Philips 221S3UCB user manual General FAQs, solvents such as ethyl alcohol, ethanol

7.Troubleshooting & FAQs

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.

For further assistance, refer to the Consumer Information Centers list and contact Philips customer service representative.

7.2	General FAQs
Q1:	Is the LCD screen resistant to
	scratches?

Ans.: In general it is recommended that the panel surface is not subjected to excessive shocks and is protected from sharp or blunt objects.When handling the monitor, make sure that there is no pressure or force applied to the panel surface side. This may affect your warranty conditions.

Q2:	How should I clean the LCD surface?
Ans.:	For normal cleaning, use a clean, soft
	cloth. For extensive cleaning, please use
	isopropyl alcohol. Do not use other
	solvents such as ethyl alcohol, ethanol,
	acetone, hexane, etc.
Q3:	Are Philips LCD monitors Plug-and-
	Play?
Ans.:	Yes, the monitors are Plug-and-Play
	compatible with Windows 7/Vista/XP
Q4:	What is Image Sticking, or Image Burn-
	in, or After Image, or Ghost Image in
	LCD panels?
Ans.:	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 "burned in" or

"atter-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.

Warning

Failure to activate a screen saver, or a periodic screen refresh application my 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.

Q5: Why is my Display not showing sharp text, and is displaying jagged characters?

Ans.: Your LCD monitor works best at its native resolution of 1920 x 1080 @ 60 Hz. For best display, please use this resolution.

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