Slow performance
...........................................................................................................
98
HP Smart Adapter warning message
..............................................................................
99
Incorrect time and date
...................................................................................................
99
Display
.............................................................................................................................................
100
Display anomalies
.........................................................................................................
100
Symptom
....................................................................................................
100
Quick check
.................................................................................................
101
HP PC Hardware Diagnostics (UEFI) for video test
.....................................
101
Display assembly diagram
.........................................................................
102
Dead pixel
.....................................................................................................................
102
No video (internal)
........................................................................................................
102
No video (external)
.......................................................................................................
103
DisplayPort/VGA
...........................................................................................................
103
HDMI
..............................................................................................................................
103
No or bad external video via docking
...........................................................................
104
Incorrect or missing color/distorted image
..................................................................
104
Touch screen
.................................................................................................................
105
I/O devices
.......................................................................................................................................
106
Keyboard
.......................................................................................................................
106
Keyboard point stick
.....................................................................................................
107
Keyboard backlight
.......................................................................................................
107
TouchPad
.......................................................................................................................
108
Network Connectivity Ethernet (RJ-45 jack)
................................................................
108
Network connectivity wireless (WLAN)
........................................................................
109
USB
................................................................................................................................
110
Smart card reader
.........................................................................................................
112
Speaker, headphone - audio issues
..............................................................................
113
Thunderbolt (TB)
...........................................................................................................
114
Storage
............................................................................................................................................
115
Hard drive/solid-state drive not recognized
................................................................
116
No boot to operating system (no read/write error)
.....................................................
116
Read-write error
...........................................................................................................
117
Slow performance
.........................................................................................................
117
Blue screen (BSOD) error
..............................................................................................
117
Noisy hard drive
............................................................................................................
118
Mechanical
.......................................................................................................................................
119
Fan error message - 90B
..............................................................................................
119
Noise (sound)
................................................................................................................
120
Fan runs constantly
......................................................................................................
121
Thermal shutdown (hot)
...............................................................................................
122
Stuck power button
......................................................................................................
122
x