Philips 439P1 42.5" 4K HDR USB Type-C Docking Monitor - Manual (Page 34)

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10. Troubleshooting & FAQs
10. Troubleshooting &
FAQs
10.1 Troubleshooting
This page deals with problems that can
be corrected by a user. If the problem
still persists after you have tried these
solutions, contact Philips customer
service representative.
Common Problems
No Picture (Power LED not lit)
• Make sure the power cord is
plugged into the power outlet and
into the back of the monitor.
• First, ensure that the power button
on the rear side of the display is in
the OFF position, then press it to
the ON position.
No Picture (Power LED is White)
• Make sure the computer is turned
on.
• Make sure the signal cable is
properly connected to your
computer.
• Make sure the monitor cable has
no bent pins on the connect side. If
yes, repair or replace the cable.
• The Energy Saving feature may be
activated
Screen says
  
• Make sure the monitor cable
is properly connected to your
computer. (Also refer to the Quick
Start Guide).
• Check to see if the monitor cable
has bent pins.
• Make sure the computer is turned
on.
AUTO button doesn't function
• The auto function is applicable only
in VGA-Analog mode. If the result is
not satisfactory, you can do manual
adjustments via the OSD menu.
Note
The Auto Function is not applicable in
DVI-Digital mode as it is not necessary.
Visible signs of smoke or sparks
• Do not perform any troubleshooting
steps
• Disconnect the monitor from mains
power source immediately for safety
• Contact with Philips customer
service representative immediately.
Imaging Problems
Image is not centered
• Adjust the image position using
the “Auto” function in OSD Main
Controls.
• Adjust the image position using the
Phase/Clock of Setup in OSD Main
Controls. It is valid only in VGA
mode.
Image vibrates on the screen
• Check that the signal cable is
properly securely connected to the
graphics board or PC.
Vertical flicker appears
• Adjust the image using the “Auto”
function in OSD Main Controls.
• Eliminate the vertical bars using
the Phase/Clock of Setup in OSD