Network driver................................................................................................................................................................. 90
Audio drivers.....................................................................................................................................................................90
Storage controller drivers............................................................................................................................................... 90
Other drivers.................................................................................................................................................................... 90
Security device drivers..............................................................................................................................................90
Software device drivers.............................................................................................................................................91
Human Interface Device drivers............................................................................................................................... 91
Firmware...................................................................................................................................................................... 91
7 Troubleshooting........................................................................................................................................... 92
Dell Enhanced Pre-Boot System Assessment — ePSA Diagnostic 3.0....................................................................92
Running the ePSA Diagnostics.................................................................................................................................92
Preboot blinking power button codes........................................................................................................................... 93
PCIe slots..........................................................................................................................................................................95
8 Contacting Dell............................................................................................................................................ 96
6 Contents