HP ZBook Studio G 315-ap000 – 15ap099 Maintenance And Service Manual page 10

x
Slow performance ........................................................................................................... 96
HP Smart Adapter warning message .............................................................................. 97
Incorrect time and date ................................................................................................... 97
Display ............................................................................................................................................... 98
Display anomalies ........................................................................................................... 98
Symptom ...................................................................................................... 98
Quick check ................................................................................................... 99
HP PC Hardware Diagnostics (UEFI) for video test ....................................... 99
Display assembly diagram ......................................................................... 100
Dead pixel ..................................................................................................................... 100
No video (internal) ........................................................................................................ 100
No video (external) ....................................................................................................... 101
DisplayPort/VGA ........................................................................................................... 101
HDMI .............................................................................................................................. 101
No or bad external video via docking ........................................................................... 102
Incorrect or missing color/distorted image .................................................................. 102
Touch screen ................................................................................................................. 103
I/O devices ....................................................................................................................................... 104
Keyboard ....................................................................................................................... 104
Keyboard point stick ..................................................................................................... 105
Keyboard backlight ....................................................................................................... 105
TouchPad ....................................................................................................................... 106
Network Connectivity Ethernet (RJ-45 jack) ................................................................ 106
Network connectivity wireless (WLAN) ........................................................................ 107
WWAN ............................................................................................................................ 108
USB ................................................................................................................................ 109
Smart card reader ......................................................................................................... 110
Speaker, headphone - audio issues .............................................................................. 111
Thunderbolt (TB) ........................................................................................................... 112
Storage ............................................................................................................................................ 113
Hard drive/solid-state drive not recognized ................................................................ 114
No boot to operating system (no read/write error) ..................................................... 114
Read-write error ........................................................................................................... 115
Slow performance ......................................................................................................... 115
Blue screen (BSOD) error .............................................................................................. 115
Noisy hard drive ............................................................................................................ 116
Mechanical ....................................................................................................................................... 117
Fan error message - 90B .............................................................................................. 117
Noise (sound) ................................................................................................................ 118
Fan runs constantly ...................................................................................................... 119
Thermal shutdown (hot) ............................................................................................... 120