Acronyms .......................................................................................................................................................... 119
Blinking lights and boot error codes ............................................................................................................ 120
Processor not executing code .................................................................................................. 120
BIOS recovery code unable to nd valid BIOS recovery image ............................................ 121
Memory module error ................................................................................................................ 121
Graphics Controller Error (No Controller) ................................................................................ 121
Failure - System Board Error .................................................................................................... 121
Intel Trusted Execution Technology (TXT) Error ................................................................... 122
Sure Start unable to nd valid BIOS Boot Block image ......................................................... 122
Sure Start has identied a problem (Manual Recovery Policy Set) .................................... 122
POST Error Messages and User Actions ...................................................................................................... 123
Routine Maintenance for Performance Improvement .............................................................................. 125
Common Blue Screen Error Messages ........................................................................................................ 125
Error message list ...................................................................................................................... 125
Bug check symbolic names ...................................................................................................... 125
Microsoft general troubleshooting of Windows bug check codes ...................................... 126
Use Windows Debugging Tool ...................................................................................................................... 126
Windows Software Development Kit (SDK) ............................................................................ 127
Display Issue: Pixel Anomalies ...................................................................................................................... 131
Cable management ........................................................................................................................................ 132
Connector types .............................................................................................................................................. 133
7 Tablet Setup (BIOS), TPM, and HP Sure Start ................................................................................................................................... 135
Using Tablet Setup ............................................................................................................................................................... 135
Starting Tablet Setup ...................................................................................................................................... 135
Navigating and selecting in Tablet Setup .................................................................................................... 135
Restoring factory settings in Tablet Setup .................................................................................................. 136
Updating the BIOS ........................................................................................................................................... 136
Determining the BIOS version .................................................................................................. 136
Downloading a BIOS update ..................................................................................................... 137
Changing the boot order ................................................................................................................................ 138
TPM BIOS settings (select products only) ........................................................................................................................ 138
Using HP Sure Start (select products only) ..................................................................................................................... 138
8 Using HP PC Hardware Diagnostics (UEFI) ....................................................................................................................................... 139
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ............................................................................. 140
9 Specications ........................................................................................................................................................................................ 141
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