Dell Inspiron 14 5485 2-in-1 Inspiron 5485 2-in-1 Service Manual - Page 6

38 Removing the palm-rest and keyboard assembly

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64

Prerequisites

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64

Procedure

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64

39 Replacing the palm-rest and keyboard assembly

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65

Procedure

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65

Post-requisites

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65

40 Device drivers

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66

Wireless and Bluetooth drivers

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66

41 System setup

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67

Boot Sequence

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67

Navigation keys

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67

System setup

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68

Entering BIOS setup program

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68

System setup options

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68

Clearing CMOS settings

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72

Clearing BIOS (System Setup) and System passwords

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72

42 Troubleshooting

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73

Flashing the BIOS

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73

Flashing BIOS (USB key)

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73

Enhanced Pre-Boot System Assessment (ePSA) diagnostics

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73

Running the ePSA diagnostics

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74

Diagnostics

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74

WiFi power cycle

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75

Flea power release

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75

43 Getting help and contacting Dell

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76

Self-help resources

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76

Contacting Dell

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76

6

Contents

Dell Inspiron 14 5485 2-in-1 Inspiron 5485 2-in-1 Service Manual - Page 6

Clearing BIOS System Setup and System passwords, Enhanced Pre-Boot System Assessment ePSA diagnostics

Page 6 highlights

Section	Page
Inspiron 5485 2-in-1 Service Manual	3
Before working inside your computer	7
Before you begin	7
After working inside your computer	8
Safety instructions	9
Electrostatic discharge—ESD protection	9
ESD field service kit	10
Components of an ESD field service kit	10
ESD protection summary	10
Transporting sensitive components	11
Lifting equipment	11
Recommended tools	12
Screw list	13
Removing the base cover	15
Procedure	15
Replacing the base cover	17
Procedure	17
Removing the battery	19
Prerequisites	19
Procedure	19
Replacing the battery	21
Procedure	21
Post-requisites	22
Removing the coin-cell battery	23
Procedure	23
Replacing the coin-cell battery	24
Procedure	24
Removing the memory modules	25
Prerequisites	25
Procedure	25
Replacing the memory modules	26
Procedure	26
Post-requisites	27
Removing the solid-state drive	28
Prerequisites	28
Procedure	28
Replacing the solid-state drive	30
Procedure	30
Post-requisites	30
Removing the hard drive	31
Prerequisites	31
Procedure	31
Replacing the hard drive	33
Procedure	33
Post-requisites	34
Removing the heat sink	35
Prerequisites	35
Procedure	35
Replacing the heat sink	36
Procedure	36
Post-requisites	36
Removing the fan	37
Prerequisites	37
Procedure	37
Replacing the fan	38
Procedure	38
Post-requisites	38
Removing the speakers	39
Prerequisites	39
Procedure	39
Replacing the speakers	40
Procedure	40
Post-requisites	40
Removing the I/O board	41
Prerequisites	41
Procedure	41
Replacing the I/O board	42
Procedure	42
Post-requisites	42
Removing the power-adapter port	43
Prerequisites	43
Procedure	43
Replacing the power-adapter port	44
Procedure	44
Post-requisites	44
Removing the wireless card	45
Prerequisites	45
Procedure	45
Replacing the wireless card	47
Procedure	47
Post-requisites	47
Removing the display assembly	48
Prerequisites	48
Procedure	48
Replacing the display assembly	50
Procedure	50
Post-requisites	51
Removing the power button with fingerprint reader	52
Prerequisites	52
Procedure	52
Replacing the power button with fingerprint reader	53
Procedure	53
Post-requisites	53
Removing the system board	54
Prerequisites	54
Procedure	54
Replacing the system board	57
Procedure	57
Post-requisites	59
Removing the touchpad	60
Prerequisites	60
Procedure	60
Replacing the touchpad	62
Procedure	62
Post-requisites	63
Removing the palm-rest and keyboard assembly	64
Prerequisites	64
Procedure	64
Replacing the palm-rest and keyboard assembly	65
Procedure	65
Post-requisites	65
Device drivers	66
Wireless and Bluetooth drivers	66
System setup	67
Boot Sequence	67
Navigation keys	67
System setup	68
Entering BIOS setup program	68
System setup options	68
Clearing CMOS settings	72
Clearing BIOS (System Setup) and System passwords	72
Troubleshooting	73
Flashing the BIOS	73
Flashing BIOS (USB key)	73
Enhanced Pre-Boot System Assessment (ePSA) diagnostics	73
Running the ePSA diagnostics	74
Diagnostics	74
WiFi power cycle	75
Flea power release	75
Getting help and contacting Dell	76
Self-help resources	76