ViewSonic VP2290B manual ViewSonic VP2290b

The screen is blank	The display mode of	• Reconfigure the computer to use a supported
and the power	the computer is	display mode.
indicator is blinking	outside the range of	• The video graphics card is defective. Replace
amber every second	the display	it.
		• The computer is defective. Replace it.
The screen is blank	The display fan is not	• Make sure that the power cord is firmly
and the power	working	plugged into the electrical outlet.
indicator is blinking		• Make sure that the power adapter cord is firmly
amber every 0.25		connected. If the symptom remains, call your
second		retailer or ViewSonic.
		• The video graphics card is defective. Replace
		it.
		• The computer is defective. Replace it.
The image appears to	There are noises in	• Make sure that the signal cable is firmly
be smeared	the video signal	connected.
		• Make sure that no pins are bent in the signal
		cable connector.
		• The video graphics card is defective. Replace
		it.
		• The computer is defective. Replace it.
A few dots are	The LCD contains over 27,000,000 thin-film transistors (TFTs). A small
missing, discolored,	number of dots may be missing, discolored, or lighted on the screen. This
or inappropriately	is an intrinsic characteristic of the TFT LCD technology and is not an LCD
lighted	defect.

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