Dell OptiPlex 170L Specifications Page 60
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Power Supply
Dell™OptiPlex™170LUser'sGuide
Mini-Tower Computer
Small Desktop Computer
DC Power Connectors
Mini-Tower Computer
Replacing the Power Supply
1. Follow the procedures in "Before You Begin."
2. Remove the fan assembly.
3. Disconnect the AC power cable from the AC power connector on the back of the power supply.
4. Unplug the DC power cables from the drives and system board.
5. Remove the four screws that secure the power supply to the back of the computer.
6. Remove the power supply from the computer.
7. Slide the replacement power supply into place.
8. Replace the four screws that secure the power supply to the back of the computer.
9. Reinstall the fan assembly.
10. Reconnect the DC power cables to the drives and system board.
11. Replace the computer cover.
CAUTION: Before you begin this procedure, follow the safety instructions in the Product Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such
as the back panel) on the computer.
NOTICE: Before you disconnect a device from the computer or remove a component from the system board, verify that the standby power light on the
system board has turned off. To locate the light, see the mini-tower "System Board Components" or the desktop "System Board Components."
1
screws (4)
2
power supply
- Notes, Notices, and Cautions 1
- Abbreviations and Acronyms 1
- Small Desktop Computer 1
- Mini-Tower Computer 1
- Advanced Troubleshooting 3
- Dell Diagnostics Main Menu 4
- Drivers 5
- Creating a Restore Point 7
- Reinstalling Windows XP 8
- Microsoft®Windows®XP 9
- Windows 2000 10
- Advanced Features 11
- Password Protection 12
- Typing Your System Password 13
- Setup Password 14
- System Setup 15
- Entering System Setup 16
- System Setup Screens 16
- Boot Sequence 17
- System Setup Options 18
- Booting to a USB Device 19
- Power Button 20
- Power Management 20
- Hyper-Threading 21
- Battery 22
- Before You Begin 24
- Cleaning Your Computer 26
- Chassis Speaker 28
- Removing the Chassis Speaker 29
- Operating System CD 33
- Glossary 34
- Getting Help 42
- AutoTech Service 43
- Problems With Your Order 44
- Product Information 44
- Before You Call 44
- Contacting Dell 45
- I/O Panel 53
- Memory 57
- Removing Memory 59
- Power Supply 60
- DC Power Connectors 62
- DC Power Connector P2 63
- DC Power Connector P5 63
- DC Power Connector P6 63
- DC Power Connector P7 63
- Main Power Connector 64
- 12-volt Power Connector 64
- Peripheral Power Connectors 64
- FCC Notices (U.S. Only) 66
- System Board 68
- Removing the Computer Cover 71
- Front View 72
- Back View 73
- Inside Your Computer 74
- System Board Components 75
- Opening the Computer Cover 82
- Front-Panel Inserts 86
- Installing a CD/DVD Drive 88
- Installing a Floppy Drive 90
- Installing Cards 100
- Removing Cards 101
- Control Panel 103
- Drives 105
- Hard Drive 106
- Installing a Hard Drive 107
- CD/DVD Drive 110
- Floppy Drive 114
- Back to Contents Page 117
- Processor 118
- Solving Problems 122
- Beep Codes 123
- Battery Problems 124
- Card Problems 124
- Drive Problems 125
- Dropped or Damaged Computer 126
- Error Messages 127
- General Problems 129
- Keyboard Problems 130
- Memory Problems 131
- Mouse Problems 131
- Network Problems 131
- Power Problems 132
- Printer Problems 132
- Sound and Speaker Problems 133
- System Board Problems 134
- Video and Monitor Problems 134
- If the screen is blank 135
- Specifications 136
- Warranty 140
- Adding User Accounts 142
- Fast User Switching 142
- Network Setup Wizard 143
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