HP ZBook 17 G5 Mobile Workstation User Manual Page 123
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Blinking light codes
During startup, the computer may not boot properly. If this occurs, blinking light codes that will help identify
what is causing the issue. The computer uses the blinking lights below to identify a hardware component that
reports an error during startup. For more information, see Blinking lights and boot error codes on page 162.
Table 7-5 Boot-error codes
Blink codes Error
Amber battery light: blinks 1 Hz continuously Embedded controller unable to load rmware
Caps/num lock lights = 1 blink Processor not executing code
Caps/num lock lights = 2 blinks BIOS recovery code unable to nd valid BIOS recovery image
Caps/num lock lights = 3 blinks Memory module error
Caps/num lock lights = 4 blinks Graphics controller error
Caps/num lock lights = 5 blinks System board error
Caps/num lock lights = 6 blinks Intel Trusted Execution Technology (TXT) Error
Caps/num lock lights = 7 blinks Sure Start unable to nd valid BIOS Boot Block image
Caps/num lock lights = 8 blinks Sure Start has identied a problem (Manual Recovery Policy Set)
POST error messages
The Power-On Self-Test (POST) is a series of diagnostic tests that runs automatically when the computer is
powered on. If the POST encounters a problem, visual error messages are displayed before the operating
system starts. POST checks the following items to ensure that the computer system is functioning properly:
● Memory
● Processors
● BIOS
● Mass storage devices
● Fans
The following table describes errors encountered during HP PC Hardware Diagnostics (UEFI).
Table
7-6 System diagnostics failure codes and user actions
Test description Failure description
Error
code Suggested user actions
Startup Test Memory module 200 Attempt to reseat the memory module and then repeat the test.
For details on troubleshooting issues related to the memory
module, search for support documentation at
http://www.hp.com/support.
Startup Test Hard Disk 1 SMART 301 Attempt to reseat the hard drive and repeat the test. The hard
drive may have failed.
Boot Device Manager Boot device not found 3F0 Reset BIOS. Then reseat the hard drive and repeat the test.
BIOS Recovery BIOS Recovery Occurred 500 This message indicates that BIOS recovery was completed
successfully. No further action is required.
General troubleshooting steps 111
- Maintenance and Service Guide 1
- Safety warning notice 5
- Table of contents 7
- 1 Product description 13
- 2 Components 21
- 10 Chapter 2 Components 22
- Right 11 23
- 12 Chapter 2 Components 24
- Display 13 25
- Keyboard area 26
- Keyboard area 15 27
- 16 Chapter 2 Components 28
- Keyboard area 17 29
- 18 Chapter 2 Components 30
- Special keys 31
- Action keys 32
- Keyboard area 21 33
- To use a hot key: 34
- 22 Chapter 2 Components 34
- Bottom 23 35
- 24 Chapter 2 Components 36
- Component Description 37
- Labels 27 39
- 3 Illustrated parts catalog 40
- Computer major components 29 41
- Computer major components 31 43
- Miscellaneous parts 47
- Tools required 48
- Service considerations 48
- Cables and connectors 49
- Drive handling 49
- Grounding guidelines 50
- Workstation guidelines 51
- Equipment guidelines 52
- Customer Self-Repair parts 53
- Description Spare part number 55
- Hard drive (HDD) 56
- Solid-state drive (SSD) 58
- ODD L31315-001 60
- Memory modules 63
- SIM card 65
- WWAN module 66
- Keyboard 68
- 7. Remove the keyboard (4) 71
- Middle cover 73
- Fingerprint reader assembly 75
- Smart card board 77
- NFC module 79
- TouchPad click board 80
- Right fan, GPU L30389-001 82
- Left fan, CPU L30389-001 82
- System board 84
- Heat sink 86
- Discrete MXM daughter card 89
- Power button board 93
- RTC battery 95
- Display assembly 101
- Display assembly components 103
- Top cover 111
- 7 Troubleshooting guide 112
- Resources 113
- General troubleshooting steps 113
- Identify the issue 114
- 2. Examine the environment 116
- Analyze the issue 117
- Table 7-5 Boot-error codes 123
- Resolve the issue 125
- 13. Replace the system board 129
- Helpful Hints 130
- During operation 131
- Consulting with HP Service 131
- Power-on issues 132
- AC adapter issue 135
- Battery discharges too fast 137
- Burnt smell 137
- No video (with power) 138
- Blinking lights 139
- Diagnostics error messages 139
- Performance (OS) 141
- Intermittent shutdown 142
- Blue screen 143
- No wake up 147
- Unresponsive 148
- Slow performance 148
- Incorrect time and date 149
- Display anomalies 150
- Dead pixel 151
- Vertical lines 151
- Horizontal lines 151
- No video (internal) 152
- No video (external) 153
- DisplayPort/VGA 153
- Touch screen 155
- I/O devices 156
- Keyboard point stick 157
- Keyboard backlight 157
- TouchPad 158
- Smart card reader 162
- Thunderbolt (TB) 164
- Read-write error 167
- Blue screen (BSOD) error 167
- Noisy hard drive 168
- Mechanical 169
- Noise (sound) 170
- Fan runs constantly 171
- Thermal shutdown (hot) 172
- Stuck power button 172
- Additional information 173
- Processor not executing code 174
- Memory module error 174
- Failure - System Board Error 175
- Additional information 165 177
- Error message list 178
- Bug check symbolic names 178
- Use Windows Debugging Tool 179
- 6. Open the crash dump le 182
- Lookup for Bug Check 0xC2 183
- Additional information 171 183
- Cable management 185
- Connector types 186
- Using Computer Setup 189
- Updating the BIOS 190
- Downloading a BIOS update 191
- Using Windows tools 194
- Restore and recovery 195
- 11 Specications 200
- Nonvolatile memory usage 206
- Nonvolatile memory usage 195 207
- Questions and answers 208
- 14 Recycling 210
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