HP Desktop Pro A 300 G3 Maintenance and Service Guide - Page 5

Table of contents

1

Product features

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1

Front panel components

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2

Rear panel components

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3

Serial number location

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4

2

Illustrated parts catalog

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5

Computer major components

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5

Miscellaneous parts

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7

3

Routine care, SATA drive guidelines, and disassembly preparation

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8

Electrostatic discharge information

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8

Generating static

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8

Preventing electrostatic damage to equipment

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9

Personal grounding methods and equipment

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9

Grounding the work area

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9

Recommended materials and equipment

........................................................................................

10

Operating guidelines

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10

Routine care

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11

General cleaning safety precautions

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11

Cleaning the computer case

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11

Cleaning the keyboard

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12

Cleaning the monitor

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12

Cleaning the mouse

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12

Service considerations

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13

Power supply fan

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13

Tools and software requirements

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13

Screws

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13

Cables and connectors

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13

Hard drives

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14

Lithium coin cell battery

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14

SATA hard drives

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14

SATA data cable

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15

SMART ATA drives

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15

Cable management

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15

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Section	Page
Product features	9
Front panel components	10
Rear panel components	11
Serial number location	12
Illustrated parts catalog	13
Computer major components	13
Miscellaneous parts	15
Routine care, SATA drive guidelines, and disassembly preparation	16
Electrostatic discharge information	16
Generating static	16
Preventing electrostatic damage to equipment	17
Personal grounding methods and equipment	17
Grounding the work area	17
Recommended materials and equipment	18
Operating guidelines	18
Routine care	19
General cleaning safety precautions	19
Cleaning the computer case	19
Cleaning the keyboard	20
Cleaning the monitor	20
Cleaning the mouse	20
Service considerations	21
Power supply fan	21
Tools and software requirements	21
Screws	21
Cables and connectors	21
Hard drives	22
Lithium coin cell battery	22
SATA hard drives	22
SATA data cable	23
SMART ATA drives	23
Cable management	23
Removal and replacement procedures	24
Preparation for disassembly	24
Access panel	25
System board connections	26
WLAN module	27
Expansion cards	28
Front bezel	31
Removing bezel blank	32
Drives	33
Drive positions	33
Removing and installing drives	33
Removing the optical drive	33
Installing an optical drive	35
Removing the drive cage	36
Installing the drive cage	37
Removing a 3.5-inch hard drive	37
Installing a 3.5-inch hard drive	38
Removing a 2.5-inch hard drive	39
Installing a 2.5-inch hard drive	39
Memory	41
Populating DIMM sockets	41
Removing and installing DIMMs	42
Fan duct	44
Fan sink	45
Processor	47
Power supply	48
Wireless antenna	50
System board	51
Troubleshooting without diagnostics	53
Safety and comfort	53
Before you call for technical support	53
Helpful hints	54
Solving general problems	55
Solving power problems	58
Solving hard drive problems	59
Solving media card reader problems	61
Solving display problems	62
Solving audio problems	66
Solving printer problems	68
Solving keyboard and mouse problems	69
Solving hardware installation problems	70
Solving network problems	72
Solving memory problems	74
Solving CD-ROM and DVD problems	75
Solving USB flash drive problems	77
Solving front panel component problems	78
Solving Internet access problems	79
Solving software problems	79
Computer Setup (F10) Utility	81
Computer Setup (F10) Utilities	81
Using Computer Setup (F10) Utilities	81
Computer Setup–Main	82
Computer Setup—Security	83
Computer Setup—Configuration	84
Computer Setup—Boot Options	86
Computer Setup—Exit	87
Backing up, restoring, and recovering	88
Backing up information and creating recovery media	88
Using Windows tools	88
Using the HP Cloud Recovery Download Tool to create recovery media (select products only)	88
Restoring and recovery	89
Restoring, resetting, and refreshing using Windows tools	89
Recovering using HP Recovery media	89
Changing the computer boot order	89
POST error messages and diagnostic front panel LEDs and audible codes	90
POST numeric codes and text messages	90
Interpreting system validation diagnostic front panel LEDs and audible codes	95
Password security and resetting CMOS	97
Resetting CMOS	97
Resetting the password jumper	97
Using HP PC Hardware Diagnostics	99
Using HP PC Hardware Diagnostics Windows (select products only)	99
Downloading HP PC Hardware Diagnostics Windows	99
Downloading the latest HP PC Hardware Diagnostics Windows version	100
Downloading HP Hardware Diagnostics Windows by product name or number (select products only)	100
Installing HP PC Hardware Diagnostics Windows	100
Using HP PC Hardware Diagnostics UEFI	100
Starting HP PC Hardware Diagnostics UEFI	101
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive	101
Downloading the latest HP PC Hardware Diagnostics UEFI version	101
Downloading HP PC Hardware Diagnostics UEFI by product name or number (select products only)	101
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only)	102
Downloading Remote HP PC Hardware Diagnostics UEFI	102
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version	102
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or number	102
Customizing Remote HP PC Hardware Diagnostics UEFI settings	102
Battery replacement	104
Power cord set requirements	107
General Requirements	107
Japanese Power Cord Requirements	107
Country-Specific Requirements	108
Statement of memory volatility	109
Nonvolatile memory usage	111
Questions and answers	113
Using HP Sure Start (select models only)	114
Specifications	115

HP Desktop Pro A 300 G3 Maintenance and Service Guide - Page 5

Table of contents

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