HP ZBook 14u G6 - Page 10

No video (with power) ................................................................................................... 103
Blinking lights ............................................................................................................... 105
Diagnostics error messages ......................................................................................... 105
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 ........................................................................... 113
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 ......................................................................... 116
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) ........................................................................ 123
WWAN ............................................................................................................................ 124
USB ................................................................................................................................ 124
Smart card reader ......................................................................................................... 126
Speaker, headphone - audio issues .............................................................................. 127
Thunderbolt (TB) ........................................................................................................... 128
Storage ............................................................................................................................................ 129
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