Maintenance and Service Guide HP ProDesk 400 G1 Microtower HP ProDesk 480 G1 Microtower HP ProDesk 490 G1 Microtower HP ProDesk 400 G1 Small Form Factor

Small form factor
Drive configuration may vary by model. Some models have a bezel blank covering one or more drive
bays.
1 Slim Optical Drive (optional) 5 Headphone Connector
2 USB 2.0 Ports (black) 6 Dual-State Power Button
3 USB 3.0 Ports (blue) 7 Hard Drive Activity Light
4 Microphone Connector 8 3.5-inch Media Card Reader (optional)
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.
4 Chapter 1 Product features