Philips 19S4LSB-27 User Manual
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8. Troubleshooting & FAQs
Horizontal 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.
Image appears blurred, indistinct or too dark
Adjust the contrast and brightness on
•
On-Screen Display.
An "after-image", "burn-in" or "ghost image" 
remains after the power has been turned off.
Uninterrupted display of still or static images
•
over an extended period may cause " burn 
in", also known as "after-imaging " or "ghost 
imaging", on your screen. "Burn-in", "after-
imaging", or "ghost imaging" is a well-known 
phenomenon in monitor panel technology. In 
most cases, the "burned in" or "after-imaging" 
or "ghost imaging" will disappear gradually over 
a period of time after the power has been 
switched off. 
 Always activate a moving screen saver 
•
program when you leave your monitor 
unattended. 
 Always activate a periodic screen refresh 
•
application if your monitor will display 
unchanging static content.
 
•
Failure to activate a screen saver, or a periodic 
screen refresh application may result in severe 
“burn-in” or “after-image” or “ghost image” 
symptoms will not disappear and cannot be 
repaired. The damage mentioned above is not 
covered under your warranty.
Image appears distorted. Text is fuzzy or blurred.
Set the PC’s display resolution to the same
•
mode as monitor’s recommended screen 
native resolution. 
Green, red, blue, dark, and white dots appears on 
the screen
The remaining dots are normal characteristic
•
of the liquid crystal used in today’s technology, 
Please refer the pixel policy for more detail. 
The "power on" light is too strong and is
disturbing
You can adjust “power on” light using the
•
power LED Setup in OSD main Controls.
For further assistance, refer to the Consumer 
Information Centers list and contact Philips 
customer service representative.