Troubleshooting (Faq) - Asus PB278Q User Manual

3.3

Troubleshooting (FAQ)

Problem
Power LED is not ON
The power LED lights amber
and there is no screen image
Screen image is too light or
dark
Screen image is not centered
or sized properly
Screen image bounces or a
wave pattern is present in the
image
Screen image has color
defects (white does not look
white)
Screen image is blurry or
fuzzy
No sound or sound is low
3-9
Possible Solution
• Press the button to check if the monitor is in
the ON mode.
• Check if the power cord is properly connected
to the monitor and the power outlet.
• Check if the monitor and the computer are in
the ON mode.
• Make sure the signal cable is properly
connected the monitor and the computer.
• Inspect the signal cable and make sure none
of the pins are bent.
• Connect the computer with another available
monitor to check if the computer is properly
working.
• Adjust the Contrast and Brightness settings
via OSD.
• Press the
automatically adjust the image.
• Adjust the H-Position or V-Position settings via
OSD.
• Make sure the signal cable is properly
connected to the monitor and the computer.
• Move electrical devices that may cause
electrical interference.
• Inspect the signal cable and make sure that
none of the pins are bent.
• Perform Reset via OSD.
• Adjust the R/G/B color settings or select the
Color Temperature via OSD.
• Press the
automatically adjust the image (for VGA mode
only).
• Adjust the Phase and Clock settings via OSD.
• Ensure that the audio cable is properly
connected to the monitor and the computer.
• Adjust the volume settings of both your monitor
and computer.
• Ensure that the computer sound card driver is
properly installed and activated.
button for two seconds to
button for two seconds to
Chapter 3: General Instruction