3   Replacing Hardware Components
Replacing the System Board
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5 Install the new system board. To do this, align the rear connectors on 
the new system board with the holes on the inside back panel. Lower 
the board onto the 2 location pins, then replace the screws that hold 
it in place. 
6 Replace the main memory, processor and any accessory boards in 
the new system board (described in this chapter). Reconnect any 
cables you disconnected earlier and replace the drive tray.
7 Replace the cover (described in this chapter).
NOTE If you change your processor or system board, you may need to update 
your BIOS. The latest BIOS for your PC and instructions on updating the 
BIOS are available from: www.hp.com/go/vectrasupport.