HP 255 G6 Manual

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.
First Edition: April 2017
Document Part Number: 926814-001
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.

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
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
Audio Dual speakers
HP Audio Control
Ethernet Integrated 10/100/1000 network interface card (NIC)
Wireless Network Integrated wireless options with dual antennas (M.2/PCIe):
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)
External media card HP Multi-Format Digital Media Reader
Support SD/SDHC/SDXC
Push-pull insertion/removal
Internal Card One M.2 slot for SSD
One M.2 slot for WLAN
Ports VGA (Dsub 15 pin) supporting 1920 ×1200 @ 60Hz
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
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
Power AC adapters
65-W
45-W
1 meter power cord
Batteries
4-cell, 41-Whr Li-ion battery
2 Chapter 1 Product description

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 ●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.
●O: The computer is o or in Hibernation. Hibernation is a
power-saving state that uses the least amount of power.
(2) Drive light ●Blinking white: The hard drive is being accessed.
(3) Memory card reader Reads optional memory cards that store, manage, share, or
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.
(4) USB 2.0 port Connects a USB device, such as a cell phone, camera, activity
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
the fn key.
(2) fn key Executes frequently used system functions when pressed in
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