seen)
• Power switch should be in the ON position and power cord should be con-
nected.
• Check the power cable should be connected surely.