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System Board

Dell™ Inspiron™ 535/537/545/546 Service Manual

  Removing the System Board

  Replacing the System Board

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

WARNING: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.

WARNING: Do not operate your equipment with any cover(s) (including computer covers, bezels, filler brackets, front-panel inserts, etc.) removed.

Removing the System Board

1. Follow the procedures in Before You Begin.
   
   
2. Remove the computer cover (see Removing the Computer Cover).
   
   
3. Remove any add-in cards on the system board (see Removing PCI and PCI Express Cards).
   
   
4. Remove the processor fan and heat sink assembly (see Removing the Processor Fan and Heat Sink Assembly).
   
   
5. Remove the processor (see Removing the Processor).
   
   
6. Remove the memory modules (see Removing Memory) and document which memory module is removed from each memory socket so that the memory modules can be installed in the same location after the board is replaced.
   
   
7. Disconnect all cables from the system board. Note the routing of all cables as you remove them so that you can re-route them correctly after installing the new system board.
   
   
8. Remove the screws from the system board.
   
   
9. Lift the system board up and out.
   
   

Inspiron 535/537

1

screws (6)

2

system board

Inspiron 545/546

1

screws (8)

2

system board

Compare the system board that you just removed with the replacement system board to ensure that they are identical.

Replacing the System Board

1. Gently align the board into the chassis and slide it towards the back of the computer.
   
   

CAUTION: Ensure that the port retention springs are not damaged while replacing the sytem board.

Inspiron 535/537

1

back of the computer

2

port retention spring

Inspiron 545/546

1

back of the computer

2

port retention springs (3)

2. Replace the screws that secure the system board to the chassis.
   
   
3. Replace the cables that you removed from the system board.
   
   

CAUTION: Ensure that the processor fan and heat sink assembly is correctly seated and secure.

4. Replace the processor (see Replacing the Processor).
   
   
5. Replace the processor fan and the heat sink assembly (see Replacing the Processor Fan and Heat Sink Assembly).
   
   
6. Replace the memory modules into the memory sockets at the same locations from which you removed them (see Replacing Memory).
   
   
7. Replace any add-in cards on the system board (see Replacing PCI and PCI Express Cards).
   
   
8. Replace the computer cover (see Replacing the Computer Cover).
   
   
9. Connect your computer and devices to an electrical outlet, and turn them on.
   
   

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