HP ZBook 15v G5 Maintenance And Service Manual page 6

6 Interpreting system validation diagnostic front panel LEDs and audible codes ................................................. 73
7 Troubleshooting guide ................................................................................................................................. 75
Resources ............................................................................................................................................................. 76
General troubleshooting steps ............................................................................................................................ 76
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Battery ............................................................................................................................................... 40
WLAN module .................................................................................................................................... 42
Memory module ................................................................................................................................ 44
Solid-state drive (SSD) ...................................................................................................................... 46
Hard drive .......................................................................................................................................... 48
Card reader board .............................................................................................................................. 50
Fans ................................................................................................................................................... 51
Heat sink ............................................................................................................................................ 53
TouchPad board ................................................................................................................................. 55
USB board and security bracket ........................................................................................................ 57
Audio board ....................................................................................................................................... 59
Fingerprint reader module ................................................................................................................ 60
Power button board .......................................................................................................................... 61
System board .................................................................................................................................... 63
Speakers ............................................................................................................................................ 66
Display assembly ............................................................................................................................... 67
Top cover/keyboard ........................................................................................................................... 71
Identify the issue ............................................................................................................................... 77
1. Understand the issue .................................................................................................. 77
Boot up sequence ......................................................................................... 77
Failure classification ..................................................................................... 77
2. Examine the environment .......................................................................................... 79
3. Perform a visual inspection of hardware ................................................................... 80
4. Update BIOS and drivers ............................................................................................. 80
Manually updating BIOS and drivers ............................................................ 80
Remotely deploying BIOS and drivers .......................................................... 80
Analyze the issue ............................................................................................................................... 80
5. Remove or uninstall recently added hardware, software .......................................... 80
6. HP Hardware Diagnostics and Tools ........................................................................... 81
HP PC Hardware Diagnostics (UEFI) ............................................................. 81
HP Support Assistant (HPSA) ....................................................................... 83
HP BIOS Configuration Utility (BCU) ............................................................. 84
HP Image Diagnostic Tool ............................................................................. 84
HP Thermal Monitor ..................................................................................... 84
Non HP diagnostics tools ............................................................................. 84