Setup Utility—Utility Task Actions ...................................................................................... 29
4 Diagnostics and Troubleshooting
LEDs ................................................................................................................................................... 30
Power-On Sequence .......................................................................................................................... 31
Power-On Diagnostic Tests ................................................................................................................ 31
Beep Codes ........................................................................................................................................ 32
POST Error Messages ....................................................................................................................... 32
Troubleshooting .................................................................................................................................. 33
Basic Troubleshooting ....................................................................................................... 33
Diskless (No-Flash) Unit Troubleshooting ......................................................................... 34
Troubleshooting Flowcharts ............................................................................................... 36
Initial Troubleshooting ....................................................................................... 36
Initial Troubleshooting Part 2 ............................................................................ 37
No Power, Part 1 ............................................................................................... 38
No Power, Part 2 ............................................................................................... 39
No Power, Part 3 ............................................................................................... 40
No Video, Part 1 ................................................................................................ 41
No Video, Part 2 ................................................................................................ 42
No Video, Part 3 ................................................................................................ 43
No Video, Part 4 ................................................................................................ 44
Error Messages ................................................................................................. 45
NO OS Loading ................................................................................................. 46
OS Not Loading from Flash ............................................................................... 47
Non-Functioning Pointing Device or Keyboard ................................................. 48
No Internal Network Connection ....................................................................... 49
No Audio ........................................................................................................... 50
No IP Address ................................................................................................... 51
Booting in Continuous Loop .............................................................................. 52
5 Restoring the Flash Image
System Requirements ........................................................................................................................ 53
Getting Started ................................................................................................................................... 53
Creating an ISO Image ....................................................................................................................... 54
Formatting a USB Flash Drive ............................................................................................................ 54
Unpacking the Image and Tools for Deployment ............................................................................... 55
Deploying with PXE ............................................................................................................................ 55
Appendix A Adding an Image Restore Tool
Appendix B Configuring a PXE Server
Prerequisites ...................................................................................................................................... 57
Installing Remote Installation Services (RIS PXE Server) ................................................................. 57
vi
Summary of Contents for vc4820T - Thin Client
Page 1: ...Troubleshooting Guide HP vc4820T and vc4825T Thin Clients ...
Page 4: ...iv About This Book ...
Page 8: ...viii ...
Page 27: ...Table 2 3 Configuring Serial Port Power continued Configuring Powered Serial Ports 19 ...
Page 28: ...Table 2 3 Configuring Serial Port Power continued 20 Chapter 2 Hardware Changes ...
Page 29: ...Table 2 3 Configuring Serial Port Power continued Configuring Powered Serial Ports 21 ...
Page 30: ...Table 2 3 Configuring Serial Port Power continued 22 Chapter 2 Hardware Changes ...
Page 31: ...Table 2 3 Configuring Serial Port Power continued Configuring Powered Serial Ports 23 ...
Page 32: ...Table 2 3 Configuring Serial Port Power continued 24 Chapter 2 Hardware Changes ...
Page 71: ...Select Image to Update 63 ...
