Front I/O Devices - HP Compaq dc7700 Business PC Removal And Replacement Procedures

12/16/2018 HP Compaq dc7700 Business PC - Removal and Replacement Procedures -- Small Form Factor (SFF) Chassis | HP® Customer Support
When replacing the shroud, make sure that it does not get caught on the wires from either the fan or the speaker.

Front I/O Devices

1.
Prepare the computer for disassembly (
2.
Remove the computer cover (
3.
Remove the two screws that secure the front I/O device to the chassis (1).
4.
Rotate the drive cage to its full upright position.
5.
Disconnect the front I/O cable from the system board.
6.
Push the front I/O device into the chassis (2) and snake the cable through the tunnel (3) to remove the device from the chassis.
To reinstall the front I/O device, reverse the removal procedure.
Heatsink
1.
Prepare the computer for disassembly (
2.
Remove the computer cover (
3.
Fan Shroud
Remove the fan shroud (
4.
Disconnect the fan control cable from the system board.
5.
Loosen the four captive screws that secure the heatsink to the system board tray.
Heatsink retaining screws should be removed in diagonally opposite pairs (as in an X) to even the downward forces on
 CAUTION:
the processor. This is especially important as the pins on the socket are very fragile and any damage to them may require replacing
the system board.
6.
Lift the heatsink from atop the processor and set it on its side to keep from contaminating the work area with thermal grease.
https://support.hp.com/us-en/product/hp-compaq-dc7700-small-form-factor-pc/3232029/document/c00862331#AbT11
Preparation for Disassembly
Computer Cover
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Preparation for Disassembly
Computer Cover
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