Cleaning your computer....................................................................................................................................................................................................... 32
Packaging and transporting guidelines..................................................................................................................................................................... 34
Accessing support information ...................................................................................................................................................................................... 35
Component replacement procedures ........................................................................................................................................................................37
Preparation for disassembly...................................................................................................................................................................................37
Bottom cover ......................................................................................................................................................................................................................37
Battery.................................................................................................................................................................................................................................... 39
Memory modules............................................................................................................................................................................................................40
Solid-state drive............................................................................................................................................................................................................... 42
WLAN module.................................................................................................................................................................................................................... 43
RTC battery ......................................................................................................................................................................................................................... 45
Card reader board .........................................................................................................................................................................................................46
NFC module ........................................................................................................................................................................................................................48
Touchpad .............................................................................................................................................................................................................................. 49
Fans ..........................................................................................................................................................................................................................................50
Fingerprint reader board........................................................................................................................................................................................... 52
Sensor board .................................................................................................................................................................................................................... 53
System board .................................................................................................................................................................................................................... 54
Speakers................................................................................................................................................................................................................................57
Heat sink ...............................................................................................................................................................................................................................58
Display assembly............................................................................................................................................................................................................ 59
Top cover with keyboard ............................................................................................................................................................................................66
6 Troubleshooting guide..................................................................................................................................................................................................................68
Resources .......................................................................................................................................................................................................................................68
General troubleshooting steps........................................................................................................................................................................................69
Identify the issue.............................................................................................................................................................................................................69
1. Understand the issue ....................................................................................................................................................................................70
Boot-up sequence ....................................................................................................................................................................................70
Failure classification...............................................................................................................................................................................70
2. Examine the environment..........................................................................................................................................................................72
4. Update BIOS and drivers...........................................................................................................................................................................73
Manually updating BIOS and drivers ..........................................................................................................................................73
Analyze the issue.............................................................................................................................................................................................................73
6. HP Hardware Diagnostics and Tools.................................................................................................................................................73
HP PC Hardware Diagnostics (UEFI)............................................................................................................................................74
HP BIOS Configuration Utility (BCU)............................................................................................................................................75
HP Image Diagnostic Tool ...................................................................................................................................................................76
HP Thermal Monitor.................................................................................................................................................................................76
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