HP t505 Troubleshooting Guide t505 Flexible Thin Client - Page 5

Diagnostics and Troubleshooting, Restoring the Flash Image, Appendix A, Adding an Image Restore Tool

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4 Diagnostics and Troubleshooting ...26 LEDs ...26 Power-On Sequence ...27 Power-On Diagnostic Tests ...27 Beep Codes ...28 POST Error Messages ...28 Troubleshooting ...29 Basic Troubleshooting ...29 Diskless (No-Flash) Unit Troubleshooting 30 Troubleshooting Flowcharts 32 Initial Troubleshooting 32 Initial Troubleshooting Part 2 33 No Power, Part 1 34 No Power, Part 2 35 No Power, Part 3 36 No Video, Part 1 37 No Video, Part 2 38 No Video, Part 3 39 No Video, Part 4 40 Error Messages 41 NO OS Loading 42 OS Not Loading from Flash 43 Non-Functioning Pointing Device or Keyboard 44 No Internal Network Connection 45 No Audio ...46 No IP Address 47 Booting in Continuous Loop 48 5 Restoring the Flash Image ...49 System Requirements ...49 Getting Started ...49 Creating an ISO Image ...50 Formatting a USB Flash Drive ...50 Unpacking the Image and Tools for Deployment 51 Deploying with PXE ...51 Appendix A Adding an Image Restore Tool 52 Appendix B Configuring a PXE Server ...53 Prerequisites ...53 vi

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4
Diagnostics and Troubleshooting
...............................................................................................................
26
LEDs
...................................................................................................................................................
26
Power-On Sequence
..........................................................................................................................
27
Power-On Diagnostic Tests
................................................................................................................
27
Beep Codes
........................................................................................................................................
28
POST Error Messages
.......................................................................................................................
28
Troubleshooting
..................................................................................................................................
29
Basic Troubleshooting
.......................................................................................................
29
Diskless (No-Flash) Unit Troubleshooting
.........................................................................
30
Troubleshooting Flowcharts
...............................................................................................
32
Initial Troubleshooting
.......................................................................................
32
Initial Troubleshooting Part 2
............................................................................
33
No Power, Part 1
...............................................................................................
34
No Power, Part 2
...............................................................................................
35
No Power, Part 3
...............................................................................................
36
No Video, Part 1
................................................................................................
37
No Video, Part 2
................................................................................................
38
No Video, Part 3
................................................................................................
39
No Video, Part 4
................................................................................................
40
Error Messages
.................................................................................................
41
NO OS Loading
.................................................................................................
42
OS Not Loading from Flash
...............................................................................
43
Non-Functioning Pointing Device or Keyboard
.................................................
44
No Internal Network Connection
.......................................................................
45
No Audio
...........................................................................................................
46
No IP Address
...................................................................................................
47
Booting in Continuous Loop
..............................................................................
48
5
Restoring the Flash Image
...........................................................................................................................
49
System Requirements
........................................................................................................................
49
Getting Started
...................................................................................................................................
49
Creating an ISO Image
.......................................................................................................................
50
Formatting a USB Flash Drive
............................................................................................................
50
Unpacking the Image and Tools for Deployment
...............................................................................
51
Deploying with PXE
............................................................................................................................
51
Appendix A
Adding an Image Restore Tool
..................................................................................................
52
Appendix B
Configuring a PXE Server
..........................................................................................................
53
Prerequisites
......................................................................................................................................
53
vi