Owners Manual

ManualsBrandsDell Manuals3000 SeriesOptiPlex 3040

Installing the processor.................................................................................................................................................... 21

Removing the system fan................................................................................................................................................21

Installing the system fan.................................................................................................................................................. 21

Removing the system board...........................................................................................................................................22

Installing the system board............................................................................................................................................. 22

System board layout........................................................................................................................................................ 23

3 Troubleshooting your computer................................................................................................................... 25

Diagnostic power LED codes......................................................................................................................................... 25

Diagnostic error messages..............................................................................................................................................26

System error messages...................................................................................................................................................29

4 System Setup.............................................................................................................................................. 30

Boot Sequence.................................................................................................................................................................30

Navigation keys................................................................................................................................................................ 30

System Setup overview................................................................................................................................................... 31

Accessing System Setup................................................................................................................................................. 31

System Setup options...................................................................................................................................................... 31

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

System and setup password...........................................................................................................................................39

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

Deleting or changing an existing system and/or setup password....................................................................... 40

5 Specications...............................................................................................................................................41

6 Contacting Dell............................................................................................................................................ 46

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