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Vibrating or rattling noise coming from inside a CRT monitor when powered on.
Cause Solution
Monitor degaussing coil has been activated. None. It is normal for the degaussing coil to be activated
when the monitor is powered on.
Clicking noise coming from inside a CRT monitor.
Cause Solution
Electronic relays have been activated inside the monitor. None. It is normal for some monitors to make a clicking noise
when turned on and off, when going in and out of standby
mode, and when changing resolutions.
High pitched noise coming from inside a flat panel monitor.
Cause Solution
Brightness and/or contrast settings are too high. Lower brightness and/or contrast settings.
Fuzzy focus; streaking, ghosting, or shadowing effects; horizontal scrolling lines; faint vertical bars; or unable to
center the picture on the screen (flat panel monitors using an analog VGA input connection only).
Cause Solution
Flat panel monitor’s internal digital conversion circuits may
be unable to correctly interpret the output synchronization of
the graphics card.
1. Select the monitor’s Auto-Adjustment option in the
monitor’s on-screen display menu.
2. Manually synchronize the Clock and Clock Phase on-
screen display functions. To download a SoftPaq that
will assist you with the synchronization, go to the
following Web site, select the appropriate monitor, and
download either SP32347 or SP32202:
http://www.hp.com/support
Graphics card is not seated properly or is bad. 1. Reseat the graphics card.
2. Replace the graphics card.
Certain typed symbols do not appear correct.
Cause Solution
The font you are using does not support that particular
symbol.
Use the Character Map to locate and select the appropriate
symbol. Click Start > All Programs > Accessories >
System Tools > Character Map. You can copy the symbol
from the Character Map into a document.
174 Appendix D Troubleshooting Without Diagnostics
- 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
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