Problem

Possible

Solution

 

cause

 

 

 

 

Black spots

Black spots are

Several pixels (red, green, white, or black color) might appear on the screen, which can

appear on the

characteristics

be attributable to the unique characteristics of the LCD panel. It is not a malfunction of

screen.

of the LCD

the LCD.

 

panel.

 

 

 

 

The power is

Sleep timer

Check that the sleep timer is set.

suddenly turned

setting is turned

Check the power control settings.

off.

on, or power is

 

 

interrupted.

 

 

 

 

Using the Web

For online access to technical support information, self-solve tools, online assistance, community forums of IT experts, broad mutli-vendor knowledge base, monitoring and diagnostic tools, go to www.hp.com/support

Preparing to call technical support

If you cannot solve a problem using the troubleshooting tips in this section, you might need to call technical support. Contact your regional HP authorized service provider. Have the following information available when you call:

●Display model number

●Serial number for the display

●Purchase date on invoice

●Conditions under which the problem occurred

●Error messages received

●Hardware configuration

●Hardware and software you are using

48 Appendix A Troubleshooting

ENWW