HP ZBook x2 Manual page 8

Additional information ........................................................................................................................................................ 119
viii
HP Smart Adapter warning message ........................................................................................ 96
Incorrect time and date ................................................................................................................ 97
Display ................................................................................................................................................................. 97
Display anomalies ......................................................................................................................... 97
Symptom ................................................................................................................... 97
Quick check ................................................................................................................ 98
HP PC Hardware Diagnostics (UEFI) for video test .............................................. 98
Display assembly diagram ...................................................................................... 99
Dead pixel ....................................................................................................................................... 99
No video (internal) ........................................................................................................................ 99
No video (external) ..................................................................................................................... 100
DisplayPort/VGA ......................................................................................................................... 100
HDMI ............................................................................................................................................. 100
No or bad external video via docking ...................................................................................... 101
Incorrect or missing color/distorted image ............................................................................ 101
Touch screen ............................................................................................................................... 102
I/O devices ........................................................................................................................................................ 103
Keyboard ...................................................................................................................................... 103
Keyboard point stick .................................................................................................................. 104
Keyboard backlight .................................................................................................................... 104
TouchPad ..................................................................................................................................... 105
Network connectivity wireless (WLAN) ................................................................................... 105
WWAN ........................................................................................................................................... 106
USB ............................................................................................................................................... 107
Smart card reader ...................................................................................................................... 108
Speaker, headphone - audio issues ........................................................................................ 109
Thunderbolt (TB) ......................................................................................................................... 110
Storage ............................................................................................................................................................. 111
Hard drive/solid-state drive not recognized .......................................................................... 112
No boot to operating system (no read/write error) .............................................................. 112
Read-write error ......................................................................................................................... 113
Slow performance ...................................................................................................................... 113
Blue screen (BSOD) error ........................................................................................................... 114
Noisy hard drive .......................................................................................................................... 114
Mechanical ........................................................................................................................................................ 115
Fan error message - 90B ............................................................................................................. 49
Noise (sound) .............................................................................................................................. 116
Fan runs constantly .................................................................................................................... 117
Thermal shutdown (hot) ........................................................................................................... 118
Stuck power button .................................................................................................................... 119