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Dell Latitude 5490 Owners Manual - Page 38

Installing the speaker, System board, Removing system board

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Installing the speaker 1 Insert the speaker module aligning it with the nodes on the chassis. 2 Route the speaker cable through the routing channels. 3 Install the: a system board b chassis frame c keyboard d keyboard lattice e WLAN card f SSD frame g SSD card h hard drive i memory module j battery k base cover l SIM card 4 Follow the procedure in After working inside your computer. System board Removing system board 1 Follow the procedure in Before working inside your computer. 2 Remove the: a SIM card b base cover c battery d memory module e hard drive f SSD card g SSD frame h WLAN card i WWAN card (optional) j keyboard lattice k keyboard l heat sink m chassis frame n system fan 3 Disconnect the following cables from the system board: a Touchpad cable [1] b USH cable [2] c LED board cable [3] d Speaker cable [4] 38 Removing and installing components

Section	Page
Latitude 5490 Owner’s Manual	3
Working on your computer	7
Safety precautions	7
Standby power	7
Bonding	7
Electrostatic discharge—ESD protection	7
ESD field service kit	8
Transporting sensitive components	9
Before working inside your computer	9
After working inside your computer	9
Removing and installing components	10
Recommended tools	10
Screw size list	11
Subscriber Identity Module(SIM) board	11
Removing the Subscriber Identification Module card	11
Installing the Subscriber Identification Module card	12
Base cover	12
Removing the base cover	12
Installing the base cover	14
Battery	14
Lithium-ion battery precautions	14
Removing the battery	15
Installing the battery	15
Solid State Drive — optional	16
Removing the SSD card	16
Installing the SSD card	17
Removing the SSD frame	17
Installing the SSD frame	18
Hard drive	18
Removing hard drive	18
Installing hard drive	19
Coin-cell battery	19
Removing the coin cell battery	19
Installing coin cell battery	20
WLAN card	20
Removing WLAN card	20
Installing WLAN card	23
WWAN card – optional	23
Removing the WWAN card	23
Installing the WWAN card	24
Memory modules	24
Removing the memory module	24
Installing the memory module	25
Keyboard lattice and Keyboard	25
Removing keyboard lattice	25
Installing keyboard lattice	26
Removing the keyboard	26
Installing the keyboard	29
Heat sink	29
Removing the heat sink	29
Installing the heat sink	30
System fan	30
Removing the system fan	30
Installing the system fan	31
Power connector port	32
Removing the power connector port	32
Installing power connector port	32
Chassis frame	33
Removing the chassis frame	33
Installing the chassis frame	34
SmartCard module	35
Removing smart card reader board	35
Installing smart card reader board	36
Speaker	37
Removing the speaker	37
Installing the speaker	38
System board	38
Removing system board	38
Installing system board	41
Display hinge cover	42
Removing display hinge cover	42
Installing display hinge cover	43
Display assembly	43
Removing display assembly	43
Installing display assembly	47
Display bezel	48
Removing display bezel	48
Installing display bezel	49
Display panel	49
Removing display panel	49
Installing display panel	51
Display (eDP) cable	52
Removing display cable	52
Installing display cable	52
Camera	53
Removing camera	53
Installing camera	54
Display hinges	54
Removing display hinge	54
Installing display hinge	55
Display back cover assembly	55
Removing the display back cover assembly	55
Installing the display back cover assembly	56
Palm rest	56
Removing palm rest	56
Installing palm rest	57
Technical specifications	59
Processor	59
Memory	60
Storage specifications	60
Audio specifications	60
Video specification	61
Integrated	61
Discrete	61
Camera option	61
Ports and Connectors	62
Contacted smart card specifications	62
Display specification	62
Keyboard specifications	64
Touch pad specifications	65
Battery specifications	65
AC Adapter specifications	66
System dimensions	67
Operating Conditions	67
Technology and components	69
Power adapter	69
Kaby Lake — 7th Generation Intel Core processors	69
Kaby lake Specifications	70
Kaby Lake Refresh — 8th Generation Intel Core processors	70
Kaby Lake Refresh Specifications	71
DDR4	71
DDR4 Details	71
Memory Errors	72
HDMI 1.4	72
HDMI 1.4 Features	72
Advantages of HDMI	73
HDMI 1.4	73
HDMI 1.4 Features	73
Advantages of HDMI	73
USB features	74
USB 3.0/USB 3.1 Gen 1 (SuperSpeed USB)	74
Speed	74
Applications	75
Compatibility	75
Advantages of Displayport over USB Type-C	76
USB Type-C	76
Alternate Mode	76
USB Power Delivery	76
System setup options	77
Boot Sequence	77
Navigation keys	78
System Setup overview	78
Accessing System Setup	78
General screen options	78
System Configuration screen options	79
Video screen options	80
Security screen options	81
Secure Boot screen options	82
Intel Software Guard Extensions	83
Performance screen options	83
Power Management screen options	84
POST Behavior screen options	85
Manageability	86
Virtualization support screen options	87
Wireless screen options	87
Maintenance screen options	87
Software	89
Operating system configurations	89
Downloading drivers	89
Chipset driver	89
Serial IO driver	90
Graphics controller driver	90
USB drivers	90
Network drivers	91
Realtek Audio	91
Serial ATA drivers	91
Security drivers	92
Troubleshooting	93
Enhanced Pre-Boot System Assessment ePSA diagnostics	93
Running the ePSA Diagnostics	94
Real Time Clock reset	94