HP LP2465 24-inch Widescreen LCD Monitor - Manual (Page 29)

Setting Up the Monitor
Locating the Rating Labels
The rating labels on the monitor provide the spare part number,
product number, and serial number. You may need these numbers
when contacting HP about your monitor model. The rating labels
are located on the rear panel of the monitor display head.
Locating the Rating Labels
User Guide 3–17