HP 255 G6 Notebook PC Maintenance and Service Guide

HP 255 G6 Notebook PC
Maintenance and Service Guide
© Copyright 2017 HP Development Company, L.P.
AMD is a trademark of Advanced Micro Devices, Inc. Bluetooth is a trademark owned by its proprietor and used by HP Inc. under license. Intel, Celeron, and Pentium are trademarks of Intel Corporation in the U.S. and other countries. Microsoft and Windows are U.S. registered trademarks of the Microsoft group of companies.
In accordance with Microsoft’s support policy, HP does not support the Windows 8 or Windows 7 operating system on products congured with Intel and AMD 7th generation and forward processors or provide any Windows 8 or Windows 7 drivers on
http://www.support.hp.com.
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.
Product notice
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 or versions of Windows. Systems may require upgraded and/or separately purchased hardware, drivers, software or BIOS update to take full advantage of Windows functionality. Windows 10 is automatically updated, which is always enabled. ISP fees may apply and additional requirements may apply over time for updates. Go to http://www.microsoft.com for details.
To access the latest user guides or manuals for your product, go to http://www.hp.com/
support, and select your country. Select Find
your product, and then follow the on-screen instructions.
Software terms
By installing, copying, downloading, or otherwise using any software product preinstalled on this computer, you agree to be bound by the terms of the HP End User License Agreement (EULA). If you do not accept these license terms, your sole remedy is to return the entire unused product (hardware and software) within 14 days for a full refund subject to the refund policy of your seller.
For any further information or to request a full refund of the price of the computer, please contact your seller.
First Edition: April 2017
Document Part Number: 926814-001
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 60950-1).
iii
iv Safety warning notice
Table of contents
1 Product description ....................................................................................................................................... 1
2 Components .................................................................................................................................................. 5
Right ....................................................................................................................................................................... 5
Left ......................................................................................................................................................................... 6
Display .................................................................................................................................................................... 8
Keyboard area ........................................................................................................................................................ 9
TouchPad ............................................................................................................................................. 9
Lights ................................................................................................................................................. 10
Button ................................................................................................................................................ 11
Special keys ....................................................................................................................................... 12
Action keys ........................................................................................................................................ 13
Bottom ................................................................................................................................................................. 14
Labels ................................................................................................................................................................... 15
3 Illustrated parts catalog .............................................................................................................................. 17
Computer major components .............................................................................................................................. 17
Display assembly subcomponents ...................................................................................................................... 20
Cables ................................................................................................................................................................... 21
Mass storage devices ........................................................................................................................................... 22
Miscellaneous parts ............................................................................................................................................. 23
4 Removal and replacement procedures preliminary requirements .................................................................... 25
Tools required ...................................................................................................................................................... 25
Service considerations ......................................................................................................................................... 25
Plastic parts ....................................................................................................................................... 25
Cables and connectors ...................................................................................................................... 25
Drive handling ................................................................................................................................... 26
Grounding guidelines ........................................................................................................................................... 26
Electrostatic discharge damage ........................................................................................................ 26
Packaging and transporting guidelines .......................................................................... 27
Workstation guidelines ................................................................................ 27
5 Removal and replacement procedures for Customer Self-Repair parts ............................................................. 29
Component replacement procedures .................................................................................................................. 29
Battery ............................................................................................................................................... 30
v
Optical drive ....................................................................................................................................... 31
6 Removal and replacement procedures for Authorized Service Provider parts ................................................... 33
Component replacement procedures .................................................................................................................. 33
Display subcomponents (bezel, panel, camera) ............................................................................... 33
Rubber feet ........................................................................................................................................ 37
Bottom cover ..................................................................................................................................... 38
WLAN module .................................................................................................................................... 41
Memory module ................................................................................................................................ 43
Optical drive connector board ........................................................................................................... 44
Hard drive and hard drive connector board ...................................................................................... 45
M.2 solid-state drive adapter bracket and connector board ............................................................ 48
Solid-state drive (SSD) ...................................................................................................................... 50
RTC battery ........................................................................................................................................ 51
Speakers ............................................................................................................................................ 52
USB board .......................................................................................................................................... 53
Fan ..................................................................................................................................................... 54
Heat sink assembly ........................................................................................................................... 56
TouchPad button board ..................................................................................................................... 60
System board .................................................................................................................................... 61
Display assembly ............................................................................................................................... 63
Power connector cable ...................................................................................................................... 73
Power button board .......................................................................................................................... 74
Cable locations .................................................................................................................................. 75
Top cover/keyboard ........................................................................................................................... 76
7 Using Setup Utility (BIOS) ............................................................................................................................. 77
Starting Setup Utility (BIOS) ................................................................................................................................ 77
Updating Setup Utility (BIOS) .............................................................................................................................. 77
Determining the BIOS version ........................................................................................................... 77
Downloading a BIOS update .............................................................................................................. 78
8 Backing up, restoring, and recovering ........................................................................................................... 79
Creating recovery media and backups ................................................................................................................ 79
Creating HP Recovery media (select products only) ......................................................................... 79
Using Windows tools ........................................................................................................................................... 80
Restore and recovery ........................................................................................................................................... 81
Recovering using HP Recovery Manager ........................................................................................... 81
What you need to know before you get started ............................................................. 81
Using the HP Recovery partition (select products only) ................................................. 82
vi
Using HP Recovery media to recover .............................................................................. 82
Changing the computer boot order ................................................................................ 83
Removing the HP Recovery partition (select products only) ......................................... 84
9 Using HP PC Hardware Diagnostics (UEFI) ....................................................................................................... 85
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device .................................................................... 85
10 Specications ............................................................................................................................................ 87
Computer specications ...................................................................................................................................... 87
39.6-cm (15.6-in) display specications ............................................................................................................. 88
Hard drive specications ..................................................................................................................................... 89
M.2 solid-state drive specications .................................................................................................................... 90
DVD±RW SuperMulti DL Drive specications ....................................................................................................... 91
11 Statement of memory volatility .................................................................................................................. 93
Nonvolatile memory usage ................................................................................................................................. 95
Questions and answers ....................................................................................................................................... 97
Using HP Sure Start (select models only) ............................................................................................................ 98
12 Power cord set requirements ...................................................................................................................... 99
Requirements for all countries ............................................................................................................................ 99
Requirements for specic countries and regions ............................................................................................. 100
13 Recycling ................................................................................................................................................ 103
Index ........................................................................................................................................................... 105
vii
viii

1 Product description

Category Description
Product name HP HP 255 G6 Notebook PC
Processor AMD Dual-Core processor
A6-9220 (2.5-GHz, turbo up to 2.9 GHz, 2133-MHz/1-MB L2 cache)
E2-9000e (1.5-GHz, turbo up to 2.0 GHz, 1866-MHz/1-MB L2 cache)
Graphics Internal graphics
AMD Radeon™ R4 Graphics
AMD Radeon R2 Graphics
Support HD Decode, DX12, and HDMI
Panel 39.6-cm (15.6-in), high-denition (HD), white light-emitting diode (WLED), SVA, anti glare (1366×768)
display, slim 3.2 mm, eDP; typical brightness: 220 nits
39.6-cm (15.6-in), full high-denition (FHD), white light-emitting diode (WLED), SVA, anti glare (1920×1080) display, slim 3.2 mm, eDP; typical brightness: 220 nits
Memory Two non-customer-accessible/upgradable memory module slots (Intel Core processors)
DDR4-1866 dual channel support (DDR4-2400 bridge to DDR4-1866)
Supports up to 8 GB of system RAM in the following congurations:
8192-MB total system memory (8192×1)
6144-MB total system memory (4096×1) + (2048×1)
4096-MB total system memory (4096×1)
Hard drives Supports 6.35-cm (2.5-in) SATA hard drives in 9.5-mm (.37-in) and 7.2-mm (.28-in) thicknesses
Support for m.2 SATA SSD
Single hard drive congurations:
1-TB, 5400 rpm, 9.5 mm or 7.2 mm
500-GB, 5400 rpm, 7.0-mm
eMMC congurations:
128 GB
M.2 SATA-3 congurations (Value):
256 GB
128 GB
M.2 SATA-3 congurations (TLC):
256 GB
128 GB
Optical drive Fixed, serial ATA, 9.0-mm tray load
DVD+/-RW Double-Layer writer
1
Category Description
Supports zero power optical drive
Supports M-disc
Supports conguration without optical drive
Camera
Mic
Audio Dual speakers
Ethernet Integrated 10/100/1000 network interface card (NIC)
Wireless Network Integrated wireless options with dual antennas (M.2/PCIe):
External media card HP Multi-Format Digital Media Reader
Internal Card One M.2 slot for SSD
Ports VGA (Dsub 15 pin) supporting 1920 ×1200 @ 60Hz
HP TrueVision HD camera - activity LED, USB 2.0, HD BSI sensor, f2.0, 720p by 30 frames per second
HP Camera – VGA camera, indicator LED, USB 2.0, f2.4, 480p by 30 frames per second
Single digital microphone
HP Audio Control
Compatible with Miracast-certied devices
Support for the following WLAN format:
Intel Dual Band Wireless-AC 3168 802.11 ac 1x1 WiFi + BT 4.2 Combo (non-vPro)
Support SD/SDHC/SDXC
Push-pull insertion/removal
One M.2 slot for WLAN
Hot Plug/unplug and auto detect for correct output to wide-aspect vs. standard aspect video
HDMI version 1.4b supporting 1920 ×1080 @ 60Hz
RJ-45 (Ethernet)
USB 3.0 (2 ports; left side)
USB 2.0 (1 right side)
AC Smart Pin adapter plug
Headphone/line out and microphone/line in combo jack
Keyboard/pointing devices
Power AC adapters
2 Chapter 1 Product description
Full-size textured, island style keyboard with numeric keypad
TouchPad with multi-touch gestures enabled
TouchPad taps enabled by default
TouchPad supports Modern Trackpad Gestures
65-W
45-W
1 meter power cord
Batteries
4-cell, 41-Whr Li-ion battery
Category Description
3-cell, 31-Whr Li-ion battery
Security fTPM 2.0
Kensington Security Lock
Operating system Preinstalled
Windows 10
Windows 10 Professional
For Developed Market (ML):
Windows 10 Home ML
Windows 10 Home Plus ML
Windows 10 Pro StF MSNA Standard
For Emerging Market (EM/SL):
Windows 10 Home EM/SL
Windows 10 Home Plus EM/SL
Windows 10 Pro StF MSNA Value (EM)
For China Market:
FreeDOS 2.0
Service End-user replaceable parts
AC adapter
Battery
Optical drive
3
4 Chapter 1 Product description

2 Components

Right

Component Description
(1) Power light
(2) Drive light
(3) Memory card reader Reads optional memory cards that store, manage, share, or
(4) USB 2.0 port Connects a USB device, such as a cell phone, camera, activity
On: The computer is on.
Blinking: The computer is in the Sleep state, a power­saving state. The computer shuts o power to the display and other unneeded components.
O: The computer is o or in Hibernation. Hibernation is a power-saving state that uses the least amount of power.
Blinking white: The hard drive is being accessed.
access information.
To insert a card:
1. Hold the card label-side up, with the 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:
Pull the card out of the memory card reader.
tracker, or smartwatch, and provides data transfer.
(5) Optical drive (select products only) Depending on your computer model, reads an optical disc or
reads and writes to an optical disc.
(6) Optical drive eject button (select products only) Releases the optical drive disc tray.
(7) 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.
Right 5

Left

Component Description
(1) Power connector Connects an AC adapter.
(2) Battery light When AC power is connected:
White: The battery charge is greater than 90 percent.
Amber: The battery charge is from 0 to 90 percent.
O: The battery is not charging.
When AC power is disconnected (battery not charging):
Blinking amber: The battery has reached a low battery level. When the battery has reached a critical battery level, the battery light begins blinking rapidly.
O: The battery is not charging.
(3) 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.
(4) External monitor port Connects an external VGA monitor or projector.
(5) RJ-45 (network) jack/status lights Connects a network cable.
White (left): The network is connected.
Amber (right): Activity is occurring on the network.
(6) 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 High Denition Multimedia Interface (HDMI) device.
(7) USB 3.x SuperSpeed ports (2) Connect a USB device, such as a cell phone, camera, activity
tracker, or smartwatch, and provides high-speed data transfer.
(8) 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.
6 Chapter 2 Components
Component Description
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:
1. Type support in the taskbar search box, and then select
the HP Support Assistant app.
or –
Click the question mark icon in the taskbar.
2. Select My PC, select the Specications tab, and then
select User Guides.
NOTE: When a device is connected to the jack, the computer
speakers are disabled.
Left 7

Display

Component Description
(1) WLAN antennas* Send and receive wireless signals to communicate with wireless
local area networks (WLANs).
(2) Camera light On: The camera is in use.
(3) Camera Records video and captures photographs. Some models allow
you to video conference and chat online using streaming video.
To use the camera:
Type camera in the taskbar search box, and then select
Camera.
(4) Internal microphone Records sound.
*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:
1. Type support in the taskbar search box, and then select the HP Support Assistant app.
or –
Click the question mark icon in the taskbar.
2. Select My PC, select the Specications tab, and then select User Guides.
8 Chapter 2 Components

Keyboard area

TouchPad

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.
Keyboard area 9

Lights

Component Description
(1) Caps lock light On: Caps lock is on, which switches the key input to all capital
letters.
(2) Mute light
Amber: Computer sound is o.
O: Computer sound is on.
10 Chapter 2 Components

Button

Component Description
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 for at least 5 seconds to turn o the computer.
To learn more about your power settings, see your power options.
Type power options in the taskbar search box, and then
select Power Options.
or –
Right-click the Power meter icon and then select Power
Options.
Keyboard area 11

Special keys

Component Description
(1) esc key Displays system information when pressed in combination with
(2) fn key Executes frequently used system functions when pressed in
the fn key.
combination with another key. Such key combinations are called hot keys.
(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.
See Action keys on page 13.
(5) num lk key Turns the embedded numeric keypad on and o.
(6) Integrated numeric keypad A separate keypad to the right of the alphabet keyboard. When
num lk is pressed, the integrated keypad can be used like an
external numeric keypad.
NOTE: If the keypad function is active when the computer is
turned o, that function is reinstated when the computer is turned back on.
12 Chapter 2 Components

Action keys

An action key performs the function indicated by the icon on the key. To determine which keys are on your product, see Special keys on page 12.
Icon Description
To use an action key, press and hold the key.
Opens Help and Support, which provides tutorials, information about the Windows operating system and your computer, answers to questions, and updates to your computer.
Help and Support also provides automated troubleshooting tools and access to support.
Decreases the screen brightness incrementally as long as you hold down the key.
Increases the screen brightness incrementally as long as you hold down the key.
Switches the screen image among display devices connected to the system. For example, if a monitor is connected to the computer, repeatedly pressing the key alternates the screen image from computer display to monitor display to simultaneous display on both the computer and monitor.
Turns the keyboard backlight o or on.
NOTE: To conserve battery power, turn o this feature.
Mutes or restores speaker sound.
Decreases speaker volume incrementally while you hold down the key.
Increases speaker volume incrementally while you hold down the key.
Plays the previous track of an audio CD or the previous section of a DVD or a Blu-ray Disc (BD).
Starts, pauses, or resumes playback of an audio CD, a DVD, or a BD.
Plays the next track of an audio CD or the next section of a DVD or a BD.
Turns the airplane mode and wireless feature on or o.
NOTE: The airplane mode key is also referred to as the wireless button.
NOTE: A wireless network must be set up before a wireless connection is possible.
NOTE: The action key feature is enabled at the factory. You can disable this feature by pressing and holding
the fn key and the left shift key. The fn lock light will turn on. After you have disabled the action key feature, you can still perform each function by pressing the fn key in combination with the appropriate action key.
Keyboard area 13

Bottom

Component Description
(1) Battery lock Locks the battery in the battery bay.
(2) Battery bay Holds the battery.
(3) Battery release latch Releases the battery.
(4) Speakers (2) Produce sound.
(5) 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.
14 Chapter 2 Components

Labels

The labels axed to the computer provide information you may need when you troubleshoot system problems or travel internationally with the computer.
IMPORTANT: Check the following locations for the labels described in this section: the bottom of the
computer, inside the battery bay, under the service door, or on the back of the display.
Service label—Provides important information to identify your computer. When contacting support, you will probably be asked for the serial number, and possibly for the product number or the model number. Locate these numbers before you contact support.
Your service label will resemble one of the examples shown below. Refer to the illustration that most closely matches the service label on your computer.
Component
(1) Serial number
(2) Product number
(3) Warranty period
(4) Model number (select products only)
Component
(1) Model name (select products only)
(2) Product number
(3) Serial number
(4) Warranty period
Regulatory label(s)—Provide(s) regulatory information about the computer.
Wireless certication label(s)—Provide(s) information about optional wireless devices and the approval markings for the countries or regions in which the devices have been approved for use.
Labels 15
16 Chapter 2 Components

3 Illustrated parts catalog

Computer major components

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.
Computer major components 17
Item Component Spare part
number
(1) Display assembly
NOTE: For display assembly spare part information, see Display assembly subcomponents
on page 20.
(2) Top cover/keyboard
NOTE: For a detailed list of keyboard country codes, see Top cover/keyboard on page 76.
Asteroid silver models with no backlight 929904-xxx
Dark ash silver models with no backlight 929906-xxx
(3) RTC battery 922847-001
(4) TouchPad button board 924993-001
(5) Power button board 924994-001
(6) Solid-state drive, M.2
256 GB 926271-001
128 GB 926270-001
(7) Power connector cable 931613-001
(8) USB board 924991-001
Heat sink assembly (includes replacement thermal materials)
(9) For use in models with UMA graphics and AMD dual core, 6 W processors 925019-001
not spared
(10) For use in models with UMA graphics and AMD dual core, 15 W processors 925020-001
(11) For use in models with UMA graphics memory and AMD quad core processors 925017-001
(11) For use in models with discrete graphics memory and AMD dual core processors 925021-001
For use in models with discrete graphics memory and AMD quad core processors 925018-001
(12) Fan 925012-001
(13) Memory module (DDR4-2400)
8-GB 862398-855
4 GB 862397-855
2 GB 864271-855
(14) WLAN module
Intel Dual Band Wireless-AC 3168 802.11 ac 1x1 WiFi + BT 4.2 Combo Adapter 863934-855
(15) Hard drive connector board 924995-001
(16) Optical drive connector board 924990-001
(17) Optical drive (DVD+/-RW Double-Layer SuperMulti) 920420-004
(18) Hard drive bracket 924980-001
(19) Hard drive, 2.5 inch (does not include bracket, connector board, or cable)
1-TB, 5400-rpm 778192-005
18 Chapter 3 Illustrated parts catalog
Item Component Spare part
number
(20) Solid-state drive board 924992-001
(21) Solid-state drive bracket 924981-001
(22) System board (includes replacement thermal materials)
AMD A6-9220P processor 926268-xx1
AMD E2-9000e processor 926269-xx1
(23) Speakers (includes left and right speakers and cable) 925306-001
(24) Battery
4-cell, 41-Whr, 2.8-Ah Li-ion battery 919701-850
3-cell, 31-Whr, 2.8-Ah Li-ion battery 919700-850
(25) Rubber Kit (includes upper feet)
Asteroid silver 931599-001
500-GB, 7200-rpm 703267-005
500-GB, 5400-rpm 778186-005
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows 10 operating system
Dark ash silver 931600-001
(26) Rubber Kit (includes lower feet)
Asteroid silver 931601-001
Dark ash silver 931602-001
(27) Bottom cover
For use in models with an optical drive:
For use in models without an optical drive:
Asteroid silver 929894-001
Dark ash silver 929895-001
Dark ash silver 929897-001
Computer major components 19

Display assembly subcomponents

Item Component Spare part number
(1) Display bezel 924925-001
(2) Camera/microphone module
HD 919475-003
VGA 919476-003
(3) Raw display panel (39.6-cm [15.6-in])
FHD 850475-004
HD 850477-004
(4) Hinge cover
Left, asteroid silver 929900-001
Right, asteroid silver 929901-001
Left, dark ash silver 929902-001
20 Chapter 3 Illustrated parts catalog

Cables

Item Component Spare part number
Right, dark ash silver 929903-001
(5) Hinge Kit (left and right) 925297-001
(6) Antenna (includes wireless antenna cable and transceiver) 925032-001
(7) Display cable (includes display panel cable and camera/microphone cable) 924930-001
(8) Display enclosure:
Asteroid silver 929892-001
Dark ash silver 929893-001
Item Component Spare part number
(1) Hard drive connector board cable 924927-001
(2) TouchPad button board cable 924934-001
(3) TouchPad cable 924928-001
(4) USB board cable 924929-001
(5) Power button board cable 924933-001
(6) Optical drive connector board cable 924926-001
Cables 21

Mass storage devices

Item Component Spare part number
(1) Optical drive (DVD+/-RW Double-Layer SuperMulti) 920420-004
Optical drive bezel
Asteroid silver 929898-001
Dark ash silver 929899-001
(2) Optical drive bracket 924979-001
(3) Solid-state drive, M.2
256 GB 926271-001
128 GB 926270-001
(4) Hard drive, SATA; does not include brackets, connector board, or cable):
1-TB, 5400-rpm 778192-005
500-GB, 7200-rpm 703267-005
500-GB, 5400-rpm 778186-005
(5) Hard drive bracket 924980-001
22 Chapter 3 Illustrated parts catalog
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