HP ZBook Studio G4 Maintenance And Service Manual page 8

6 Troubleshooting guide ................................................................................................................................. 63
Resources ............................................................................................................................................................. 64
General troubleshooting steps ............................................................................................................................ 64
viii
Bottom cover ..................................................................................................................................... 29
Solid-state drive (M.2) ....................................................................................................................... 31
WLAN module .................................................................................................................................... 33
Memory module ................................................................................................................................ 35
RTC battery ........................................................................................................................................ 37
Thermal module ................................................................................................................................ 38
Battery ............................................................................................................................................... 41
Fingerprint reader board ................................................................................................................... 42
LED board .......................................................................................................................................... 43
TouchPad ........................................................................................................................................... 44
Display cable ..................................................................................................................................... 45
System board .................................................................................................................................... 46
I/O support bracket ........................................................................................................................... 49
Speakers ............................................................................................................................................ 50
Keyboard ........................................................................................................................................... 51
Display assembly ............................................................................................................................... 53
Top cover ........................................................................................................................................... 62
Identify the issue ............................................................................................................................... 65
1. Understand the issue .................................................................................................. 65
Boot up sequence ......................................................................................... 65
Failure classification ..................................................................................... 65
2. Examine the environment .......................................................................................... 67
3. Perform a visual inspection of hardware ................................................................... 68
4. Update BIOS and drivers ............................................................................................. 68
Manually updating BIOS and drivers ............................................................ 68
Remotely deploying BIOS and drivers .......................................................... 68
Analyze the issue ............................................................................................................................... 68
5. Remove or uninstall recently added hardware, software .......................................... 68
6. HP Hardware Diagnostics and Tools ........................................................................... 69
HP PC Hardware Diagnostics (UEFI) ............................................................. 69
HP Support Assistant (HPSA) ....................................................................... 71
HP BIOS Configuration Utility (BCU) ............................................................. 72
HP Image Diagnostic Tool ............................................................................. 72
HP Thermal Monitor ..................................................................................... 72
Non HP diagnostics tools ............................................................................. 72
7. Status lights, blinking light codes, troubleshooting lights, and POST error
messages ........................................................................................................................ 73