Philips 248X3LF Manuale Utente

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8. Troubleshooting & FAQs
8.1 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 
 
front of the monitor is in the OFF position, 
then press it to the ON position.
No Picture (Power LED is white blinking)
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 Main Controls. It is 
valid only in VGA mode.
8  Troubleshooting & FAQs