Maintenance and Service Guide

Acronyms ......................................................................................................................................... 135
Blinking lights and boot error codes ............................................................................................... 136
Processor not executing code ...................................................................................... 136
BIOS recovery code unable to nd valid BIOS recovery image ..................................... 136
Memory module error ................................................................................................... 136
Graphics Controller Error (No Controller) ..................................................................... 137
Failure - System Board Error ........................................................................................ 137
Intel Trusted Execution Technology (TXT) Error .......................................................... 137
Sure Start unable to nd valid BIOS Boot Block image ................................................ 137
Sure Start has identied a problem (Manual Recovery Policy Set) .............................. 138
POST Error Messages and User Actions .......................................................................................... 138
Routine Maintenance for Performance Improvement .................................................................... 140
Common Blue Screen Error Messages ............................................................................................ 140
Error message list ......................................................................................................... 140
Bug check symbolic names ........................................................................................... 140
Microsoft general troubleshooting of Windows bug check codes ............................... 141
Use Windows Debugging Tool ......................................................................................................... 141
Windows Software Development Kit (SDK) .................................................................. 142
Display Issue: Pixel Anomalies ........................................................................................................ 146
Cable management ......................................................................................................................... 147
Connector types .............................................................................................................................. 148
7 Computer Setup (BIOS), TPM, and HP Sure Start ........................................................................................... 150
Using Computer Setup ....................................................................................................................................... 150
Starting Computer Setup ................................................................................................................ 150
Using a USB keyboard or USB mouse to start Computer Setup (BIOS) ........................ 150
Navigating and selecting in Computer Setup ................................................................................. 150
Restoring factory settings in Computer Setup ............................................................................... 151
Updating the BIOS ........................................................................................................................... 151
Determining the BIOS version ...................................................................................... 151
Downloading a BIOS update ......................................................................................... 152
Changing the boot order using the f9 prompt ................................................................................ 153
TPM BIOS settings (select products only) ......................................................................................................... 153
Using HP Sure Start (select products only) ....................................................................................................... 153
8 Using HP PC Hardware Diagnostics .............................................................................................................. 154
Using HP PC Hardware Diagnostics Windows ................................................................................................... 154
Downloading HP PC Hardware Diagnostics Windows ..................................................................... 154
Downloading the latest HP PC Hardware Diagnostics Windows version ..................... 155
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ................................................................................................... 155
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