HP P1230 Manual de usuario descargar pdf (Pagina 22)

Troubleshooting

User’s Guide A–3

Edges of the display

image are not

square.

Geometry settings are

not adjusted correctly.

Use the OSD Geometry

Controls to straighten the

edges.

If possible, position the front

of the monitor facing east.

Thin horizontal lines

appear on your

screen.

Thin horizontal lines are

normal for an aperture

grille CRT and are not a

malfunction. These are

shadows from the

damper wires used to

stabilize the aperture

grille and are most

noticeable when the

screen’s background is

light (usually white).

No action needed.

Black vertical lines

are visible on the

screen.

Grille element overlap

occurred during

shipping.

Position an open white

window over the affected

area of the screen and

maximize the brightness and

contrast controls for a few

minutes. Readjust the

brightness and contrast

controls back to the normal

viewing level after this

procedure.

Problem Possible Cause Solution

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HP P1230 Manual de usuario Pagina 22

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