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need to be reset. The AMT settings will also need to be reset. To access the MEBx, press Ctrl+P
during POST.
1. Shut down the operating system properly, then turn off the computer and any external devices,
and disconnect the power cord from the power outlet.
2. With the power cord disconnected, press the power button again to drain the system of any
residual power.
WARNING! To reduce the risk of personal injury from electrical shock and/or hot surfaces, be
sure to disconnect the power cord from the wall outlet, and allow the internal system
components to cool before touching.
CAUTION: When the computer is plugged in, the power supply always has voltage applied to
the system board even when the unit is turned off. Failure to disconnect the power cord can
result in damage to the system.
Static electricity can damage the electronic components of the computer or optional equipment.
Before beginning these procedures, ensure that you are discharged of static electricity by briefly
touching a grounded metal object. See the Safety & Regulatory Information guide for more
information.
3. Remove the access panel.
4. Locate the header and jumper labeled CLR_CMOS
NOTE: The password jumper is blue so that it can be easily identified. For assistance locating
the password jumper and other system board components, see the Illustrated Parts & Service
Map (IPSM). The IPSM can be downloaded from
http://www.hp.com/support.
5. Remove the jumper from pins 2 and 3.
6. Place the jumper on pins 1 or 2.
7. Put the jumper back on pins 2 or 3.
8. Replace the access panel.
9. Reconnect the external equipment.
10. Plug in the computer and turn on power. Allow the operating system to start. This clears the
current passwords and disables the password features.
NOTE: You will receive POST error messages after clearing CMOS and rebooting advising you that
configuration changes have occurred. Use Computer Setup to reset any special system setups along
with the date and time.
For instructions on Computer Setup, see Computer Setup (F10) Utility on page 7.
Clearing and Resetting the CMOS 197
- HP Pro 3330/3380 Microtower 1
- HP Pro 3335/3385 Microtower 1
- HP Pro 3340/3348 Microtower 1
- HP Pro 3330 Small Form Factor 1
- About This Book 3
- Table of contents 5
- 1 Product Features 11
- Feature Overview 12
- Microtower Components 13
- Small Form Factor Components 14
- Software 15
- Protecting the Software 16
- Computer Setup—File 19
- Computer Setup—Storage 20
- Computer Setup—Security 22
- Computer Setup—Power 25
- Computer Setup—Advanced 26
- 4 Illustrated parts catalog 28
- Misc Parts 32
- Misc Boards 33
- Computer major components 36
- SATA Hard Drives 43
- SATA Hard Drive Cables 43
- SMART ATA Drives 44
- Hard Drive Capacities 44
- Preparation 45
- Grounding the Work Area 47
- Operating Guidelines 48
- Routine Care 48
- Cleaning the Keyboard 49
- Cleaning the Monitor 49
- Service Considerations 50
- Cables and Connectors 51
- Hard Drives 51
- Lithium Coin Cell Battery 51
- – Microtower (MT) Chassis 52
- Removing Memory Modules 60
- Expansion Cards 63
- Item Description 64
- PCI1 PCI slot 65
- PCI2 PCI slot 65
- Installing Additional Drives 74
- Drives 65 75
- Removing an Optical Drive 77
- Removing a Hard Drive 80
- Drives 71 81
- Drives 73 83
- Power Switch/LED Assembly 89
- System Fan 91
- Fan Sink Assembly 95
- AMD Sempron processor: 97
- System Board 101
- Preparation for Disassembly 104
- Access Panel 105
- Front Bezel 107
- DDR3-SDRAM DIMMs 108
- Populating DIMM Sockets 109
- Removing DIMMs 110
- Expansion Card 113
- Cable Management 117
- Cable Connections 118
- Drive Positions 119
- Removing Drives 120
- Removing the Hard Drive 122
- Drives 113 123
- Drives 115 125
- Power Switch 126
- Front USB Assembly 128
- Description Spare part number 130
- Speaker 666885-001 130
- Fan Assembly 132
- Fan Assembly 123 133
- Fan Sink 134
- Processor 136
- Power Supply 138
- Power Supply 129 139
- A Connector Pin Assignments 144
- Headphone 145
- Line-in Audio 145
- Line-out Audio 145
- 4-Pin Power (for CPU) 145
- DVI Connector 147
- 24-Pin Power 148
- PCI Express 149
- B Power Cord Set Requirements 151
- Country-Specific Requirements 152
- C POST Error Messages 153
- Audible Codes 162
- Safety and Comfort 166
- Helpful Hints 167
- Solving General Problems 169
- Solving General Problems 161 171
- Solving Power Problems 172
- Solving Diskette Problems 173
- Solving Diskette Problems 165 175
- Solving Hard Drive Problems 176
- Solving Display Problems 181
- Solving Display Problems 173 183
- Solving Audio Problems 185
- Solving Printer Problems 187
- Solving Network Problems 191
- Solving Network Problems 183 193
- Solving Memory Problems 195
- Solving Processor Problems 196
- Solving Software Problems 203
- Contacting Customer Support 204
- Resetting the Password Jumper 206
- F Backup and Recovery 208
- Performing a Recovery 210
- Using F11 211
- G Specifications 213
- SFF Specifications 214
Verwandte Produkte und Handbücher für PC / Workstation Barebones HP Pro 3380
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