HP Dragonfly 13.5 Maintenance and Service Guide - Page 68

Table 5-9

System board descriptions and part numbers

(continued)

Description

Spare part

number

Equipped with an Intel Core i7-1355U processor, 16 GB of system memory, the Windows 11 operating system, for

use on computer models equipped with an OLED display assembly

N46508-601

Equipped with an Intel Core i7-1355U processor, 16 GB of system memory, a non- Windows operating system,

for use on computer models equipped with an OLED display assembly

N46508-001

Equipped with an Intel Core i7-1355U processor, 16 GB of system memory, and the Windows 11 operating system

N46507-601

Equipped with an Intel Core i7-1355U processor, 16 GB of system memory, and a non-Windows operating

system

N46507-001

Equipped with an Intel Core i5-1345U processor, 32 GB of system memory, and the Windows 11 operating

system

N46506-601


system

N46506-001

Equipped with an Intel Core i5-1345U processor, 16 GB of system memory, OSR, and the Windows 11 operating

system

N46505-601

Equipped with an Intel Core i5-1345U processor, 16 GB of system memory, and OSR

N46505-001


system

N46504-601


system

N46504-001


system

N46503-601


system

N46503-001

Equipped with an Intel Core i5-1335U processor, 16 GB of system memory, the Windows 11 operating system, for

use on computer models equipped with an OLED display assembly

N46502-601

Equipped with an Intel Core i5-1335U processor, 16 GB of system memory, a non- Windows operating system,

for use on computer models equipped with an OLED display assembly

N46502-001


system

N46501-601


system

N46501-001

System Board Repair Support Kit

N19699-888

Before removing the system board, follow these steps:

1.

Prepare the computer for disassembly (see

Preparation for disassembly

on page

48

).

2.

Remove the bottom cover (see

Bottom cover

on page

48

).

3.

Disconnect the battery cable from the system board (see

Battery

on page

50

).

4.

Remove the fan/heat sink assembly (see

Fan/heat sink assembly

on page

58

).

When you replace the system board, be sure to remove the WWAN module (see

WWAN module

on page

53

) and the solid-state drive (see

Solid-state drive

on page

51

) from the defective system board and

install them on the replacement system board.

62

Chapter 5

Removal and replacement procedures for authorized service provider parts

Section	Page
Product description	7
Components	11
Locating hardware	11
Locating software	11
Right	11
Left	13
Display	14
Auto Lock and Awake	14
Low blue light mode (select products only)	15
Keyboard area	16
Touchpad	16
Touchpad settings	16
Adjusting touchpad settings	16
Turning on the touchpad	16
Touchpad components	17
Lights	17
Button, speakers, and fingerprint reader	19
Special keys	20
Bottom	21
Using a SIM card (select products only)	22
Determining the correct SIM card size for your computer	22
Inserting a nano SIM card	22
Labels	23
Illustrated parts catalog	26
Computer major components	26
Mass storage devices	40
Cables	40
Miscellaneous parts	41
Removal and replacement procedures preliminary requirements	45
Tools required	45
Service considerations	45
Plastic parts	45
Cables and connectors	45
Drive handling	45
Electrostatic discharge information	46
Generating static electricity	46
Preventing electrostatic damage to equipment	47
Personal grounding methods and equipment	47
Grounding the work area	48
Recommended materials and equipment	48
Cleaning your computer	49
Enabling HP Easy Clean (select products only)	49
Removing dirt and debris from your computer	49
Cleaning your computer with a disinfectant	50
Caring for wood veneer (select products only)	51
Packaging and transporting guidelines	51
Accessing support information	52
Removal and replacement procedures for authorized service provider parts	54
Component replacement procedures	54
Preparation for disassembly	54
Bottom cover	54
Battery	56
Solid-state drive	57
WWAN module	59
Connector board	60
Display assembly	61
Fan/heat sink assembly	64
Rear speakers	66
System board	67
Fingerprint reader cable	70
Fingerprint reader	71
Touchpad cable	72
Touchpad	73
Transfer board cable	74
Transfer board	75
NFC module cable	76
NFC module	77
WWAN antenna	78
Front speakers	79
Top cover with keyboard	80
Computer Setup (BIOS), TPM, and HP Sure Start	82
Using Computer Setup	82
Navigating and selecting in Computer Setup	82
Restoring factory settings in Computer Setup	83
Updating the BIOS	83
Determining the BIOS version	83
Preparing for a BIOS update	83
Downloading a BIOS update	84
Installing a BIOS update	84
Changing the boot order using the f9 prompt	84
TPM BIOS settings (select products only)	85
Using HP Sure Start (select products only)	85
Backing up, restoring, and recovering	86
Backing up information and creating recovery media	86
Using Windows tools for backing up	86
Using the HP Cloud Recovery Download Tool to create recovery media (select products only)	86
Restoring and recovering your system	87
Creating a system restore	87
Restoring and recovery methods	87
Recovering using HP Recovery media	87
Changing the computer boot order	88
Using HP Sure Recover (select products only)	88
Using HP PC Hardware Diagnostics	89
Using HP PC Hardware Diagnostics Windows (select products only)	89
Using an HP PC Hardware Diagnostics Windows hardware failure ID code	89
Accessing HP PC Hardware Diagnostics Windows	89
Accessing HP PC Hardware Diagnostics Windows from HP Support Assistant	89
Accessing HP PC Hardware Diagnostics Windows from the Start menu (select products only)	90
Downloading HP PC Hardware Diagnostics Windows	90
Downloading the latest HP PC Hardware Diagnostics Windows version from HP	90
Downloading the HP PC Hardware Diagnostics Windows from the Microsoft Store	90
Downloading HP Hardware Diagnostics Windows by product name or number (select products only)	91
Installing HP PC Hardware Diagnostics Windows	91
Using HP PC Hardware Diagnostics UEFI	91
Using an HP PC Hardware Diagnostics UEFI hardware failure ID code	91
Starting HP PC Hardware Diagnostics UEFI	91
Starting HP PC Hardware Diagnostics UEFI through HP Hotkey Support software (select products only)	92
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive	92
Downloading the latest HP PC Hardware Diagnostics UEFI version	93
Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only)	93
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)	93
Downloading Remote HP PC Hardware Diagnostics UEFI	93
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version	93
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or number	93
Customizing Remote HP PC Hardware Diagnostics UEFI settings	94
Specifications	95
Computer specifications	95
Display specifications	96
Solid-state drive specifications	96
Statement of memory volatility	98
Current BIOS steps	98
Nonvolatile memory usage	100
Questions and answers	101
Using HP Sure Start (select products only)	102
Power cord set requirements	103
Requirements for all countries	103
Requirements for specific countries and regions	103
Recycling	106

HP Dragonfly 13.5 Maintenance and Service Guide - Page 68

Disconnect the battery cable from the system board see, Remove the fan/heat sink assembly see

Page 68 highlights