HP ZBook Studio G5 Mobile Workstation User Manual Page 129
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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No or bad external video via docking
Items Procedures
Symptoms
No or bad image on external monitor
via ports of docking station (VGA, DP,
TB, display port, etc.)
Possible causes
Rooted from system board, software/drivers, dock connectors, docking station hardware/
rmware, dock video ports (DP, VGA, etc).
Troubleshooting steps
1. Be sure that external monitor is powered on.
2. Be sure that external monitor is compatible with the computer.
3. If applicable, plug the dock in dierent Type-C ports.
For more information, see the technical white paper titled ”HP ZBook 65/150/200 W
Thunderbolt 3 Dock User Guide.” Go to http://support.hp.com/, enter your model
number, and then click Manuals > Technical white papers.
4. If the screen image is distorted, try a DP-to-VGA adapter. Connect the adapter to each
DisplayPort and VGA port of the dock.
5. Test the monitor via internal ports (VGA, DP, HDMI, etc.).
6. Verify that dock connectors of the notebook and the dock are clean, without dust,
debris (e.g., using air duster).
7. Ideally, use a veried working operating system/system connected to the dock to
isolate the issue of the current operating system.
8. Ideally, use a veried working docking station to isolate the faulty dock.
9. Update latest dock rmware. Be sure to follow the installation instructions carefully.
You may want to try a DP-to-VGA adapter if you have a distorted screen image. Connect
the adapter to each DisplayPort of the dock. If you still cannot update the dock,
attempt to update it on a conrmed working notebook before having the dock
replaced.
Note See the technical white paper titled “Multiple displays on HP ZBook Mobile Workstations”
from HP platform support website. Go to http://support.hp.com/, enter your model number,
and then click Manuals > Technical white papers.
Incorrect or missing color/distorted image
Items Procedures
Symptoms
System works normally but the display
shows:
●
Missing or strange color
●
Image distortion
Possible causes
Loose connection, display cable, display, graphics card.
Troubleshooting steps
Verify with external monitor (i.e., VGA)
1. Use combination Fn + F4 to enable output to external monitor.
2. Close the lid.
If the external monitor also shows incorrect color, it is graphics card issue. Test with a
veried working graphics card.
Verify display cable and cable connection–Display disassembly is required.
Be sure that external display cables are not pinched or damaged.
Common issues and possible solutions 117
- 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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