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HP Pro 3335 Micro Maintenance & Service Guide Pro 3330/3380 Microtower Pro - Page 107

Removing the power supply

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5. Remove the four screws that secure the power supply to the rear chassis. Figure 7-48 Power supply screws 6. Inside of the unit, press the power supply release latch on the chassis base (1). 7. Slide the power supply toward the front of the computer (2), then lift the power supply out of the computer (3). Figure 7-49 Removing the power supply To install the power supply, reverse the removal procedure. Power Supply 97

Section	Page
Product Features	11
Identifying the Chassis	11
Serviceability Features	11
Feature Overview	12
Microtower Components	13
Small Form Factor Components	14
Activating and Customizing the Software	15
Activating and customizing the software in Windows 7	15
Activating the Windows operating system	15
Downloading Windows 7 updates	16
Installing or upgrading device drivers	16
Customizing the monitor display	16
Activating and customizing the software in Windows 8	16
Activating the Windows Operating System	16
Downloading Windows 8 updates	17
Customizing the monitor display	17
Computer Setup (F10) Utility	18
Computer Setup (F10) Utilities	18
Using Computer Setup (F10) Utilities	19
Computer Setup—File	20
Computer Setup—Storage	21
Computer Setup—Security	24
Computer Setup—Power	28
Computer Setup—Advanced	29
Recovering the Configuration Settings	31
Illustrated parts catalog	32
Microtower (MT) Chassis Spare Parts	32
Computer Major Components	32
Cables	35
Misc Parts	36
Drives	37
Misc Boards	37
Sequential Part Number Listing	38
Small Form Factor (SFF) Chassis Spare Parts	42
Computer major components	42
Cables	44
Misc Parts	45
Drives	46
Misc Boards	46
Sequential Part Number Listing	47
Serial ATA (SATA) Drive Guidelines and Features	49
SATA Hard Drives	49
SATA Hard Drive Cables	49
SATA Data Cable	49
SMART ATA Drives	50
Hard Drive Capacities	50
Routine Care and Disassembly Preparation	51
Electrostatic Discharge Information	51
Generating Static	51
Preventing Electrostatic Damage to Equipment	52
Personal Grounding Methods and Equipment	52
Grounding the Work Area	53
Recommended Materials and Equipment	53
Operating Guidelines	54
Routine Care	54
General Cleaning Safety Precautions	54
Cleaning the Computer Case	54
Cleaning the Keyboard	55
Cleaning the Monitor	55
Cleaning the Mouse	56
Service Considerations	56
Power Supply Fan	56
Tools and Software Requirements	56
Screws	56
Cables and Connectors	57
Hard Drives	57
Lithium Coin Cell Battery	57
Removal and Replacement Procedures – Microtower (MT) Chassis	58
Preparation for Disassembly	58
Access Panel	59
Front Bezel	61
Memory	63
DDR3-SDRAM DIMMs	63
Populating DIMM Sockets	66
Removing Memory Modules	66
Expansion Cards	69
Cable Management	75
Cable Connections	77
Drives	78
Drive Positions	79
Installing Additional Drives	80
System Board Drive Connections	81
Removing an Optical Drive	83
Removing a Hard Drive	86
Front I/O and USB Panel Housing Assembly	93
Power Switch/LED Assembly	95
System Fan	97
Speaker	99
Fan Sink Assembly	101
Processor	102
Power Supply	106
System Board	108
Battery	109
Removal and Replacement Procedures – Small Form Factor (SFF) Chassis	111
Preparation for Disassembly	111
Access Panel	112
Front Bezel	114
Memory	115
DDR3-SDRAM DIMMs	115
Populating DIMM Sockets	116
Removing DIMMs	117
Expansion Card	120
Cable Management	124
Cable Connections	125
Drives	126
Drive Positions	126
Removing Drives	127
Removing an Optical Drive	127
Removing the Hard Drive	129
Power Switch	133
Front USB Assembly	135
Speaker	137
Fan Assembly	139
Fan Sink	141
Processor	143
Power Supply	145
System Board	148
Battery	149
Troubleshooting Without Diagnostics	151
Safety and Comfort	151
Before You Call for Technical Support	151
Helpful Hints	152
Solving General Problems	154
Solving Power Problems	158
Solving Hard Drive Problems	160
Solving Media Card Reader Problems	163
Solving Display Problems	165
Solving Audio Problems	170
Solving Printer Problems	172
Solving Keyboard and Mouse Problems	174
Solving Hardware Installation Problems	176
Solving Network Problems	178
Solving Memory Problems	181
Solving Processor Problems	183
Solving CD-ROM and DVD Problems	183
Solving USB Flash Drive Problems	186
Solving Front Panel Component Problems	187
Solving Internet Access Problems	187
Solving Software Problems	189
Contacting Customer Support	191
HP PC Hardware Diagnostics	192
Why run HP PC Hardware Diagnostics	192
How to access and run HP PC Hardware Diagnostics	193
Downloading HP PC Hardware Diagnostics to a USB device	194
Backup and Recovery	195
Restoring and recovering in Windows 7	195
System Restore	195
System Recovery	195
System Recovery when Windows is responding	196
System Recovery when Windows is not responding	197
System recovery using recovery media	197
Creating recovery media	198
Using recovery media	199
Backup and recovery in Windows 8	200
Backing up your information	200
Performing a system recovery	201
Using the Windows recovery tools	201
Using f11 recovery tools	202
Using Windows 8 operating system media (purchased separately)	202
Power Cord Set Requirements	203
General Requirements	203
Japanese Power Cord Requirements	203
Country-Specific Requirements	204
POST Error Messages	205
POST Numeric Codes and Text Messages	206
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes	214
Password Security and Resetting CMOS	218
Resetting the Password Jumper	219
Clearing and Resetting the CMOS	219
Specifications	221
MT Specifications	221
SFF Specifications	222