HP ProDesk 400 G1 Desktop Mini - Maintenance and Service Guide

Front panel components
1 Dual-State Power Button 4 Microphone Connector
2 Hard Drive Activity Light 5 Headphone Connector
3 USB 3.0 Ports
NOTE: The Power On Light is normally white when the power is on. If it is flashing red, there is a problem with the
computer and it is displaying a diagnostic code. Refer to
Interpreting POST diagnostic front panel LEDs and audible codes
on page 93 for more information.
2 Chapter 1 Product Features