Front Panel Components - HP ProDesk 400 G3 Small Form Factor Maintenance And Service Manual

Front panel components

Drive configuration may vary by model. Some models have a bezel blank covering the slim optical drive bay.
1 Slim Optical Drive (optional)
2 SD Card Reader (optional)
3 USB 3.0 Ports (blue)
4 Microphone Connector
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
audible codes on page 92
2 Chapter 1 Product features
POST error messages and diagnostic front panel LEDs and
to interpret the code.
5 Headphone Connector
6 Hard Drive Activity Light
7 Dual-State Power Button