HP (Hewlett-Packard) x20LED ユーザーズマニュアル

ENWW

Before you contact customer service, refer to HP Technical Support at:      
http://www.hp.com/support
Select your country/region, and then follow the links to the support page for your 
monitor.

If you cannot solve a problem by using the troubleshooting tips in this section, you 
might have to call technical support. For technical support contact information, refer to 
the printed documentation included with the monitor.
Have the following information available when you call: 

• Monitor model number (located on label on back of monitor)
• Monitor serial number (located on label on back of monitor or in the OSD display 

in the Information menu)

• Purchase date on invoice
• Conditions under which the problem occurred 
• Error messages received 
• Hardware configuration
• Name and version of hardware and software you are using

The rating label on the monitor provides the product number and serial number. You 
may need these numbers when contacting HP about your monitor model.
The rating label is on the back of the monitor.

Horizontal or vertical 
disturbances on the screen

•

Adjust CLOCK and Phase or press the Auto button to 

display ideal setting. To optimize the screen performance for 
VGA input, use the Auto button button on the monitor and 
the auto-adjustment pattern software utility on the CD 
provided. For DVI input, adjust the video graphics card 
installed in the PC.