HP ZBook Studio G5 Mobile Workstation User Manual Page 106
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- Table of contents
- TROUBLESHOOTING
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4. Be sure that the AC adapter is connected when you update BIOS to avoid BIOS corruption.
5. Be sure that the computer is turned on, the rear power light is solid white (connected to an external
power source) and the front power light is solid white (normal operation).
6. Remove all optical and ash drives from your system before turning it on.
7. Be sure that the boot option is set to a working operating system drive.
8. Be sure that externally connected monitors are turned on and their power lights are on. Not all monitors
are equipped with lights to indicate their functionality.
9. Turn up the brightness and contrast controls of a display or external display device if the screen is dim.
During operation
1. To wake the computer:
a. Press the power button or any key on the keyboard.
b. If the system remains in the Sleep (Windows), Suspend (Linux), or Hibernate state, shut down the
system by pressing and holding the power button for at least four seconds.
c. If the system does not shut down, unplug the power cord, wait a few seconds, and then plug it in
again. Then press the power button again to restart the system. If it does not turn on, press the
power button to start the computer.
2. Look for blinking lights on the computer. The blinking lights could be error codes that will help diagnose
the problem.
3. Check all cables for loose or incorrect connections (external devices, power cords, dock, etc.).
4. After installing a non-Plug and Play expansion board or other option, recongure the computer. For
example, if you upgrade to a solid-state drive, you may need to recongure the boot order.
5. Be sure that all required device drivers have been installed. For example, if you have connected a printer,
you must install a printer driver.
6. If there is a network connection issue, plug another computer with a dierent cable into the network
connection. There might be a problem with the network plug or cable.
7. If hardware has recently been installed, remove it and determine whether the computer functions
properly.
8. If software has recently been installed, uninstall it and determine whether the computer functions
properly.
9.
If the screen is blank, conrm the display choice by pressing Windows logo + P and set to screen
only. Or plug an external monitor into a dierent video port on the computer if one is available and close
the computer lid.
10. Verify that the latest version of BIOS, drivers, and software are installed. A new release might support
new features or x the problem.
11. Press the caps lock and/or num lock key. If the caps lock and/or num lock light toggles on or o, the
keyboard is likely operating correctly.
12. Press the TouchPad On/O button light. If the light toggles on or o, the TouchPad is likely operating
correctly.
94 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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