HP ZBook Studio G4 Base Model Mobile Workstation User Manual Page 111
- Page / 182
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting steps
Follow suggested steps below one at a time to verify normal boot process:
1. Disconnect all external peripherals, and perform a hard reset (8. Hard reset
on page 78).
2. Perform soft reset (9. Soft reset (Default Settings) on page 80).
3. Update BIOS and drivers (4. Update BIOS and drivers on page 68).
a. Roll back to previous version may be necessary.
b. Go to safe mode to install drivers.
4. Run Hardware Diagnostics (6. HP Hardware Diagnostics and Tools on page 69)
to isolate hardware issue.
5. Undo recent changes in Windows (5. Remove or uninstall recently added
hardware, software on page 68).
6. Reseat cables and connections (10. Reseat cables and connections
on page 80).
7. Start Windows in safe mode (11. Test with minimum conguration
on page 80).
8. Use Startup Repair Windows to x Windows damaged les.
9. Test with essential hardware conguration (11. Test with minimum
conguration on page 80) along with a veried working operating system (i.e.,
USB Windows-To-Go ) if available to isolate the software issue.
Tips and tricks For more information, see “HP PCs - Using Task Manager (Windows 10, 8)” at
http://support.hp.com/us-en/document/c03671001.
Electromagnetic Interference (EMI)
Symptoms
System locks up, freezes in certain
physical area or location
Possible causes
Electromagnetic interference (EMI).
Troubleshooting steps
1. See (2. Examine the environment on page 67). Pay attention to external power source,
high-frequency signals such as cell phones, microwave ovens.
2. Move the computer to dierent locations nearby to determine where it fails and where it
does not fail.
3. Test with a veried working computer in original factory conguration.
4. Consult with support.
Common issues and possible solutions 99
- Maintenance and Service Guide 1
- Safety warning notice 5
- Table of contents 7
- 1 Product description 13
- 2 Components 17
- 6 Chapter 2 Components 18
- Display 7 19
- Keyboard area 20
- Keyboard area 9 21
- 10 Chapter 2 Components 22
- Special keys 23
- Action keys 24
- Bottom 13 25
- 14 Chapter 2 Components 26
- Component 27
- (2) Product number 27
- (3) Serial number 27
- (4) Warranty period 27
- 3 Illustrated parts catalog 28
- Computer major components 17 29
- Computer major components 19 31
- Bracket Kit 33
- Plastics Kit 34
- Miscellaneous parts 34
- Miscellaneous parts 23 35
- Tools required 36
- Service considerations 36
- Grounding guidelines 37
- Bottom cover 41
- Solid-state drive (M.2) 43
- WLAN module 45
- Memory module 47
- RTC battery 49
- Thermal module 50
- Description Spare part number 53
- Fingerprint reader board 54
- LED board 55
- Display cable 57
- System board 58
- I/O support bracket 61
- Speakers 62
- Keyboard 63
- 4. Remove the keyboard (2) 64
- Display assembly 65
- Top cover 74
- 6 Troubleshooting guide 75
- Resources 76
- General troubleshooting steps 76
- Identify the issue 77
- 2. Examine the environment 79
- Analyze the issue 80
- Resolve the issue 90
- 13. Replace the system board 94
- Helpful Hints 95
- Consulting with HP Service 96
- Power-on issues 97
- AC adapter issue 100
- Battery discharges too fast 102
- Burnt smell 103
- No video (with power) 103
- Blinking lights 104
- Diagnostics error messages 105
- Performance (OS) 106
- Intermittent shutdown 107
- Blue screen 108
- No wake up 112
- Unresponsive 113
- Slow performance 113
- Incorrect time and date 114
- Display anomalies 115
- Dead pixel 117
- No video (internal) 117
- No video (external) 118
- DisplayPort/VGA 118
- Touch screen 120
- I/O devices 121
- Keyboard point stick 122
- Keyboard backlight 122
- TouchPad 123
- Smart card reader 127
- Thunderbolt (TB) 129
- Thunderbolt 3 dock 130
- Read-write error 133
- Blue screen (BSOD) error 133
- Noisy hard drive 134
- Mechanical 135
- Noise (sound) 136
- Fan runs constantly 137
- Thermal shutdown (hot) 138
- Additional information 139
- Processor not executing code 140
- Memory module error 141
- Failure - System Board Error 141
- Additional information 131 143
- Error message list 144
- Bug check symbolic names 144
- Use Windows Debugging Tool 145
- 6. Open the crash dump le 148
- Lookup for Bug Check 0xC2 149
- Additional information 137 149
- Cable management 151
- Connector types 152
- Using Computer Setup 154
- Updating the BIOS 155
- Downloading a BIOS update 156
- Using Windows tools 161
- Restore and recovery 162
- 10 Specications 166
- Nonvolatile memory usage 171
- Questions and answers 173
- 13 Recycling 178
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