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Dell M5040 6 Wireless Mini-Card . . . . . . . . . . . . . . . . 25, 7 Palm-Rest Assembly . . . . . . . . . . . . . . . 29, 8 Power Button Board . . . . . . . . . . . . . . . 35, 9H a r d D r i v e , 10 Coin-Cell Battery . . . . . . . . . . . . . . . . . . 41

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Replacing the Optical Drive . . . . . . . . . . . . . . . 24

6 Wireless Mini-Card . . . . . . . . . . . . . . . . 25

Removing the Mini-Card. . . . . . . . . . . . . . . . . 25

Replacing the Mini-Card. . . . . . . . . . . . . . . . . 27

7 Palm-Rest Assembly . . . . . . . . . . . . . . . 29

Removing the Palm-Rest Assembly . . . . . . . . . . . 29

Replacing the Palm-Rest Assembly . . . . . . . . . . . 32

8 Power Button Board . . . . . . . . . . . . . . . 35

Removing the Power Button Board . . . . . . . . . . . 35

Replacing the Power Button Board . . . . . . . . . . . 36

9Hard Drive . . . . . . . . . . . . . . . . . . . . . . . 37

Removing the Hard Drive . . . . . . . . . . . . . . . . 37

Replacing the Hard Drive . . . . . . . . . . . . . . . . 39

10 Coin-Cell Battery . . . . . . . . . . . . . . . . . . 41

Removing the Coin-Cell Battery . . . . . . . . . . . . . 41

Replacing the Coin-Cell Battery. . . . . . . . . . . . . 42

Contents

Main Notes, Cautions, and Warnings Contents 1 Before You Begin. . . . . . . . . . . . . . . . . . . . 9 2B a t t e r y 3 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . 15 4 Memory Module(s) . . . . . . . . . . . . . . . . . 19 6 Wireless Mini-Card . . . . . . . . . . . . . . . . 25 7 Palm-Rest Assembly . . . . . . . . . . . . . . . 29 8 Power Button Board . . . . . . . . . . . . . . . 35 9H a r d D r i v e 10 Coin-Cell Battery . . . . . . . . . . . . . . . . . . 41 11 USB Board . . . . . . . . . . . . . . . . . . . . . . . . 43 12 Thermal Cooling Assembly . . . . . . . . . . . 45 13 Processor Module (For Inspiron 15-N5050/15-N5040 Only) . . . . . . . . . . . . 47 14 Hinge Cover . . . . . . . . . . . . . . . . . . . . . . . 51 15 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 16 Camera Module . . . . . . . . . . . . . . . . . . . 65 17 System Board. . . . . . . . . . . . . . . . . . . . . 67 18 Flashing the BIOS . . . . . . . . . . . . . . . . . 71 Page Page Before You Begin Recommended Tools Turning Off Your Computer Before Working Inside Your Computer Page Page Battery Removing the Battery Replacing the Battery Keyboard Removing the Keyboard Page Replacing the Keyboard Page Memory Module(s) Removing the Memory Module(s) Replacing the Memory Module(s) Page Page Optical Drive Removing the Optical Drive Replacing the Optical Drive Wireless Mini-Card Removing the Mini-Card Page Replacing the Mini-Card Page Palm-Rest Assembly Removing the Palm-Rest Assembly Page Page Replacing the Palm-Rest Assembly Page Page Power Button Board Removing the Power Button Board Replacing the Power Button Board Hard Drive Removing the Hard Drive Page Replacing the Hard Drive Page Coin-Cell Battery Removing the Coin-Cell Battery Replacing the Coin-Cell Battery USB Board Removing the USB Board Replacing the USB Board Thermal Cooling Assembly Removing the Thermal Cooling Assembly Replacing the Thermal Cooling Assembly Processor Module (For Inspiron 15-N5050/15-N5040 Only) Removing the Processor Module Replacing the Processor Module Page Page Hinge Cover Removing the Hinge Cover Page Replacing the Hinge Cover Page Display Display Assembly Removing the Display Assembly Page Page Replacing the Display Assembly Display Bezel Removing the Display Bezel Replacing the Display Bezel Display Panel Removing the Display Panel Page Page Replacing the Display Panel Page Camera Module Removing the Camera Module Replacing the Camera Module System Board Removing the System Board Page Replacing the System Board Entering the Service Tag in the BIOS Flashing the BIOS