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HP ProBook 640 Maintenance and Service Guide - Page 58

Keyboard, Disconnect all external devices from the computer.

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Keyboard In this section, the first table provides the main spare part number for the keyboard. The second table provides the country codes. Description Keyboard for 14" products (includes keyboard cable) Backlit keyboard for 14" products (includes keyboard cable and backlight cable) Keyboard for 15" products (includes keyboard cable) Backlit keyboard for 15" products ( includes keyboard cable and backlight cable) Spare part number 840791-001 840800-001 840801-001 841136-001 841137-001 841145-001 For use in country or region Belgium Brazil Bulgaria Canada Czech Republic and Slovakia Denmark Denmark, Finland, and Norway France Germany Greece Hungary Iceland Spare part number -A41 -201 -261 -DB1 -FL1 For use in country or region India Israel Italy Japan Latin America -081 -DH1 The Netherlands Northern Africa -051 -041 -151 -211 -DD1 Norway Portugal Romania Russia Spare part number -D61 -BB1 -061 -291 -161 For use in country or region Saudi Arabia Slovenia South Korea Spain Sweden and Finland -B31 -FP1 Switzerland Taiwan -091 -131 -271 -251 Thailand Turkey United Kingdom United States Spare part number -171 -BA1 -AD1 -071 -B71 -BG1 -AB1 -281 -141 -031 -001 Before removing the keyboard, follow these steps: 1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the computer on, and then shut it down through the operating system. 2. Disconnect the power from the computer by unplugging the power cord from the computer. 3. Disconnect all external devices from the computer. 4. Remove the following components: a. Service door (see Service door on page 37). b. Remove the battery (see Battery on page 38) 48 Chapter 5 Removal and replacement procedures for Customer Self-Repair parts

Section	Page
Product description	11
External component identification	16
Right	16
Left	18
Display	19
Top	20
TouchPad	20
Lights	21
Buttons, speakers, and fingerprint reader	22
Special function keys	24
Using the hot keys	25
Bottom	27
Front	27
Rear	29
Locating system information	29
Illustrated parts catalog	31
Computer major components	31
Display assembly subcomponents	37
Mass storage devices	39
Miscellaneous parts	41
Removal and replacement procedures preliminary requirements	42
Tools required	42
Service considerations	42
Plastic parts	42
Cables and connectors	43
Drive handling	43
Grounding guidelines	44
Electrostatic discharge damage	44
Packaging and transporting guidelines	45
Workstation guidelines	45
Equipment guidelines	46
Removal and replacement procedures for Customer Self-Repair parts	47
Component replacement procedures	47
Service door	47
Battery	48
Hard drive	49
Solid-state drive (select products only)	51
WWAN module (select products only)	52
WLAN module	54
Optical drive	56
Keyboard	58
Memory	61
Removal and replacement procedures for Authorized Service Provider parts	64
Component replacement procedures	64
Hinge cover	65
Base enclosure	67
System board	69
Fan and heat sink assembly	71
Optical drive board	74
Top cover and TouchPad	75
RTC battery	78
Speaker	80
Power button board	81
Fingerprint reader (select products only)	82
Smart card reader	84
Near Field Communication module	86
Audio board	88
Serial	90
Display assembly	92
Computer Setup (BIOS), TPM, and HP Sure Start in Windows 10	98
Using Computer Setup	98
Starting Computer Setup	98
Navigating and selecting in Computer Setup	98
Restoring factory settings in Computer Setup	99
Updating the BIOS	100
Determining the BIOS version	100
Downloading a BIOS update	100
Changing the boot order using the f9 prompt	101
TPM BIOS settings (select products only)	101
Using HP Sure Start (select products only)	102
Computer Setup (BIOS), TPM, and HP Sure Start in Windows 8.1	103
Using Computer Setup	103
Starting Computer Setup	103
Navigating and selecting in Computer Setup	103
Restoring factory settings in Computer Setup	104
Updating the BIOS	105
Determining the BIOS version	105
Downloading a BIOS update	105
Changing the boot order using the f9 prompt	106
TPM BIOS settings (select products only)	106
Using HP Sure Start (select products only)	107
Computer Setup (BIOS), TPM, and HP Sure Start in Windows 7	108
Using Computer Setup	108
Starting Computer Setup	108
Navigating and selecting in Computer Setup	108
Restoring factory settings in Computer Setup	109
Updating the BIOS	110
Determining the BIOS version	110
Downloading a BIOS update	110
Changing the boot order using the f9 prompt	111
TPM BIOS settings (select products only)	111
Using HP Sure Start (select products only)	112
Using HP PC Hardware Diagnostics (UEFI)	113
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device	113
Backup and recovery	115
Creating recovery media and backups	115
Creating HP Recovery media (select products only)	115
Using Windows tools	116
Restore and recovery	117
Recovering using HP Recovery Manager	117
What you need to know before you get started	117
Using the HP Recovery partition (select products only)	118
Using HP Recovery media to recover	118
Changing the computer boot order	119
Removing the HP Recovery partition (select products only)	120
Backup and recovery in Windows 8.1	121
Backing up your information	121
Performing a system recovery	121
Using the Windows recovery tools	121
Using f11 recovery tools	122
Using Windows operating system media (purchased separately)	123
Using Windows Refresh or Windows Reset	123
Using HP Software Setup	123
Backup and recovery in Windows 7	124
Creating recovery media and backups	124
Guidelines	124
Creating recovery media with HP Recovery Disc Creator	124
Creating recovery media	125
Backing up your information	125
Performing a system recovery	126
Using the Windows recovery tools	126
Using f11 recovery tools (select products only)	127
Using Windows 7 operating system media	127
Specifications	129
Computer specifications	129
Hard drive specifications	130
Solid-state drive specifications	130
Power cord set requirements	132
Requirements for all countries	132
Requirements for specific countries and regions	132
Statement of memory volatility	134
Nonvolatile memory usage	138
Questions and answers	140
Using HP Sure Start (select models only)	141
Recycling	142

Match case Limit results 1 per page

Keyboard

In this section, the

ﬁrst

table provides the main spare part number for the keyboard. The second table

provides the country codes.

Description

Spare part number

Keyboard for 14" products (includes keyboard cable)

840791-001

Backlit keyboard for 14" products (includes keyboard cable and backlight cable)

840800-001

840801-001

Keyboard for 15" products (includes keyboard cable)

841136-001

Backlit keyboard for 15" products ( includes keyboard cable and backlight cable)

841137-001

841145-001

For use in country or

region

Spare part

number

For use in country or

region

Spare part

number

For use in country or

region

Spare part

number

Belgium

-A41

India

-D61

Saudi Arabia

-171

Brazil

-201

Israel

-BB1

Slovenia

-BA1

Bulgaria

-261

Italy

-061

South Korea

-AD1

Canada

-DB1

Japan

-291

Spain

-071

Czech Republic and

Slovakia

-FL1

Latin America

-161

Sweden and Finland

-B71

Denmark

-081

The Netherlands

-B31

Switzerland

-BG1

Denmark, Finland, and

Norway

-DH1

Northern Africa

-FP1

Taiwan

-AB1

France

-051

Norway

-091

Thailand

-281

Germany

-041

Portugal

-131

Turkey

-141

Greece

-151

Romania

-271

United Kingdom

-031

Hungary

-211

Russia

-251

United States

-001

Iceland

-DD1

Before removing the keyboard, follow these steps:

Turn

oﬀ

the computer. If you are unsure whether the computer is

oﬀ

or in Hibernation, turn the

computer on, and then shut it down through the operating system.

Disconnect the power from the computer by unplugging the power cord from the computer.

Disconnect all external devices from the computer.

Remove the following components:

Service door (see

Service door

on page

Remove the battery (see

Battery

on page

)

Chapter 5

Removal and replacement procedures for Customer Self-Repair parts