HP ZBook 17 G4 Mobile Workstation Maintenance And Service Manual page 10

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BIOS password .............................................................................................................. 106
Performance (OS) ............................................................................................................................ 106
Intermittent shutdown ................................................................................................. 107
Blue screen .................................................................................................................... 108
Freeze at Windows Logo (hang/lockup) ....................................................................... 110
Electromagnetic Interference (EMI) .............................................................................. 111
No wake up .................................................................................................................... 112
Unresponsive ................................................................................................................ 113
Slow performance ......................................................................................................... 113
HP Smart Adapter warning message ........................................................................... 114
Incorrect time and date ................................................................................................ 114
Display ............................................................................................................................................. 115
Display anomalies ......................................................................................................... 115
Symptom .................................................................................................... 115
Quick check ................................................................................................. 116
HP PC Hardware Diagnostics (UEFI) for video test ..................................... 116
Display assembly diagram ......................................................................... 117
Dead pixel ..................................................................................................................... 117
No video (internal) ........................................................................................................ 117
No video (external) ....................................................................................................... 118
DisplayPort/VGA ........................................................................................................... 118
HDMI .............................................................................................................................. 118
No or bad external video via docking ........................................................................... 119
Incorrect or missing color/distorted image .................................................................. 119
Touch screen ................................................................................................................. 120
I/O devices ....................................................................................................................................... 121
Keyboard ....................................................................................................................... 121
Keyboard point stick ..................................................................................................... 122
Keyboard backlight ....................................................................................................... 122
TouchPad ....................................................................................................................... 123
Network Connectivity Ethernet (RJ-45 jack) ................................................................ 123
Network connectivity wireless (WLAN) ........................................................................ 124
WWAN ............................................................................................................................ 125
USB ................................................................................................................................ 126
Smart card reader ......................................................................................................... 127
Speaker, headphone - audio issues .............................................................................. 128
Thunderbolt (TB) ........................................................................................................... 129
Thunderbolt 3 dock ....................................................................................................... 130
Storage ............................................................................................................................................ 131
Hard drive/solid-state drive not recognized ................................................................ 133
No boot to operating system (no read/write error) ..................................................... 133