3 troubleshooting (faq) – Asus PB278Q User Manual
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3-9
ASUS LCD Monitor PB278Q Series
3.3
Troubleshooting (FAQ)
Problem
Possible Solution
Power LED is not ON
• 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.
The power LED lights amber
and there is no screen image
• 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.
Screen image is too light or
dark
• Adjust the Contrast and Brightness settings
via OSD.
Screen image is not centered
or sized properly
• Press the
button for two seconds to
automatically adjust the image.
• Adjust the H-Position or V-Position settings via
OSD.
Screen image bounces or a
wave pattern is present in the
image
• Make sure the signal cable is properly
connected to the monitor and the computer.
• Move electrical devices that may cause
electrical interference.
Screen image has color
defects (white does not look
white)
• 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.
Screen image is blurry or
fuzzy
• Press the
button for two seconds to
automatically adjust the image (for VGA mode
only).
• Adjust the Phase and Clock settings via OSD.
No sound or sound is low
• 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.
HDMI cannot support WQHD • While the PB278Q supports up to 2560 x 1440
WQHD resolutions including DVI-dual link,
HDMI and DisplayPort, some graphics cards
only support up to 1920 x 1200 resolution
content transmission via HDMI. Please check
with your local distributor or retailer on the
hardware limitations of your laptop or desktop.