HP 280 G1 Specifications download pdf (Page 52)

Rear chassis fan

1. Prepare the computer for disassembly (Preparation for disassembly on page 21).

2. Remove the access panel (

Access panel on page 22).

3. From the rear of the chassis, remove the three silver Phillips screws that secure the fan to the rear of

chassis.

4. From the inside of the chassis, if the fan cable is secured to the hood sensor cable with a plastic tie (1),

cut the tie to separate the cables.

5. Disconnect the fan control cable from the red system board connector labeled SYS_FAN(2).

44 Chapter 5 Removal and replacement procedures

1 2 ... 47 48 49 50 51 52 53 54 55 56 57 ... 135 136

Maintenance and Service Guide 1
Safety warning notice 3
Table of contents 5
1 Product description 9
2 Product Features 12
Front panel components 13
Rear panel components 14
Rear panel components 7 15
Serial Number Location 16
3 Illustrated parts catalog 17
Misc parts 19
Generating static 21
Grounding the work area 22
Operating guidelines 23
Routine care 24
Service considerations 25
Cables and connectors 26
Hard Drives 26
Lithium coin cell battery 26
SATA hard drives 27
SATA hard drive cables 27
SMART ATA drives 27
Cable management 28
Preparation for disassembly 29
Access panel 30
Front bezel 31
Optical drive bezel blank 32
DDR3/DDR3L-SDRAM UDIMMs 33
Populating DIMM sockets 33
Installing DIMMs 34
Expansion cards 35
Drive positions 39
Removing an optical drive 40
Removing a hard drive 41
Card reader 45
Heat sink 47
Processor 48
7. Remove the speaker 51
Speaker 43 51
Rear chassis fan 52
Rear chassis fan 45 53
Hood sensor 54
Power supply 55
System board 57
System board callouts 58
Computer Setup—File 61
Computer Setup—Storage 62
Computer Setup—Security 63
Computer Setup—Power 66
Computer Setup—Advanced 67
Safety and comfort 70
Helpful hints 71
Solving general problems 72
Solving general problems 65 73
Solving general problems 67 75
Solving power problems 76
Solving hard drive problems 77
Solving display problems 80
Solving display problems 73 81
Solving display problems 75 83
Solving audio problems 84
Solving audio problems 77 85
Solving printer problems 86
Solving Network Problems 91
Solving Network Problems 85 93
Solving memory problems 94
Solving software problems 100
Solving software problems 93 101
8 POST error messages 102
10 HP PC Hardware Diagnostics 114
11 System backup and recovery 116
Creating recovery media 119
System Restore 121
System Recovery 122
Recommended Applications 125
A Battery replacement 126
B Power Cord Set Requirements 128
Country-Specific Requirements 129
C Statement of Volatility 130
D Specifications 132
ERecycling 133

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HP 280 G1 Specifications Page 52

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