HP T5125 Troubleshooting Guide - HP Compaq t5000 Series Thin Client, 8th Editi - Page 31

4 Diagnostics and Troubleshooting LEDs Power-On LED LED Status Off When the unit is plugged into the wall socket and the Power LED is off, the unit is powered off. However, the network can trigger a Wake On LAN event in order to perform management functions. Green Displays during boot sequence and while the unit is on. During boot sequence, hardware initialization is processed and startup tests are performed on the following: • Processor initialization • Memory detection and initialization • Video detection and initialization ✎ If one of the tests fails, the unit will simply stop, but the LED will stay on. If the video test fails, the unit beeps. There are no messages sent to video for any of these failed tests. ✎ After the video is initialized, anything that fails will have an error message. ✎ RJ-45 LEDs are located inside the RJ-45 connector on the top, rear panel of the thin client. The LEDs are visible when the connector is installed. Blinking green indicates network activity, and amber indicates a 100MB speed connection. Troubleshooting Guide www.hp.com 4-1