HP ZBook 17 G5 - Page 10

POST ................................................................................................................................................ 126
No video (with power) ................................................................................................... 126
Blinking lights ............................................................................................................... 127
Diagnostics error messages ......................................................................................... 127
BIOS password .............................................................................................................. 129
Performance (OS) ............................................................................................................................ 129
Intermittent shutdown ................................................................................................. 130
Blue screen .................................................................................................................... 131
Freeze at Windows Logo (hang/lockup) ....................................................................... 133
Electromagnetic Interference (EMI) .............................................................................. 134
No wake up .................................................................................................................... 135
Unresponsive ................................................................................................................ 136
Slow performance ......................................................................................................... 136
HP Smart Adapter warning message ........................................................................... 137
Incorrect time and date ................................................................................................ 137
Display ............................................................................................................................................. 138
Display anomalies ......................................................................................................... 138
Symptom .................................................................................................... 138
Quick check ................................................................................................. 139
HP PC Hardware Diagnostics (UEFI) for video test ..................................... 139
Display assembly diagram ......................................................................... 140
Dead pixel ..................................................................................................................... 140
No video (internal) ........................................................................................................ 140
No video (external) ....................................................................................................... 141
DisplayPort/VGA ........................................................................................................... 141
HDMI .............................................................................................................................. 141
No or bad external video via docking ........................................................................... 142
Incorrect or missing color/distorted image .................................................................. 142
Touch screen ................................................................................................................. 143
I/O devices ....................................................................................................................................... 144
Keyboard ....................................................................................................................... 144
Keyboard point stick ..................................................................................................... 145
Keyboard backlight ....................................................................................................... 145
TouchPad ....................................................................................................................... 146
Network Connectivity Ethernet (RJ-45 jack) ................................................................ 146
Network connectivity wireless (WLAN) ........................................................................ 147
WWAN ............................................................................................................................ 148
USB ................................................................................................................................ 149
Smart card reader ......................................................................................................... 150
Speaker, headphone - audio issues .............................................................................. 151
Thunderbolt (TB) ........................................................................................................... 152
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