Compaq Presario 7800 Series Maintenance & Service Manual page 54

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Removal and Replacement
Removal
Sequence
Chassis
Mass Storage
Devices
Button Board
Digital
Creativity
Imaging
Center
Option Card
Retainer
Graphics Board
PCI Cards
Memory
Processor
RTC Battery
System Board
Cables
System Board
Back I/O Panel
Power Supply
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Maintenance & Service Guide
Presario 7800 Series and 5900T Personal Computers
Product Description
Removal & Replacement
System board may vary from the one shown.
Troubleshooting
Jumpers & Switches
Removing the System
Board
NOTE:
10.
11.
Replacement
Illustrated Parts
Specifications
1. Complete the preparation
for
disassembly procedures.
2. Remove the chassis.
3. Remove the Graphics
Board.
4. Remove the Fax/Modem.
5. Remove Networking
Interface Card (on select
models only).
6. Remove the Audio
7. Remove the Memory.
8. Remove the Processor.
9. Disconnect the System
Board Cables.
Be sure to remove
components
such as DIMMs and
processor before replacing
the system board.
Remove the nine screws
from the system board.
Slide system board toward
drive bay and lift from the
computer.
To replace the system
board,
reverse the removal
procedure.
Card.