Dell OptiPlex 5040 Small Form Factor - Page 7

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5. If required, verify that the computer works correctly by running Dell Diagnostics.

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Table of Contents3
Working on Your Computer5
Before Working Inside Your Computer5
Turning off Your Computer6
After Working Inside Your Computer6
Removing and Installing Components8
Removing the Cover8
Installing the Cover8
Removing the Front Bezel8
Installing the Front Bezel9
Removing the Fan Duct9
Installing the Fan Duct10
Removing the Heat Sink Assembly10
Installing the Heat Sink Assembly10
Removing the Processor11
Installing the Processor11
Removing the Memory Module12
Installing the Memory Module12
Removing the Hard Drive Assembly12
Removing the Hard Drive from the Hard Drive Bracket13
Installing the Hard Drive into the Hard Drive Bracket14
Installing the Hard Drive Assembly14
Removing the Optical Drive14
Installing the Optical Drive16
Removing the Expansion Card16
Installing the Expansion Card17
Removing the System Fan17
Installing the System Fan18
Removing the Power Switch18
Installing the Power Switch19
Removing the Power Supply Unit (PSU)19
Installing the Power Supply Unit (PSU)21
Removing the VGA Daughter Board21
Installing the VGA Daughter Board22
Removing the Intrusion Switch22
Installing the Intrusion Switch23
Removing the SD Card Reader23
Installing the SD Card Reader24
Installing the Optional SSD Card24
Removing the Optional SSD Card26
Removing the System Board26
Installing the System Board28
System Board Layout29
Troubleshooting Your Computer31
Diagnostic Power LED Codes31
Diagnostic Error Messages32
System Error Messages36
System Setup38
Boot Sequence38
Navigation Keys38
System Setup Overview39
Accessing System Setup39
System Setup Options39
System Setup Options47
Updating the BIOS55
System and Setup Password56
Assigning a System Password and Setup Password56
Deleting or Changing an Existing System And/Or Setup Password57
Specifications58
Contacting Dell63

Dell OptiPlex 5040 Small Form Factor - Page 7

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