Dell OptiPlex 5040 Series

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Removing the speaker........................................................................................................................ 22

Installing the speaker.......................................................................................................................... 23

Removing the coin cell battery...........................................................................................................23

Installing the coin cell battery............................................................................................................ 24

Removing the heat sink assembly...................................................................................................... 24

Installing the heat sink assembly........................................................................................................24

Removing the processor.....................................................................................................................25

Installing the processor.......................................................................................................................25

Removing the system fan................................................................................................................... 26

Installing the system fan..................................................................................................................... 26

Removing the system board............................................................................................................... 27

Installing the system board.................................................................................................................27

3 Troubleshooting your computer.....................................................................29

Diagnostic power LED codes............................................................................................................. 29

Diagnostic error messages................................................................................................................. 30

System error messages.......................................................................................................................34

4 System Setup.......................................................................................................36

Boot Sequence....................................................................................................................................36

Navigation keys................................................................................................................................... 36

System Setup overview....................................................................................................................... 37

Accessing System Setup......................................................................................................................37

Updating the BIOS ............................................................................................................................. 38

System and setup password............................................................................................................... 38

Assigning a system password and setup password..................................................................... 39

Deleting or changing an existing system and/or setup password.............................................. 39

5 Specifications......................................................................................................40

6 Contacting Dell...................................................................................................45

Dell OptiPlex 5040 Series - Page 4