Storage ............................................................................................................................................ 153
Hard drive/solid-state drive not recognized ................................................................ 154
No boot to operating system (no read/write error) ..................................................... 154
Read-write error ........................................................................................................... 155
Slow performance ......................................................................................................... 155
Blue screen (BSOD) error .............................................................................................. 155
Noisy hard drive ............................................................................................................ 156
Mechanical ....................................................................................................................................... 157
Fan error message - 90B .............................................................................................. 157
Noise (sound) ................................................................................................................ 158
Fan runs constantly ...................................................................................................... 159
Thermal shutdown (hot) ............................................................................................... 160
Stuck power button ...................................................................................................... 160
Additional information ...................................................................................................................................... 161
Acronyms ......................................................................................................................................... 161
Blinking lights and boot error codes ............................................................................................... 162
Processor not executing code ...................................................................................... 162
BIOS recovery code unable to nd valid BIOS recovery image ..................................... 162
Memory module error ................................................................................................... 162
Graphics Controller Error (No Controller) ..................................................................... 163
Failure - System Board Error ........................................................................................ 163
Intel Trusted Execution Technology (TXT) Error .......................................................... 163
Sure Start unable to nd valid BIOS Boot Block image ................................................ 163
Sure Start has identied a problem (Manual Recovery Policy Set) .............................. 164
POST Error Messages and User Actions .......................................................................................... 164
Routine Maintenance for Performance Improvement .................................................................... 166
Common Blue Screen Error Messages ............................................................................................ 166
Error message list ......................................................................................................... 166
Bug check symbolic names ........................................................................................... 166
Microsoft general troubleshooting of Windows bug check codes ............................... 167
Use Windows Debugging Tool ......................................................................................................... 167
Windows Software Development Kit (SDK) .................................................................. 168
Display Issue: Pixel Anomalies ........................................................................................................ 172
Cable management ......................................................................................................................... 173
Connector types .............................................................................................................................. 174
8 Computer Setup (BIOS), TPM, and HP Sure Start ........................................................................................... 177
Using Computer Setup ....................................................................................................................................... 177
Starting Computer Setup ................................................................................................................ 177
Using a USB keyboard or USB mouse to start Computer Setup (BIOS) ........................ 177
Navigating and selecting in Computer Setup ................................................................................. 177
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