HP ZBook Studio G4 Base Model Mobile Workstation User Manual Page 96
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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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.
Consulting with HP Service
If further HP support is required, a lot of the following information may be requested when you call, so it may
be helpful to take notes.
●
Technical support registration number (if applicable)
●
Product serial number
●
Product model name and number
●
Product identication number
●
Applicable error messages
●
Add-on boards or hardware
●
Third-party hardware or software
●
Operating system type and revision level
84 Chapter 6 Troubleshooting guide
- 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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