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Chapter 1: Working inside your computer...................................................................................... 7

Safety instructions.............................................................................................................................................................. 7

Before working inside your computer....................................................................................................................... 7

Safety precautions........................................................................................................................................................ 8

Electrostatic discharge—ESD protection............................................................................................................... 8

ESD field service kit ..................................................................................................................................................... 9

Entering Service Mode............................................................................................................................................... 10

Exiting Service Mode.................................................................................................................................................. 10

After working inside your computer........................................................................................................................ 10

Chapter 2: Removing and installing components...........................................................................11

Recommended tools...........................................................................................................................................................11

Screw List.............................................................................................................................................................................11

Major components of Inspiron 15 3511..........................................................................................................................13

Secure Digital Card............................................................................................................................................................ 15

Removing the Secure Digital card............................................................................................................................15

Installing the Secure Digital card..............................................................................................................................15

Base cover........................................................................................................................................................................... 16

Removing the base cover...........................................................................................................................................16

Installing the base cover.............................................................................................................................................18

Battery..................................................................................................................................................................................19

Lithium-ion battery precautions............................................................................................................................... 19

Removing the 3-cell battery..................................................................................................................................... 20

Installing the 3-cell battery........................................................................................................................................ 21

Removing the 4-cell battery......................................................................................................................................21

Installing the 4-cell battery....................................................................................................................................... 22

Disconnecting the battery cable..............................................................................................................................23

Disconnecting the battery.........................................................................................................................................24

Memory modules............................................................................................................................................................... 25

Removing the memory module.................................................................................................................................25

Installing the memory module...................................................................................................................................26

WLAN card..........................................................................................................................................................................27

Removing the WLAN card......................................................................................................................................... 27

Installing the WLAN card........................................................................................................................................... 28

Solid-state drive................................................................................................................................................................ 30

Removing the M.2 2230 solid-state drive............................................................................................................. 30

Installing the M.2 2230 solid-state drive............................................................................................................... 30

Removing the M.2 2280 solid-state drive..............................................................................................................31

Installing the M.2 2280 solid-state drive............................................................................................................... 32

Hard drive............................................................................................................................................................................33

Removing the hard drive........................................................................................................................................... 33

Installing the hard drive..............................................................................................................................................34

System fan.......................................................................................................................................................................... 36

Removing the system fan..........................................................................................................................................36

Contents

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