Dell Inspiron 27 7775 Inspiron 27 7000 Service Manual - Page 3

Contents

Before working inside your computer

............................

11

Before you begin

......................................................................................

11

Safety instructions

...................................................................................

12

Recommended tools

................................................................................

13

Screw list

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13

After working inside your computer

..............................

16

Technical overview

........................................................

17

Inside view of your computer

...................................................................

18

System-board components

.....................................................................

19

Removing the back cover

.............................................

21

Procedure

................................................................................................

21

Replacing the back cover

.............................................

23

Procedure

................................................................................................

23

Removing the stand

.....................................................

24

Prerequisites

............................................................................................

24

Procedure

................................................................................................

24

Replacing the stand

.....................................................

26

Procedure

...............................................................................................

26

Post-requisites

........................................................................................

26

3

Section	Page
Inspiron 27 7000 Service Manual	3
Before working inside your computer	11
Before you begin	11
Safety instructions	12
Recommended tools	13
Screw list	13
After working inside your computer	16
Technical overview	17
Inside view of your computer	18
System-board components	19
Removing the back cover	21
Procedure	21
Replacing the back cover	23
Procedure	23
Removing the stand	24
Prerequisites	24
Procedure	24
Replacing the stand	26
Procedure	26
Post-requisites	26
Removing the hard drive	27
Prerequisites	27
Procedure	27
Replacing the hard drive	30
Procedure	30
Post-requisites	30
Removing the inner frame	31
Prerequisites	31
Procedure	32
Replacing the inner frame	35
Procedure	35
Post-requisites	35
Removing the camera	36
Prerequisites	36
Procedure	36
Replacing the camera	38
Procedure	38
Post-requisites	38
Removing the microphones	39
Prerequisites	39
Procedure	39
Replacing the microphones	41
Procedure	41
Post-requisites	41
Removing the power-button board	42
Prerequisites	42
Procedure	42
Replacing the power-button board	44
Procedure	44
Post-requisites	44
Removing the front bezel	45
Prerequisites	45
Procedure	46
Replacing the front bezel	48
Procedure	48
Post-requisites	48
Removing the media-card reader	49
Prerequisites	49
Procedure	49
Replacing the media-card reader	53
Procedure	53
Post-requisites	53
Removing the side I/O-board	55
Prerequisites	55
Procedure	55
Replacing the side I/O-board	57
Procedure	57
Post-requisites	57
Removing the system-board shield	58
Prerequisites	58
Procedure	58
Replacing the system-board shield	60
Procedure	60
Post-requisites	60
Removing the fan	61
Prerequisites	61
Procedure	61
Replacing the fan	63
Procedure	63
Post-requisites	63
Removing the speakers	64
Prerequisites	64
Procedure	64
Replacing the speakers	66
Procedure	66
Post-requisites	66
Removing the subwoofer	67
Prerequisites	67
Procedure	67
Replacing the subwoofer	69
Procedure	69
Post-requisites	69
Removing the coin-cell battery	70
Prerequisites	70
Procedure	70
Replacing the coin-cell battery	72
Procedure	72
Post-requisites	72
Removing the memory modules	73
Prerequisites	73
Procedure	74
Replacing the memory modules	76
Procedure	76
Post-requisites	77
Removing the solid-state drive	78
Prerequisites	78
Procedure	79
Replacing the solid-state drive	81
Procedure	81
Post-requisites	81
Removing the wireless card	82
Prerequisites	82
Procedure	83
Replacing the wireless card	85
Procedure	85
Post-requisites	86
Removing the heat sink	87
Prerequisites	87
Procedure	87
Replacing the heat sink	89
Procedure	89
Post-requisites	89
Removing the processor	91
Prerequisites	91
Procedure	92
Replacing the processor	94
Procedure	94
Post-requisites	95
Removing the I/O bracket	96
Prerequisites	96
Procedure	96
Replacing the I/O bracket	98
Procedure	98
Post-requisites	98
Removing the I/O board	99
Prerequisites	99
Procedure	99
Replacing the I/O board	103
Procedure	103
Post-requisites	103
Removing the system board	105
Prerequisites	105
Procedure	106
Replacing the system board	109
Procedure	109
Post-requisites	110
Removing the middle frame	111
Prerequisites	111
Procedure	112
Replacing the middle frame	113
Procedure	113
Post-requisites	116
Removing the display panel	118
Prerequisites	118
Procedure	118
Replacing the display panel	122
Procedure	122
Post-requisites	126
Flashing the BIOS	127
BIOS setup program	128
BIOS overview	128
Entering BIOS setup program	128
System setup options	129
Clearing forgotten passwords	134
Prerequisites	134
Procedure	135
Post-requisites	135
Clearing CMOS settings	136
Prerequisites	136
Procedure	136
Post-requisites	137
Diagnostics	138
Getting help and contacting Dell	140
Self-help resources	140

Dell Inspiron 27 7775 Inspiron 27 7000 Service Manual - Page 3

Inspiron 27 7000 Service Manual

Page 3 highlights