Dell OptiPlex 755

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Drives 201

Check all connectors to ensure that they are properly cabled and firmly seated.

Gently position the drive until it clicks into place.

1power cable

2SATA data cable

Main Page

Default Chapter3
- Table of Contents3
- Contents16
1 Finding Information17
- Warranty19
2 Before You Begin21
- Recommended Tools21
  - Turning off Your Computer21
- Before Working Inside Your Computer21
3 Mini Tower Computer23
- About Your Mini Tower Computer23
- Removing the Computer Cover27
- Inside Your Computer29
- Chassis Intrusion Switch29
- System Board Components32
4 Mini Tower Computer Specifications35
- Cards41
- Drives53
- Processor73
  - Removing the Processor73
  - Installing the Processor74
- I/O Panel77
  - Removing the I/O Panel77
  - Replacing the I/O Panel78
- Power Supply79
  - Replacing the Power Supply79
  - DC Power Connectors81
- Speakers85
  - Installing a Speaker85
  - Removing a Speaker86
5 Desktop Computer87
- About Your Desktop Computer87
- Removing the Computer Cover90
- Inside Your Computer91
- Chassis Intrusion Switch92
- Removing the Heat Sink Assembly94
- System Board Components95
6 Desktop Computer Specifications97
- Cards103
- Drives127
- Processor149
  - Removing the Processor149
  - Installing the Processor150
- I/O Panel153
  - Removing the I/O Panel153
  - Replacing the I/O Panel154
- Power Supply155
  - Replacing the Power Supply155
  - DC Power Connectors157
- Speakers163
  - Installing a Speaker163
  - Removing a Speaker164
7 Small Form Factor Computer165
- About Your Small Form Factor Computer165
- Removing the Computer Cover168
- Inside Your Computer169
- Chassis Intrusion Switch170
- System Board Components172
- Small Form Factor Computer Specifications175
- Cards181
- Drives195
- Processor213
  - Removing the Processor213
  - Installing the Processor214
- I/O Panel217
  - Removing the I/O Panel217
  - Replacing the I/O Panel218
- Power Supply219
  - Replacing the Power Supply219
  - DC Power Connectors221
- Speakers225
  - Installing a Speaker225
  - Removing a Speaker225
8 Ultra Small Form Factor Computer227
- About Your Ultra Small Form Factor Computer227
- Removing the Computer Cover232
- Inside Your Computer233
- Chassis Intrusion Switch233
- System Board Components236
  - Cable Cover (Optional)237
    - Attaching the Cable Cover237
    - Removing the Cable Cover237
- Connecting the AC Power Adapter238
- Dell Badge239
- Ultra Small Form Factor Computer Specifications241
- Drives247
  - General Installation Guidelines247
  - Hard Drive248
    - Installing a Hard Drive249
    - Replacing a Hard Drive Fan252
- Module Bay255
- Processor261
- Speakers267
  - Installing a Speaker267
  - Removing a Speaker268
9 Advanced Features269
- Legacyselect Technology Control269
- Manageability269
- Physical Security274
- Trusted Platform Module (TPM)275
  - Enabling the TPM Feature275
- Security Management Software276
- Computer Tracking Software276
- About Smart Cards and Fingerprint Readers276
- Password Protection277
- System Setup280
- Booting to a USB Device288
  - Memory Key288
  - Floppy Drive289
- Jumper Settings289
- Clearing Forgotten Passwords290
- Clearing CMOS Settings291
- Hyperthreading and Multi-Core Technology292
- Power Management for Windows XP and Windows Vista292
  - Options in Windows XP292
  - Options in Windows Vista294
- About RAID Configurations295
10 Battery303
- Replacing the Battery303
11 Replacing the System Board307
- Removing the System Board: Mini Tower, Desktop, Small Form Factor, and Ultra Small Form Factor Computers307
- Replacing the System Board: Mini Tower, Desktop, Small Form Factor, and Ultra Small Form Factor Computers311
12 Memory313
- DDR2 Memory Overview313
- Addressing Memory Configurations314
- Installing Memory314
- Removing Memory316
13 Replacing the Computer Cover317
- Mini-Tower, Desktop, and Small Form Factor Computers317
- Ultra Small Form Factor Computers317
14 Installing Your Computer in an Enclosure319
15 Cleaning Your Computer323
- Computer, Keyboard, and Monitor323
- Mouse323
  - Cleaning a Non-Optical Mouse323
  - Cleaning an Optical Mouse323
- Floppy Drive324
- Cds and Dvds324
16 Microsoft Windows Features325
Microsoft ® Windows ® Features325
- Transferring Information to a New Computer325
  - Microsoft ® Windows ® XP325
    - Running the Files and Settings Transfer Wizard with the Operating System Media325
    - Running the Files and Settings Transfer Wizard Without the Operating System Media326
  - Microsoft Windows Vista327
- Setting up a Home and Office Network328
  - Connecting to a Network Adapter328
  - Network Setup328
    - Windows XP328
    - Windows Vista329
17 Troubleshooting331
- Battery Problems331
- Card Problems331
- Drive Problems332
- Power Lights344
- System Lights345
- Diagnostic Lights347
- Beep Codes350
- System Messages351
- Cmos Battery352
- Dell Diagnostics353
  - When to Use the Dell Diagnostics353
- Drivers356
- Troubleshooting Software and Hardware Problems in the Microsoft ® Windows ® XP and Microsoft Windows Vista ® Operating Systems358
- Restoring Your Operating System359
Getting Help365
- Obtaining Assistance365
- Problems with Your Order367
- Product Information367
- Returning Items for Warranty Repair or Credit367
- Before You Call367
- Contacting Dell370
- FCC Notices (U.S. Only373

Dell OptiPlex 755 - Page 201

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