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DELL
E7240
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DELL E7240 用户手册
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Removing the Display-Hinge Cover
...................................................................................................23
Installing the Display-Hinge Cover
.....................................................................................................24
Removing the Heatsink
.......................................................................................................................24
Installing the Heatsink
.........................................................................................................................24
Removing the Display Assembly
.........................................................................................................25
Installing the Display Assembly
...........................................................................................................26
Removing the System Fan
.................................................................................................................. 26
Installing the System Fan
.....................................................................................................................27
Removing the System Board
...............................................................................................................27
Installing the System Board
................................................................................................................ 28
Removing the Power Connector
...................................................................................................... 29
Installing the Power Connector
......................................................................................................... 29
4 Docking Port Information................................................................................ 30
5 System Setup....................................................................................................... 31
Boot Sequence
.................................................................................................................................... 31
Navigation Keys
................................................................................................................................... 31
System Setup Options
.........................................................................................................................32
Updating the BIOS
..............................................................................................................................41
System and Setup Password
...............................................................................................................42
Assigning a System Password and Setup Password
.................................................................... 42
Deleting or Changing an Existing System and/or Setup Password
.............................................43
6 Diagnostics.......................................................................................................... 44
Enhanced Pre-Boot System Assessment (ePSA) Diagnostics
........................................................... 44
Device Status Lights
............................................................................................................................ 45
Battery Status Lights
............................................................................................................................45
7 Specifications...................................................................................................... 47
8 Contacting Dell...................................................................................................52
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