HP t620 Troubleshooting Manual page 6

Changing BIOS Settings from the HP BIOS Configure Utility (HPBCU) ........................................... 40
Appendix B Diagnostics and Troubleshooting ..................................................................... 42
LEDs ..................................................................................................................................... 42
Wake-on LAN ....................................................................................................................... 43
Power-On Sequence ............................................................................................................... 43
Resetting the Setup and power-on Passwords ............................................................................. 44
Power-On Diagnostic Tests ...................................................................................................... 44
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes ............................................... 45
POST Numeric Codes and Text Messages ................................................................................. 48
Troubleshooting ..................................................................................................................... 50
Configuring a PXE Server ........................................................................................................ 53
Appendix C Restoring the Flash Image ............................................................................... 54
System Requirements .............................................................................................................. 54
Getting Started ...................................................................................................................... 54
Formatting a USB Flash Drive .................................................................................................. 55
Unpacking the Image and Tools for Deployment ........................................................................ 55
Deploying with PXE ................................................................................................................ 56
Appendix D Device management ....................................................................................... 57
Appendix E Adding an Image Restore Tool ........................................................................ 58
Appendix F System BIOS ................................................................................................... 59
Updating or restoring a BIOS .................................................................................................. 59
Appendix G Power cord set requirements .......................................................................... 61
General requirements ............................................................................................................. 61
Japanese power cord requirements .......................................................................................... 61
Country-specific requirements .................................................................................................. 62
Appendix H Statement of Volatility .................................................................................... 63
Appendix I Specifications ................................................................................................... 65
vi
Computer Setup-Power .......................................................................................... 38
Computer Setup-Advanced .................................................................................... 38
Basic Troubleshooting .............................................................................................. 50
Diskless (No-Flash) Unit Troubleshooting ..................................................................... 52