Hanns.G HU196D User Manual download pdf (Page 20)

User’s Manual

TECHNICAL SUPPORT (FAQ)

Q & A FOR GENERAL DEFECTIVE

PROBLEM & QUESTION

POSSIBLE SOLUTION

Power LED is not on

*Check if the Power Switch is in the ON position

*Power Cord should be connected

No Plug & Play

*Check if the PC system is Plug & Play compatible

*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

pattern is present in the

picture

*Move electrical devices that may cause electrical

interference.

The power LED is ON

(orange) but there’s no

video or no picture.

*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 properly connected

to the computer.

*Inspect monitor’s video cable and make sure none of

the pins are bent.

*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

colors (RED, GREEN, or

BLUE)

*Inspect the monitor’s video cable and make sure that

none of the pins are bent.

Screen image is not centered

or sized properly.

*Adjust pixel frequency CLOCK and FOCUS or press

hot-key (AUTO)

Picture has color defects

(white does not look white)

*Adjust RGB color or select color temperature

Horizontal or vertical

disturbances on the screen

*Use win 95/98/2000/NT/ME/XP shut-down mode Adjust

CLOCK and FOCUS or perform hot- key (AUTO).

 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.

 FOCUS adjusts the phase of the pixel clock signal. With a wrong phase adjustment the

picture has horizontal disturbances in light picture.

 For FOCUS and CLOCK adjustment use “dot-pattern” or win 95/98/2000/NT/ME/XP

shut-down mode pattern.

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Hanns.G HU196D User Manual Page 20

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