System Board - HP 5850 - Deskjet Color Inkjet Printer Reference Manual

System Board

1. Prepare the computer for disassembly
2. Remove the computer access panel
3. Remove all expansion boards
4. Disconnect all cables connected to the system board, noting their location for reinstallation.
5. Remove the heatsink
6. Remove the seven screws that secure the system board to the chassis.
7. Slide the system board toward the front of the computer to disengage the I/O panel from the rear
of the chassis.
8. Lift the system board out of the computer.
When reinstalling the system board, first insert the I/O panel back into the slots in the rear of the chassis,
and then align the board with the chassis screw holes.
NOTE: When replacing the system board, you must change the chassis serial number in the BIOS.
104 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis
(Preparation for Disassembly on page
(Computer Access Panel on page
(Expansion Cards on page
(Heatsink on page 97).
61).
66).
72).