HP ENVY 15-as000 Maintenance and Service Guide

HP ENVY Notebook PC (model numbers 15as000 through 15-as099)

Maintenance and Service Guide IMPORTANT! This document is intended for HP authorized service providers only.

© Copyright 2016 HP Development Company,

L.P.

Product notice

Bluetooth is a trademark owned by its proprietor and used by HP Inc. under license. Intel and Core are U.S. registered trademarks of Intel Corporation. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. SD Logo is a trademark of its proprietor.

This guide describes features that are common to most models. Some features may not be available on your computer.

Not all features are available in all editions of Windows 10. This computer may require upgraded and/or separately purchased hardware, drivers and/or software to take full advantage of Windows 10 functionality. See http://www.microsoft.com for details.

The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth in

the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.

First Edition: April 2016

Document Part Number: 855524-001

Safety warning notice

WARNING! To reduce the possibility of heat-related injuries or of overheating the device, do not place

the device directly on your lap or obstruct the device air vents. Use the device only on a hard, at surface. Do not allow another hard surface, such as an adjoining optional printer, or a soft surface, such as pillows or rugs or clothing, to block air ow. Also, do not allow the AC adapter to contact the skin or a soft surface, such as pillows or rugs or clothing, during operation. The device and the AC adapter comply with the user-accessible surface temperature limits de ned by the International Standard for Safety of Information Technology Equipment (IEC 60950).

iii

iv Safety warning notice

Table of contents

1 Product description .......................................................................................................................................	1
2 External component dent c t on ..................................................................................................................	4
Locating hardware .................................................................................................................................................	4
Locating software ..................................................................................................................................................	4
Display ....................................................................................................................................................................	5
Button, speakers, and vent ....................................................................................................................................	7
Keys ........................................................................................................................................................................	8
Lights ......................................................................................................................................................................	9
TouchPad ..............................................................................................................................................................	10
Left side ...............................................................................................................................................................	11
Right side .............................................................................................................................................................	12
Bottom .................................................................................................................................................................	13
3 Illustrated parts catalog ..............................................................................................................................	14
Locating the product number, warranty information, model number, and serial number ...............................	14
Computer major components ..............................................................................................................................	15
Display components ............................................................................................................................................	18
Miscellaneous parts .............................................................................................................................................	19
4 Removal and replacement procedures preliminary requirements ....................................................................	21
Tools required ......................................................................................................................................................	21
Service considerations .........................................................................................................................................	21
Plastic parts .......................................................................................................................................	21
Cables and connectors ......................................................................................................................	22
Drive handling ...................................................................................................................................	22
Grounding guidelines ...........................................................................................................................................	23
Electrostatic discharge damage ........................................................................................................	23
Packaging and transporting guidelines ..........................................................................	24
Workstation guidelines ...................................................................................................	24
Equipment guidelines .....................................................................................................	25
5 Removal and replacement procedures ...........................................................................................................	26
Component replacement procedures ..................................................................................................................	26
Bottom cover .....................................................................................................................................	26
Battery ...............................................................................................................................................	29

v

Hard drive ..........................................................................................................................................	30
Memory module ................................................................................................................................	31
Solid-state drive ................................................................................................................................	33
RTC battery ........................................................................................................................................	34
WLAN module ....................................................................................................................................	35
Fan .....................................................................................................................................................	37
TouchPad cable ..................................................................................................................................	38
TouchPad ...........................................................................................................................................	39
Power connector cable ......................................................................................................................	40
USB board cables ...............................................................................................................................	42
USB board ..........................................................................................................................................	43
System board ....................................................................................................................................	45
Heat sink ............................................................................................................................................	48
Speakers ............................................................................................................................................	49
Display assembly ...............................................................................................................................	50
6 Using Setup Utility (BIOS) .............................................................................................................................	61
Starting Setup Utility (BIOS) ................................................................................................................................	61
Updating Setup Utility (BIOS) ..............................................................................................................................	61
Determining the BIOS version ...........................................................................................................	61
Downloading a BIOS update ..............................................................................................................	62
7 Using HP PC Hardware Diagnostics (UEFI) .......................................................................................................	63
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ....................................................................	63
8 pec c t ons ..............................................................................................................................................	65
Computer speci cations ......................................................................................................................................	65
9 Backing up, restoring, and recovering ...........................................................................................................	67
Creating recovery media and backups ................................................................................................................	67
Creating HP Recovery media (select products only) .........................................................................	67
Using Windows tools ...........................................................................................................................................	68
Restore and recovery ...........................................................................................................................................	69
Recovering using HP Recovery Manager ...........................................................................................	69
What you need to know before you get started .............................................................	69
Using the HP Recovery partition (select products only) .................................................	70
Using HP Recovery media to recover ..............................................................................	70
Changing the computer boot order ................................................................................	71
Removing the HP Recovery partition (select products only) .........................................	72

vi

10	Power cord set requirements ......................................................................................................................	73
	Requirements for all countries ............................................................................................................................	73
	Requirements for speci c countries and regions ................................................................................................	73
11	Recycling ..................................................................................................................................................	75
Index .............................................................................................................................................................		76

vii

viii

1Product description

Category	Description
Product Name	HP ENVY Notebook PC (Model numbers used 15-as000 through 15-as099)
Processor	●	Intel® Core™ i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1600-MHz FSB, 4.0-
		MB L3 cache, dual core, 15-W)
	●	Intel Core i5-6260U 1.80-GHz (SC turbo up to 2.90-GHz) processor (1600-MHz FSB, 4.0-MB
		L3 cache, dual core, 15-W)
	●	Intel Core i5-6200U 2.30-GHz (SC turbo up to 2.80-GHz) processor (1600-MHz FSB, 3.0-MB
		L3 cache, dual core, 15-W)
Chipset	Integrated soldered-on-circuit (SoC)
Graphics	Internal Graphics:
	Intel Iris™ Graphics 540 on computer models equipped with an Intel Core i7-6500U processor
	Intel HD Graphics 520 on computer models equipped with an Intel Core i5-6260U, Intel Core
	i5-6200U, or Intel Core i3-6100U processor
	Support for HD decode, DX12, and high-de nition multimedia interface (HDMI)
	Support for Optimus
	Support for GPU performance scaling (GPS)
Panel	15.6-in, RGBW, ultrahigh-de nition (UHD), white light-emitting diode (WLED), AntiGlare
	(3840×2160), slimat (3.2-mm), UWVA, eDP+PSR, 16:9 ultra wide aspect ratio, typical
	brightness: 300 nits; TouchScreen, MultiTouch-enabled
	15.6-in, full high-de nition (FHD), WLED, BrightView (1920×1080), slimat (3.2-mm), UWVA,
	eDP, 16:9 ultra wide aspect ratio, typical brightness: 220 nits; TouchScreen and non-
	TouchScreen, MultiTouch-enabled
Memory	Two memory slots, non-accessible
	Support for DDR4-2133 Dual Channel
	Support for up to 16-GB maximum on-board system memory
	●	16384 MB (8192 MB × 2)
	●	12288 MB (8192 MB + 4096 MB)
	●	8192 MB (8192 MB × 1)
	●	8192 MB (4096 MB × 2)
	●	6144 MB (4096 MB 1 2048 MB)
	●	4096 MB (4096 MB × 2)
Hard drive	Support for all 7.2-mm and 7.0-mm, SATA, 2.5-in hard drives
	Support for 1-TB, 5400-rpm, 7.2-mm hard drive and 500-GB, 7200-rpm, 7.2-mm hard drive
	Support for Accelerometer hard drive protection
	Support for hard drive and solid-state drive in the following combinations:
	●	1-TB, 5400-rpm, 7.2-mm hard drive and 512-MB, M.2, PCIe, NVMe solid-state drive
		supporting TLC

1

Category	Description
Hard drive (continued)	●	1-TB, 5400-rpm, 7.2-mm hard drive and 256-MB, M.2, PCIe, NVMe solid-state drive
		supporting TLC
	●	1-TB, 5400-rpm, 7.2-mm hard drive and 256-MB, M.2, SATA solid-state drive
		supporting TLC
Solid-state drive	Support for next generation form factor (NGFF), M.2 solid-state drive, default with SATA/PCIe
	co-layout port (assigned port 0 for solid-state drive to support hard drive/solid-state drive
	combination)
	Support for the following solid-state drives:
	●	512-MB, M.2, PCIe, NVMe solid-state drive supporting triple-level cell (TLC)
	●	256-MB, M.2, PCIe, NVMe solid-state drive supporting TLC
	●	256-MB, M.2, SATA solid-state drive supporting TLC
	●	128-MB, M.2, solid-state drive
Audio and video	HP TrueVision HD webcam with indicator light, 2 IR indicator lights, 720p by 30 frames per
	second, HD BSI sensor + IR sensor, f2.0
	HP Wide Vision HD webcam with indicator light, 720p by 30 frames per second, BSI sensor, f2.0,
	88° wide eld of vision
	Support for B & O Play
	Dual speakers
	HD Audio (Conexant CX7700)
	Integrated dual-array microphones with appropriate beam-forming, echo-cancellation, and
	noise suppression software
	Support for Smart Amp
	Support for voice recognition
Ethernet	Integrated 10/100/1000 network interface card (NIC)
Sensors	Accelerometer
Wireless	Integrated wireless local area network (WLAN) options by way of wireless module
	Two built-in WLAN antennas (M.2 / PCIe)
	Support for the Intel Dual Band Wireless-AC 7265 802.11 ac 2×2 WiFi + Bluetooth 4.2
	Combo Adapter WLAN module
	Compatible with		ira	ast-certi	ed devices
	Support for Intel WiDi
	Compatible with		ira	ast-certi	ed devices
External media cards	Micro-Secure Digital (SD™) media reader slot
Ports	●	Audio-in (mono microphone)/audio-out (stereo headphone) combination
	●	AC Smart Pin adapter plug
	●	HDMI v1.4 supporting up to 1920×1080 @ 60 Hz
	●	USB 3.0 ports (3)
	●	USB 3.0 port Type-C
Keyboard/pointing devices	Full-sized, backlit, island-style, backlit keyboard with numeric keypad
	TouchPad requirements:

2Chapter 1 Product description

Category	Description
Keyboard/pointing devices	●	ClickPad with image sensor
(continued)	●	Multitouch gestures enabled
	●	Support for Windows modern trackpad gestures
	●	Taps enabled as default
Power requirements	Support for a 3-cell, 52-WHr, 4.56-AHr, Li-ion battery
	Support for the following AC adapters
	●	65-W HP Smart AC adapter (non-PFC, EM, 4.5-mm)
	●	45-W HP Smart AC adapter (non-PFC, RC, 4.5-mm)
	●	45-W HP Smart AC adapter (non-PFC, with mount, 4.5-mm)
Security	Trusted platform module (TPM) 2.0
	Security cable lock
Operating system	Preinstalled:
	●	Windows 10
	●	Windows 10 Professional
	●	Windows 7 Professional 64and 32-bit
	For Developed Market (ML): Windows 10 Home ML and Windows 10 Home High End ML
	For Emerging Market (EM/SL):
	●	Windows 10 Home EM/SL
	●	Windows 10 Home High End EM/SL/China
	●	CPPP Windows 10 Home China Language Edition
	●	SEAP Windows 10 Home Single Language Edition
	●	SEAP Windows 10 Home High End
Serviceability	End user replaceable parts: AC adapter

3

2 External component dent c t on

Locating hardware

To nd out what hardware is installed on the computer:

▲Type device manager in the taskbar search box, and then select the Device Manager app.

A list displays all the devices installed on the computer.

For information about system hardware components and the system BIOS version number, press fn+esc (select products only).

Locating software

To nd out what software is installed on the computer:

▲Select the Start button, and then select All apps.

‒ or –

Right-click the Start button, and then select Programs and Features.

4 Chapter 2 External component identi cation

Display

NOTE: Refer to the illustration that most closely matches the computer. [cad edit-need di erent image]

Item	Component	Description
(1)	WLAN antennas (2)*	Send and receive wireless signals to communicate with WLANs.
(2)	Internal microphones	Record sound.
(3)	Camera light	On: The camera is in use.
(4)	Camera	Allows you to video chat, record video, and record still images.
		To use the camera:
		▲ Type camera in the taskbar search box, and then
		select Camera.
(5)	3D camera light (select products only)	On: The 3D camera is in use.
(6)	3D camera (select products only)	Allows you to video chat and scan or capture 3D images. 3D apps for

gaming, security, and immersive collaboration are available to maximize the 3D camera experience.

To use the 3D camera:

▲ On select products, type Intel RealSense in the taskbar search box to explore additional features, demos, and apps.

*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions.

For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or region.

To access this guide:

▲Select the Start button, select All apps, select HP Help and Support, and then select HP Documentation.

Display 5

Item	Component	Description
(1)	WLAN antennas (2)*	Send and receive wireless signals to communicate with WLANs.
(2)	Internal microphones (2)	Record sound.
(3)	Camera light	On: The camera is in use.
(4)	Camera	Allows you to video chat, record video, and record still images.
		To use the camera:

▲ Type camera in the taskbar search box, and then select Camera.

*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around the antennas free from obstructions.

For wireless regulatory notices, see the section of the Regulatory, Safety, and Environmental Notices that applies to your country or region.

To access this guide:

▲Select the Start button, select All apps, select HP Help and Support, and then select HP Documentation.

6 Chapter 2 External component identi cation

Button, speakers, and vent

Item	Component	Description
(1)	Power button	●	When the computer is o , press the button to turn on
			the computer.
		●	When the computer is on, press the button brie y to
			initiate Sleep.
		●	When the computer is in the Sleep state, press
			the button brie y to exit Sleep.
		●	When the computer is in Hibernation, press the button
			brie y to exit Hibernation.
		CAUTION: Pressing and holding down the power button
		results in the loss of unsaved information.
		If the computer has stopped responding and shutdown
		procedures are ine ective, press and hold the power button
		down for at least 5 seconds to turn o the computer.
		To learn more about your power settings, see your
		power options.
		▲	Type power in the taskbar search box, and then select
			Power and sleep settings.
			‒ or –
			Right-click the Start button, and then select
			Power Options.
(2)	Speakers	Product sound.
(3)	Vent	Enables air ow to cool internal components.

Button, speakers, and vent

7

Item

Component

Description

NOTE: The computer fan starts up automatically to cool internal components and prevent overheating. It is normal for the internal fan to cycle on and o during routine operation.

Keys

Item	Component	Description
(1)	esc key	Displays system information when pressed in combination
		with the fn key.
(2)	fn key	Displays system information when pressed in combination
		with the esc key.
(3)	Windows key	Opens the Start menu.
		NOTE: Pressing the Windows key again will close
		the Start menu.
(4)	Action keys	Execute frequently used system functions.
		NOTE: On select products, the f5 action key turns
		the keyboard backlight feature o or on.
(5)	num lock key (select products only)	Alternates between the navigational and numeric functions
		on the integrated numeric keypad.
(6)	Integrated numeric keypad	When num lock is on, the keypad can be used like an external
		numeric keypad.

8 Chapter 2 External component identi cation

Lights

Item	Component	Description
(1)	Power light	●	On: The computer is on.
		●	Blinking: The computer is in the Sleep state, a power-
			saving state. The computer shuts o power to
			the display and other unneeded components.
		●	The computer is o or in Hibernation. Hibernation
			is a power-saving state that uses the least amount
			of power.
(2)	Mute light	●	Amber: Computer sound is o .
		●	Computer sound is on.
(3)	Caps lock light	On: Caps lock is on, which switches the key input to all
		capital letters.

Lights 9

TouchPad

Item	Component	Description
(1)	TouchPad zone	Reads your nger gestures to move the pointer or activate
		items on the screen.
(2)	Left TouchPad button	Functions like the left button on an external mouse.
(3)	Right TouchPad button	Functions like the right button on an external mouse.

10 Chapter 2 External component identi cation

Left side

Item	Component	Description
(1)	Security cable slot	Attaches an optional security cable to the computer.
		NOTE: The security cable is designed to act as a deterrent,
		but it may not prevent the computer from being mishandled
		or stolen.
(2)	USB 3.0 ports (2)	Connects optional USB devices, such as a keyboard, mouse,
		external drive, printer, scanner, or USB hub.
(3)	Drive light	●	Blinking white: The hard drive is being accessed.
		●	Amber: HP 3D DriveGuard has temporarily parked
			the hard drive.

Left side 11

Right side

Item	Component	Description
(1)	Audio-out (headphone)/Audio-in (microphone) combo jack	Connects optional powered stereo speakers, headphones,
		earbuds, a headset, or a television audio cable. Also connects
		an optional headset microphone. This jack does not support
		optional standalone microphones.
		WARNING! To reduce the risk of personal injury, adjust
		the volume before putting on headphones, earbuds, or a
		headset. For additional safety information, refer to
		the Regulatory, Safety, and Environmental Notices.
		To access this guide:
		▲ Select the Start button, select All apps, select HP Help
			and Support, and then select HP Documentation.
		NOTE: When a device is connected to the jack,
		the computer speakers are disabled.
(2)	USB Type-C port	Connects an optional USB device with a Type-C connector.
(3)	Memory card reader	Reads optional memory cards that enable you to store,
		manage, share, or access information.
		To insert a card:
		1.	Hold the card label-side up, with connectors facing
			the computer.
		2.	Insert the card into the memory card reader, and then
			press in on the card until it is rmly seated.
		To remove a card:
		▲ Press in on the card, and then remove it from
			the memory card reader.
(4)	HDMI port	Connects an optional video or audio device, such as a high-
		de	nition television, any compatible digital or audio
		component, or a high-speed HDMI device.
(5)	USB 3.0 charging (powered) port	Connects an optional USB device, such as a keyboard, mouse,
		external drive, printer, scanner, or USB hub. Standard USB
		ports will not charge all USB devices or will charge using a
		low current. Some USB devices require power and require
		you to use a powered port.
		NOTE: USB charging ports can also charge select models of
		cell phones and MP3 players, even when the computer is o .
(6)	AC adapter and battery light	●	White: The AC adapter is connected and the battery is
			fully charged.

12 Chapter 2 External component identi cation

Item	Component	Description
(6)	AC adapter and battery light (continued)	●	Blinking white: The AC adapter is disconnected
			and the battery has reached a low battery level.
		●	Amber: The AC adapter is connected and the battery
			is charging.
		●	The battery is not charging.
(7)	Power connector	Connects an AC adapter.

Bottom

Component	Description
Vent	Enables air ow to cool internal components.
	NOTE: The computer fan starts up automatically to cool
	internal components and prevent overheating. It is normal
	for the internal fan to cycle on and o during routine
	operation.

Bottom 13

3Illustrated parts catalog

NOTE: HP continually improves and changes product parts. For complete and current information on supported parts for your computer, go to http://partsurfer.hp.com, select your country or region, and then follow the on-screen instructions.

Locating the product number, warranty information, model number, and serial number

The product number (1), warranty information (2), model number (3), and serial number (4) are located on the bottom of the computer. This information may be needed when travelling internationally or when contacting support.

14 Chapter 3 Illustrated parts catalog

Computer major components

Item

Component

Spare part number

(1)Display assembly: The TouchScreen display assembly is spared as an entire assembly. Spare part number information for TouchScreen display assemblies is listed immediately below. The non-TouchScreen display assembly is spared at

the subcomponent level only. For more non-TouchScreen display assembly spare part information, see Display components on page 18.

15.6-in, RGBW, UHD, WLED, AntiGlare (3840×2160), uslim-	at (2.68-mm), UWVA, eDP+PSR	858712-001
TouchScreen display assembly equipped with HDC and infrared webcam
15.6-in, RGBW, UHD, WLED, AntiGlare (3840×2160), uslim-	at (2.68-mm), UWVA, eDP+PSR	857440-001
TouchScreen display assembly equipped with HDC and non-infrared webcam

Computer major components 15

Item	Component		Spare part number
	15.6-in, FHD, WLED, BrightView (1920×1080), slim-	at (3.0-mm), UWVA, eDP TouchScreen	858711-001
	display assembly equipped with HDC and infrared webcam
	15.6-in, FHD, WLED, BrightView (1920×1080), slim-	at (3.0-mm), UWVA, eDP TouchScreen	857439-001
	display assembly equipped with HDC and non-infrared webcam
(2)	Keyboard/top cover with backlight and pointing stick (includes backlight cable, keyboard cable, and pointing stick cable):
	For use in Belgium		857799-A41
	For use in Bulgaria		857799-261
	For use in Canada		857799-DB1
	For use in the Czech Republic and Slovakia		857799-FL1
	For use in Denmark, Finland, and Norway		857799-DH1
	For use in France		857799-051
	For use in Germany		857799-041
	For use in Greece		857799-151
	For use in Hungary		857799-211
	For use in Israel		857799-BB1
	For use in Italy		857799-061
	For use in Japan		857799-291
	For use in Latin America		857799-161
	For use in the Netherlands		857799-B31
	For use in Portugal		857799-131
	For use in Romania		857799-271
	For use in Russia		857799-251
	For use in Saudi Arabia		857799-171
	For use in Slovenia		857799-BA1
	For use in South Korea		857799-AD1
	For use in Spain		857799-071
	For use in Switzerland		857799-BG1
	For use in Taiwan		857799-AB1
	For use in Thailand		857799-281
	For use in Turkey		857799-141
	For use in the United Kingdom		857799-031
	For use in the United States		857799-001
(3)	TouchPad		857801-001

NOTE: The TouchPad spare part kit does not include the TouchPad bracket or TouchPad cable. The TouchPad bracket is available using spare part number 857796-001.

The TouchPad cable is available using spare part number 857807-001.

16 Chapter 3 Illustrated parts catalog

Item	Component	Spare part number
(4)	TouchPad bracket	857796-001
(5)	TouchPad cable (includes double-sided adhesive)	857807-001
(6)	Power connector cable (includes bracket, item 7)	857438-001
(7)	Power connector cable bracket (included with power connector cable spare part kit, spare part number 857438-001)
(8)	Speakers (includes left and right speakers and cables)	857804-001
(9)	Solid-state drive:
	512-GB, M2, PCIe, NVMe solid-state drive supporting TLC	857487-001
	256-GB, M2, SATA-3 solid-state drive supporting TLC	857485-001
	256-GB, M2, PCIe, NVMe solid-state drive supporting TLC	857486-001
	128-GB, M2, SATA-3 solid-state drive	857484-001
	I/O Bracket Kit, includes:	857795-001
(10)	System board short support bridge
(11)	System board long support bridge
(12)	Power connector cable bracket
(13)	USB board bracket
(14)	System board (includes graphic subsystem with UMA memory and replacement thermal material):
	Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1600-	857242-601
	MHz FSB, 4.0-MB L3 cache, dual core, 15-W) and the Windows 10 operating system
	Equipped with an Intel Core i7-6500U 2.50-GHz (SC turbo up to 3.10-GHz) processor (1600-	857242-001
	MHz FSB, 4.0-MB L3 cache, dual core, 15-W) and a non-Windows operating system
	Equipped with an Intel Core i5-6260U 1.80-GHz (SC turbo up to 2.90-GHz) processor (1600-	857241-601
	MHz FSB, 4.0-MB L3 cache, dual core, 15-W) and the Windows 10 operating system
	Equipped with an Intel Core i5-6260U 1.80-GHz (SC turbo up to 2.90-GHz) processor (1600-	857241-001
	MHz FSB, 4.0-MB L3 cache, dual core, 15-W) and a non-Windows operating system
	Equipped with an Intel Core i5-6200U 2.30-GHz (SC turbo up to 2.80-GHz) processor (1600-	857243-601
	MHz FSB, 3.0-MB L3 cache, dual core, 15-W) and the Windows 10 operating system
	Equipped with an Intel Core i5-6200U 2.30-GHz (SC turbo up to 2.80-GHz) processor (1600-	857243-001
	MHz FSB, 3.0-MB L3 cache, dual core, 15-W) and a non-Windows operating system
(15)	USB board (includes cables and 2 USB ports)	857794-001
	NOTE: The USB board cables are also available using spare part numbers 858701-001 and
	857802-001.
(16)	USB board cable (190mm)	858701-001
(17)	USB board cable (173mm)	857802-001
(18)	RTC battery (includes cable and double-sided adhesive)	857798-001
(19)	Memory modules (2):
	8-GB (2133, 1.2-V, DDR4)	820448-858
	4-GB (2133, 1.2-V, DDR4)	820447-858

Computer major components 17

Item	Component	Spare part number
	2-GB (2133, 1.2-V, DDR4)	851227-857
(20)	Intel Dual Band Wireless-AC 7265 802.11 ac 2×2 WiFi + Bluetooth 4.2 Combo Adapter	793747-857
(21)	Heat sink (includes replacement thermal material)	857245-001
(22)	Fan (includes cable)	857805-001
(23)	Battery (3-cell, 52-WHr, 4.56-AHr, Li-ion; includes cable)	849313-856
(24)	Hard drive:
	1-TB, 5400-rpm, SATA, 7.2-mm	762888-856
	500-GB, 5400-rpm, SATA, 7.0-mm	683839-856
(25)	Hard drive cable (includes double-sided adhesive)	857806-001
(26)	Hard drive rubber bracket	857797-001
(27)	Bottom cover (includes front rubber foot strip, shielding and vents)	857800-001
	Rubber Kit (not illustrated; includes bottom cover rubber foot strip)	858700-001

Display components

18 Chapter 3 Illustrated parts catalog