HP Elite x2 G8 Maintenance And Service Manual page 6

Packaging and transporting guidelines ..........................................................................................................................37
Accessing support information .......................................................................................................................................37
5 Removal and replacement procedures for Customer Self-Repair parts.............................................................................40
Component replacement procedures..............................................................................................................................40
Preparation for disassembly ...................................................................................................................................40
Kickstand..................................................................................................................................................................40
6 Removal and replacement procedures for authorized service provider parts...................................................................42
Component replacement procedures..............................................................................................................................42
Preparation for disassembly ...................................................................................................................................42
Display panel............................................................................................................................................................42
Battery .....................................................................................................................................................................46
Solid-state drive ......................................................................................................................................................48
SIM card holder board ..............................................................................................................................................49
Kickstand hinges......................................................................................................................................................50
WWAN module .........................................................................................................................................................51
POGO connector .......................................................................................................................................................53
Camera module........................................................................................................................................................53
Speakers with antennas ..........................................................................................................................................55
Antenna removal......................................................................................................................................................59
Power button board .................................................................................................................................................60
Volume board...........................................................................................................................................................61
Fingerprint reader board .........................................................................................................................................62
System board ...........................................................................................................................................................63
Heat sink with fan ....................................................................................................................................................66
7 Troubleshooting guide.........................................................................................................................................................68
Resources.........................................................................................................................................................................68
General troubleshooting steps........................................................................................................................................69
Identify the issue .....................................................................................................................................................69
1. Understand the issue...................................................................................................................................69
Boot up sequence.....................................................................................................................................70
Failure classification ................................................................................................................................70
2. Examine the environment ...........................................................................................................................72
3. Perform a visual inspection of hardware ....................................................................................................72
4. Update BIOS and drivers ..............................................................................................................................72
Manually updating BIOS and drivers........................................................................................................73
Remotely deploying the BIOS and drivers ...............................................................................................73
Analyze the issue .....................................................................................................................................................73
5. Remove or uninstall recently added hardware, software ...........................................................................73
6. HP Hardware Diagnostics and Tools............................................................................................................73
HP PC Hardware Diagnostics (UEFI) .........................................................................................................73
HP BIOS Configuration Utility (BCU) .........................................................................................................75
HP Image Diagnostic Tool ........................................................................................................................75
HP Thermal Monitor.................................................................................................................................75
Non HP diagnostics tools .........................................................................................................................76
7. Status lights, blinking light codes, troubleshooting lights, and POST error messages .............................76
Status lights .............................................................................................................................................76
Blinking light codes..................................................................................................................................77
POST error messages...............................................................................................................................77
Resolve the issue .....................................................................................................................................................78
8. Hard reset.....................................................................................................................................................78
9. Soft reset (Default Settings)........................................................................................................................79
10. Reseat cables and connections .................................................................................................................80
11. Test with minimum configuration .............................................................................................................80
Essential hardware configuration............................................................................................................81
Safe mode ................................................................................................................................................81
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