HP ZBook 15 G3 Mobile Workstation - Maintenance and Service Guide

No boot to operating system (no read/write error) ..................................................... 134
Read-write error ........................................................................................................... 135
Slow performance ......................................................................................................... 135
Blue screen (BSOD) error .............................................................................................. 135
Noisy hard drive ............................................................................................................ 136
Mechanical ....................................................................................................................................... 137
Fan error message - 90B .............................................................................................. 137
Noise (sound) ................................................................................................................ 138
Fan runs constantly ...................................................................................................... 139
Thermal shutdown (hot) ............................................................................................... 140
Stuck power button ...................................................................................................... 140
Additional information ...................................................................................................................................... 141
Acronyms ......................................................................................................................................... 141
Blinking lights and boot error codes ............................................................................................... 142
Processor not executing code ...................................................................................... 142
BIOS recovery code unable to nd valid BIOS recovery image ..................................... 142
Memory module error ................................................................................................... 142
Graphics Controller Error (No Controller) ..................................................................... 143
Failure - System Board Error ........................................................................................ 143
Intel Trusted Execution Technology (TXT) Error .......................................................... 143
Sure Start unable to nd valid BIOS Boot Block image ................................................ 143
Sure Start has identied a problem (Manual Recovery Policy Set) .............................. 144
POST Error Messages and User Actions .......................................................................................... 144
Routine Maintenance for Performance Improvement .................................................................... 146
Common Blue Screen Error Messages ............................................................................................ 146
Error message list ......................................................................................................... 146
Bug check symbolic names ........................................................................................... 146
Microsoft general troubleshooting of Windows bug check codes ............................... 147
Use Windows Debugging Tool ......................................................................................................... 147
Windows Software Development Kit (SDK) .................................................................. 148
Display Issue: Pixel Anomalies ........................................................................................................ 152
Cable management ......................................................................................................................... 153
Connector types .............................................................................................................................. 154
8 Computer Setup (BIOS), TPM, and HP Sure Start in Windows 7 ........................................................................ 156
Using Computer Setup ....................................................................................................................................... 156
Starting Computer Setup ................................................................................................................ 156
Navigating and selecting in Computer Setup ................................................................................. 156
Restoring factory settings in Computer Setup ............................................................................... 157
Updating the BIOS ........................................................................................................................... 157
Determining the BIOS version ...................................................................................... 157
ix