Hp DreamColor Z27x Professional Display User Manual download pdf (Page 72)

Problem Possible Cause Solution

Displayed colors do not

look correct.

Monitor is not calibrated. Recalibrate monitor or restore factory calibration.

Calibration failed. Incorrect setup or equipment

failure.

Redo calibration.

Button Lockouts

When the Primary OSD or button labels are not displayed, holding specific buttons down for ten

seconds will lock out different parts of the OSD’s functionality. You can restore the functionality by

holding the specific buttons down again for ten seconds. This functionality is only available when the

display is powered and is displaying an active signal.

The following table lists the available lockouts and the buttons that must be held down for ten

seconds to enable and disable the lockout.

Activation Button Lockout Notes

Power button Power lockout When locked out, the power button does not function. The

display can still be turned off via the power switch at the

bottom of the display.

Bottom menu button Menu lockout The Primary OSD cannot be entered. However, any

assigned function buttons (such as switch color space or

input) are still available. Firmware updates and calibration

are still available, unless disabled in the Management

menu.

Top menu button Menu and Function lockout Both the Primary OSD and the function keys are locked

out. Firmware updates and calibration are still available,

unless disabled in the Management menu.

Second and fourth button Management menu lockout The Management menu option is disabled in the Primary

OSD main menu.

64 Appendix B Support and Troubleshooting

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Hp DreamColor Z27x Professional Display User Manual Page 72