HP ZBook 15u G5 Maintenance And Service Manual page 8

5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 36
Component replacement procedures .................................................................................................................. 36
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 49
Component replacement procedures .................................................................................................................. 49
7 Interpreting system validation diagnostic front panel LEDs and audible codes ................................................. 83
8 Troubleshooting guide ................................................................................................................................. 85
Resources ............................................................................................................................................................. 86
General troubleshooting steps ............................................................................................................................ 86
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Bottom cover ..................................................................................................................................... 36
Solid-state drive (SSD) ...................................................................................................................... 38
Memory modules ............................................................................................................................... 40
WLAN/Bluetooth combo card ............................................................................................................ 42
WWAN module ................................................................................................................................... 44
Keyboard ........................................................................................................................................... 46
Battery ............................................................................................................................................... 50
Heat sink assembly ........................................................................................................................... 52
RTC battery ........................................................................................................................................ 55
USB board .......................................................................................................................................... 56
RJ-45 board with bracket .................................................................................................................. 57
Power button board .......................................................................................................................... 58
Speaker assembly ............................................................................................................................. 59
Fingerprint reader assembly ............................................................................................................. 60
TouchPad ........................................................................................................................................... 61
Pointing stick module ........................................................................................................................ 63
NFC module ....................................................................................................................................... 64
Smart card reader .............................................................................................................................. 65
Fan ..................................................................................................................................................... 66
System board .................................................................................................................................... 68
Display assembly ............................................................................................................................... 72
Top cover ........................................................................................................................................... 82
Identify the issue ............................................................................................................................... 87
1. Understand the issue .................................................................................................. 87
Boot up sequence ......................................................................................... 87
Failure classification ..................................................................................... 87
2. Examine the environment .......................................................................................... 89
3. Perform a visual inspection of hardware ................................................................... 90
4. Update BIOS and drivers ............................................................................................. 90