HP 55 User Manual download pdf (Page 11)

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HP 15” Color Monitor User’s Guide

Troubleshooting

Before calling Hewlett-Packard check the following items:

No picture and LED is off.

No picture and LED is off.No picture and LED is off.

No picture and LED is off.

• Check if monitor is switched ON.

• Check if power cord is properly connected.

• Check if electrical outlet is connected.

• Test if monitor works on another computer previously set to

monitor’s supported resolution.

No picture and LED is on.

No picture and LED is on.No picture and LED is on.

No picture and LED is on.

• Check if monitor is not in power saving mode.

• Adjust contrast and brightness through the On-Screen Menu

(OSD) using the control buttons.

• Check if computer is switched on.

• Check if video cable has no bent pins.

Colors are not pure.

Colors are not pure.Colors are not pure.

Colors are not pure.

•

Shut down your monitor and switch it on after 30 minutes.

Picture is not centered.

Picture is not centered.Picture is not centered.

Picture is not centered.

•

Adjust picture through the On-Screen Menu (OSD) using the

control buttons.

Picture is fuzzy.

Picture is fuzzy.Picture is fuzzy.

Picture is fuzzy.

• Use the Recall function.

•

Reduce contrast through the On-Screen Menu (OSD) using the

control buttons.

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HP 55 User Manual Page 11