HP ZBook Studio G5 Mobile Workstation User Manual Page 132
- Page / 192
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Keyboard point stick
Items Procedures
Symptom
Point stick not working properly
Possible causes
Dust trapped under point stick, loose point stick cap.
Troubleshooting steps
1. Inspect any signs of dust, liquid spill that prevent point stick from working.
2. Check whether point stick cap is loose and reseat it if necessary.
The sections below are intended for authorized service providers/technicians.
Example of back of keyboard, including
keyboard, point stick, and backlight
cables.
1. Verify whether keyboard ex cables are in good condition (no delamination or torn
cable end, no missing or cracked tracks, pads).
2. Verify keyboard ex cable ends are fully inserted and aligned with connectors on
system board and back of keyboard and that connector tabs are properly closed.
3. Reseat point stick cables.
Keyboard backlight
Items Procedures
Symptom
Backlight function not working
properly
Possible causes
Backlight disabled, loose connection.
Troubleshooting steps
NOTE: Not all notebook computers have backlit keyboards.
A keyboard function key lets you turn the light on and o. Verify if backlit feature is not
disabled by pressing a combination of Fn + Backlit key.
The sections below are intended for authorized service providers/technicians.
1. Verify if backlight ex cables are in good condition (no delamination or torn cable end,
no missing or cracked tracks, pads).
2. Verify backlight ex cable ends are fully inserted and aligned with connectors on
system board and that connector tabs are properly closed.
3. Reseat backlight cable.
120 Chapter 6 Troubleshooting guide
- Maintenance and Service Guide 1
- Safety warning notice 3
- Table of contents 5
- 1 Product description 13
- 2 Components 18
- 8 Chapter 2 Components 20
- Display 9 21
- Keyboard area 22
- Keyboard area 11 23
- 12 Chapter 2 Components 24
- Special keys 25
- Action keys 26
- Keyboard area 15 27
- 16 Chapter 2 Components 28
- 3 Illustrated parts catalog 30
- Computer major components 19 31
- Computer major components 21 33
- Plastics Kit 34
- Mass storage devices 37
- Bracket Kit 39
- Miscellaneous parts 40
- Tools required 41
- Service considerations 41
- Drive handling 42
- Workstation guidelines 43
- Equipment guidelines 44
- Bottom cover 45
- Description Spare part number 47
- Solid-state drive (M.2) 49
- Optane memory module 51
- Memory module 52
- WWAN modules 56
- WLAN/Bluetooth combo card 58
- Hard drive connector 60
- Fingerprint reader board 61
- NFC module 64
- Bottom speakers 65
- 4. Remove the speaker (4) 66
- Card reader/audio board 67
- Thermal module 68
- Discrete graphics models: 70
- UMA graphics models: 70
- System board 71
- RTC battery 75
- Power button board 76
- Top speaker 78
- Display assembly 79
- Top cover/keyboard 88
- 6 Troubleshooting guide 89
- Resources 90
- General troubleshooting steps 90
- Identify the issue 91
- 2. Examine the environment 93
- Analyze the issue 94
- Table 6-5 Boot-error codes 100
- Resolve the issue 101
- 13. Replace the system board 104
- Helpful Hints 105
- During operation 106
- Consulting with HP Service 107
- Power-on issues 107
- AC adapter issue 110
- Battery discharges too fast 112
- Burnt smell 112
- No video (with power) 113
- Blinking lights 114
- Diagnostics error messages 114
- Performance (OS) 116
- Intermittent shutdown 117
- Blue screen 118
- No wake up 122
- Unresponsive 123
- Slow performance 123
- Display anomalies 124
- Dead pixel 127
- No video (internal) 127
- No video (external) 128
- DisplayPort/VGA 128
- Touch screen 130
- I/O devices 131
- Keyboard point stick 132
- Keyboard backlight 132
- TouchPad 133
- Smart card reader 136
- Thunderbolt (TB) 138
- Read-write error 141
- Blue screen (BSOD) error 141
- Noisy hard drive 142
- Mechanical 143
- Noise (sound) 144
- Fan runs constantly 145
- Thermal shutdown (hot) 146
- Stuck power button 146
- Additional information 147
- Processor not executing code 148
- Memory module error 148
- Failure - System Board Error 149
- Additional information 139 151
- Error message list 152
- Bug check symbolic names 152
- Use Windows Debugging Tool 153
- 6. Open the crash dump le 156
- Lookup for Bug Check 0xC2 157
- Additional information 145 157
- Cable management 159
- Connector types 160
- Using Computer Setup 162
- Updating the BIOS 163
- Downloading a BIOS update 164
- Using Windows tools 171
- Before you begin 172
- Creating the recovery media 172
- Restoring and recovery 173
- 10 Specications 176
- Nonvolatile memory usage 181
- Questions and answers 183
- 13 Recycling 188
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