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24
9. Troubleshooting & FAQs
• 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
beenturnedo.
• 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 LCD
panel technology. In most cases, the
"burn-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 LCD
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-imaging” or “ghost imaging”
symptoms that 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 Service
contact information listed in Important
information manual and contact Philips
customer service representative.
* Functionality dierent according to
display.
9.2 General FAQs
Q1: When I install my monitor what
should I do if the screen shows
'Cannot display this video mode'?
Ans.: Recommended resolution
for this monitor: 1920 x 1080
(272S9JAL)/2560 x 1440
(275S9JAL).
• Unplug all cables, then connect your
PC to the monitor that you used
previously.
• In the Windows Start Menu, select
Settings/Control Panel. In the Control
Panel Window, select the Display icon.
Inside the Display Control Panel, select
the 'Settings' tab. Under the setting
tab, in box labelled 'desktop area',
move the sidebar to 1920 x 1080
(272S9JAL)/2560 x 1440 (275S9JAL)
pixels.
• Open 'Advanced Properties' and set
the Refresh Rate to 60 Hz, then click
OK.
• Restart your computer and repeat step
2 and 3 to verify that your PC is set at
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