HP ZBook Studio G4 Maintenance And Service Manual page 11

Additional information ...................................................................................................................................... 127
Acronyms ......................................................................................................................................... 127
Blinking lights and boot error codes ............................................................................................... 128
POST Error Messages and User Actions .......................................................................................... 130
Routine Maintenance for Performance Improvement .................................................................... 131
Common Blue Screen Error Messages ............................................................................................ 132
Use Windows Debugging Tool ......................................................................................................... 133
Display Issue: Pixel Anomalies ........................................................................................................ 138
Cable management ......................................................................................................................... 139
Connector types .............................................................................................................................. 140
7 Computer Setup (BIOS), TPM, and HP Sure Start ........................................................................................... 142
Using Computer Setup ....................................................................................................................................... 142
Starting Computer Setup ................................................................................................................ 142
Navigating and selecting in Computer Setup ................................................................................. 142
Restoring factory settings in Computer Setup ............................................................................... 143
Updating the BIOS ........................................................................................................................... 143
Changing the boot order using the f9 prompt ................................................................................ 145
TPM BIOS settings (select products only) ......................................................................................................... 145
Using HP Sure Start (select products only) ....................................................................................................... 145
8 Using HP PC Hardware Diagnostics (UEFI) ..................................................................................................... 146
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................. 146
Processor not executing code ...................................................................................... 128
BIOS recovery code unable to find valid BIOS recovery image ..................................... 128
Memory module error ................................................................................................... 129
Graphics Controller Error (No Controller) ..................................................................... 129
Failure - System Board Error ........................................................................................ 129
Intel Trusted Execution Technology (TXT) Error .......................................................... 129
Sure Start unable to find valid BIOS Boot Block image ................................................ 129
Sure Start has identified a problem (Manual Recovery Policy Set) .............................. 130
Error message list ......................................................................................................... 132
Bug check symbolic names ........................................................................................... 132
Microsoft general troubleshooting of Windows bug check codes ............................... 133
Windows Software Development Kit (SDK) .................................................................. 134
Using a USB keyboard or USB mouse to start Computer Setup (BIOS) ........................ 142
Determining the BIOS version ...................................................................................... 143
Downloading a BIOS update ......................................................................................... 144
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