Dell D10U Manuale di servizio - Pagina 3

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1 Working on your computer............................................................................................................ 4

Safety instructions.................................................................................................................................................................4

Before working inside your computer........................................................................................................................... 4

Safety precautions...........................................................................................................................................................5

Electrostatic discharge-ESD protection.................................................................................................................... 5

ESD field service kit ........................................................................................................................................................6

Transporting sensitive components.............................................................................................................................. 6

After working inside your computer.............................................................................................................................. 7

2 Technology and components......................................................................................................... 8

DDR4....................................................................................................................................................................................... 8

USB features..........................................................................................................................................................................9

USB Type-C...........................................................................................................................................................................11

Advantages of DisplayPort over USB Type-C.................................................................................................................. 11

HDMI 2.0................................................................................................................................................................................ 11

Intel Optane memory........................................................................................................................................................... 12

Enabling Intel Optane memory......................................................................................................................................12

Disabling Intel Optane memory..................................................................................................................................... 13

3 Troubleshooting..........................................................................................................................14

Enhanced Pre-Boot System Assessment - ePSA diagnostics.................................................................................... 14

Running the ePSA Diagnostics..................................................................................................................................... 14

Diagnostics............................................................................................................................................................................ 14

Diagnostic error messages..................................................................................................................................................16

System error messages....................................................................................................................................................... 19

4 Getting help...............................................................................................................................20

Contacting Dell.................................................................................................................................................................... 20

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