Memory modules
...............................................................................................................................
26
WLAN module
....................................................................................................................................
27
Solid-state drive
................................................................................................................................
29
6
Removal and replacement procedures for authorized service provider parts
....................................................
31
Component replacement procedures
..................................................................................................................
31
Preparation for disassembly
.............................................................................................................
31
Fan
.....................................................................................................................................................
31
Heat sink
............................................................................................................................................
32
Speakers
............................................................................................................................................
33
Fingerprint reader board
...................................................................................................................
34
NFC module
.......................................................................................................................................
35
Touchpad
...........................................................................................................................................
36
RTC battery
........................................................................................................................................
37
System board
....................................................................................................................................
38
Display assembly
...............................................................................................................................
40
Keyboard with top cover
...................................................................................................................
46
7
Troubleshooting guide
.................................................................................................................................
48
Resources
.............................................................................................................................................................
48
General troubleshooting steps
............................................................................................................................
49
Identify the issue
...............................................................................................................................
49
1. Understand the issue
..................................................................................................
49
Boot up sequence
.........................................................................................
49
Failure classification
.....................................................................................
50
2. Examine the environment
..........................................................................................
52
3. Perform a visual inspection of hardware
...................................................................
52
4. Update BIOS and drivers
.............................................................................................
52
Manually updating BIOS and drivers
............................................................
52
Remotely deploying the BIOS and drivers
....................................................
53
Analyze the issue
...............................................................................................................................
53
5. Remove or uninstall recently added hardware, software
..........................................
53
6. HP Hardware Diagnostics and Tools
...........................................................................
53
HP PC Hardware Diagnostics (UEFI)
.............................................................
53
HP BIOS Configuration Utility (BCU)
..............................................................
55
HP Image Diagnostic Tool
.............................................................................
55
HP Thermal Monitor
.....................................................................................
55
Non HP diagnostics tools
.............................................................................
55
7. Status lights, blinking light codes, troubleshooting lights, and POST error
messages
........................................................................................................................
55
Status lights
..................................................................................................
56
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