HP 285 Maintenance and Service Guide - Page 5

Table of contents

1

Product features

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

1

Standard

conﬁguration

features

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

1

Front panel components

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

2

Rear panel components

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

3

Serial number location

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

3

2

Illustrated parts catalog

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

4

Microtower (MT) chassis spare parts

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

4

Computer major components

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

4

Misc parts

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

6

Misc boards

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

8

Drives

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

8

3

Routine care, SATA drive guidelines, and disassembly preparation

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

9

Electrostatic discharge information

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

9

Generating static

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

9

Preventing electrostatic damage to equipment

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

10

Personal grounding methods and equipment

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

10

Grounding the work area

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

10

Recommended materials and equipment

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

11

Operating guidelines

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

11

Routine care

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

12

General cleaning safety precautions

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

12

Cleaning the Computer Case

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

12

Cleaning the keyboard

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

12

Cleaning the monitor

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

13

Cleaning the mouse

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

13

Service considerations

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

13

Power supply fan

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

13

Tools and software Requirements

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

13

Screws

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

14

Cables and connectors

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

14

Hard Drives

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

14

Lithium coin cell battery

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

14

SATA hard drives

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

15

SATA hard drive cables

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

15

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Section	Page
Product features	9
Standard configuration features	9
Front panel components	10
Rear panel components	11
Serial number location	11
Illustrated parts catalog	12
Microtower (MT) chassis spare parts	12
Computer major components	12
Misc parts	14
Misc boards	16
Drives	16
Routine care, SATA drive guidelines, and disassembly preparation	17
Electrostatic discharge information	17
Generating static	17
Preventing electrostatic damage to equipment	18
Personal grounding methods and equipment	18
Grounding the work area	18
Recommended materials and equipment	19
Operating guidelines	19
Routine care	20
General cleaning safety precautions	20
Cleaning the Computer Case	20
Cleaning the keyboard	20
Cleaning the monitor	21
Cleaning the mouse	21
Service considerations	21
Power supply fan	21
Tools and software Requirements	21
Screws	22
Cables and connectors	22
Hard Drives	22
Lithium coin cell battery	22
SATA hard drives	23
SATA hard drive cables	23
SATA data cable	23
SMART ATA drives	23
Cable management	24
Removal and replacement procedures – Microtower (MT) chassis	25
Preparation for disassembly	25
Access panel	26
Front bezel	27
Front bezel security	28
Slim optical drive bezel blank	29
Memory	30
DIMMs	30
DIMM specifications	30
Populating DIMM sockets	30
Installing DIMMs	31
Expansion cards	33
Drives	36
Drive positions	37
Removing a 9.5 mm slim optical drive	38
Installing a 9.5 mm slim optical drive	39
Removing a hard drive	41
Installing a hard drive	42
Front I/O and power switch assembly	45
Speaker	47
Rear chassis fan	48
Power supply	49
Fan sink	52
Processor for use in HP 280 G2 models (Intel)	53
Processor for use in HP 285 G2 models (AMD)	54
System board	55
System board callouts – HP 280 Pro G2 Microtower models	56
System board callouts – HP 280 G2 Microtower models	57
System board callouts – HP 285 G2 Microtower models	58
Computer Setup (F10) Utility	59
Computer Setup (F10) Utilities	59
Using Computer Setup (F10) Utilities	60
Computer Setup—File	61
Computer Setup—Storage	62
Computer Setup—Security	63
Computer Setup—Power	65
Computer Setup—Advanced	65
Recovering the Configuration Settings	66
Troubleshooting without diagnostics	67
Safety and comfort	67
Before you call for technical support	67
Helpful hints	68
Solving general problems	69
Solving power problems	73
Solving hard drive problems	74
Solving media card reader problems	76
Solving display problems	77
Solving audio problems	81
Solving printer problems	83
Solving keyboard and mouse problems	84
Solving hardware installation problems	86
Solving network problems	87
Solving memory problems	90
Solving CD-ROM and DVD problems	91
Solving USB flash drive problems	93
Solving front panel component problems	94
Solving Internet access problems	95
Solving software problems	96
POST error messages and diagnostic front panel LEDs and audible codes	97
POST numeric codes and text messages	97
Interpreting system validation diagnostic front panel LEDs and audible codes	102
Password security and resetting CMOS	104
Resetting the password jumper	104
Changing a Setup or Power-On password	105
Deleting a Setup or Power-On password	106
Using HP PC Hardware Diagnostics (UEFI)	107
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device	107
System backup and recovery	109
Backing up, restoring, and recovering in Windows 10	109
Creating recovery media and backups	109
Creating HP Recovery media (select products only)	109
Using Windows tools	110
Restore and recovery	110
Recovering using HP Recovery Manager	111
What you need to know before you get started	111
Using the HP Recovery partition (select products only)	112
Using HP Recovery media to recover	112
Changing the computer boot order	112
Removing the HP Recovery partition (select products only)	112
Backing up, restoring, and recovering in Windows 7	113
Creating recovery media	113
Creating recovery media using HP Recovery Manager (select models only)	114
Creating recovery discs with HP Recovery Disc Creator (select models only)	115
Creating recovery discs	115
Backing up your information	115
System Restore	116
System Recovery	116
System Recovery when Windows is responding	117
System Recovery when Windows is not responding	117
System Recovery using recovery media (select models only)	118
Using HP Recovery Disc operating system discs (select models only)	118
Battery replacement	120
Power Cord Set Requirements	123
General Requirements	123
Japanese Power Cord Requirements	123
Country-Specific Requirements	124
Statement of Volatility	125
Specifications	127
MT Specifications	127

HP 285 Maintenance and Service Guide - Page 5

Table of contents

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