Maintenance and Service Guide

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 ........................................................................................................ 56
Audio board ....................................................................................................................................... 58
Fingerprint reader module ................................................................................................................ 59
Power button board .......................................................................................................................... 60
System board .................................................................................................................................... 61
Speakers ............................................................................................................................................ 64
Display assembly ............................................................................................................................... 65
Top cover/keyboard ........................................................................................................................... 69
6 Interpreting system validation diagnostic front panel LEDs and audible codes ................................................. 71
7 Troubleshooting guide ................................................................................................................................. 73
Resources ............................................................................................................................................................. 74
General troubleshooting steps ............................................................................................................................ 74
Identify the issue ............................................................................................................................... 75
1. Understand the issue .................................................................................................. 75
Boot up sequence ......................................................................................... 75
Failure classication ..................................................................................... 75
2. Examine the environment .......................................................................................... 77
3. Perform a visual inspection of hardware ................................................................... 78
4. Update BIOS and drivers ............................................................................................. 78
Manually updating BIOS and drivers ............................................................ 78
Remotely deploying BIOS and drivers .......................................................... 78
Analyze the issue ............................................................................................................................... 78
5. Remove or uninstall recently added hardware, software .......................................... 78
6. HP Hardware Diagnostics and Tools ........................................................................... 79
HP PC Hardware Diagnostics (UEFI) ............................................................. 79
HP Support Assistant (HPSA) ....................................................................... 81
HP BIOS Conguration Utility (BCU) ............................................................. 82
HP Image Diagnostic Tool ............................................................................. 82
HP Thermal Monitor ..................................................................................... 82
Non HP diagnostics tools ............................................................................. 82
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