Envision Peripherals G2219 manual Technical Support FAQ, Blue

TECHNICAL SUPPORT (FAQ)

Problem & Question	Possible Solution
Power LED is not on	*Check if the Power Switch is in the ON
	position
	*Power Cord should be connected
	*Check if the PC system is Plug & Play
	compatible
No Plug & Play	*Check if the Video Card is Plug & Play
	compatible
	*Check if the D-15 plug pin of Video
	Cable is bent
Picture is fuzzy	*Adjust the Contrast and Brightness
	Controls.
Picture bounces or a wave	*Move electrical devices that may cause
pattern is present in the picture	electrical interference.
	*Computer Power Switch should be in
	the ON position.
	*Computer Video Card should be snugly
	seated in its slot.
	*Make sure monitor’s video cable is
The power LED is ON (orange)	properly connected to the computer.
	*Inspect monitor’s video cable and make
but there’s no video or no
	sure none of the pins are bent.
picture.
	*Make sure computer is operational by
	hitting the CAPS LOCK key on the
	keyboard while observing the CAPS
	LOCK LED. The LED should either turn
	ON or OFF after hitting the CAPS
	LOCK key.
Missing one of the primary	*Inspect the monitor’s video cable and
colors (RED, GREEN, or	make sure that none of the pins are
BLUE)	bent.
Screen image is not centered or	*Adjust pixel frequency (CLOCK) and
sized properly.	FOCUS or press hot-key (AUTO).
Picture has color defects	*Adjust RGB color or select color
(white does not look white)	temperature.
	*When the brightness of the screen
	lowers after being used for a certain
Poor brightness or contrast	period and the function of the display is
	affected, send it to our authorized service
	center for repair.
Horizontal or vertical	*Use win 95/98/2000/ME/XP shut-down
	mode Adjust CLOCK and FOCUS or
disturbances on the screen
	perform hot- key (AUTO-key).

CLOCK (pixel frequency) controls the number of pixels scanned by one horizontal sweep. If the frequency is not correct, the screen shows vertical stripes and the picture has not correct width.

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