Dell XPS 15 9575 2-in-1 XPS 15 2-in-1 Service Manual - Page 6
Enhanced Pre-Boot System Assessment ePSA diagnostics, Flashing BIOS USB key
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Page 6 highlights
32 Troubleshooting...64 Flashing the BIOS...64 Reinstall Windows using a USB recovery drive...64 Flashing BIOS (USB key)...64 Fixing a no-boot issue caused by USB-boot support...65 Enhanced Pre-Boot System Assessment (ePSA) diagnostics 65 Running the ePSA diagnostics...65 System diagnostic lights...66 Flea power release...66 WiFi power cycle...67 33 Getting help and contacting Dell 68 6 Contents
![](/manual_guide/products/dell-xps-15-9575-2in1-xps-15-2in1-service-manual-58c508e/6.png)
32 Troubleshooting
.......................................................................................................................
64
Flashing the BIOS
................................................................................................................................................................
64
Reinstall Windows using a USB recovery drive
...............................................................................................................
64
Flashing BIOS (USB key)
....................................................................................................................................................
64
Fixing a no-boot issue caused by USB-boot support
.....................................................................................................
65
Enhanced Pre-Boot System Assessment (ePSA) diagnostics
......................................................................................
65
Running the ePSA diagnostics
.....................................................................................................................................
65
System diagnostic lights
.....................................................................................................................................................
66
Flea power release
...............................................................................................................................................................
66
WiFi power cycle
..................................................................................................................................................................
67
33 Getting help and contacting Dell
................................................................................................
68
6
Contents