Dell OptiPlex 755 User Manual page 70

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User's Guide
I/O Panel
I/O Panel
Removing the I/O Panel
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the cover.
NOTE: Note the routing of all cables before disconnecting them, so that you can re route them correctly when installing the new I/O panel.
1. Follow the procedures in Before You
2. Remove the computer cover (see
3. Remove the heat sink assembly (see
4. Move all other cables out of the way.
5. Remove the screw that secures the I/O panel to the desktop computer.
NOTICE: When sliding the I/O panel out of the computer, be extremely careful. Carelessness may result in damage to the cable connectors and the
cable routing clips.
6. Gently rotate and slide the I/O panel away from the computer.
7. Remove the cable from the I/O panel by pulling on the pull tab.
1 securing screw
2 I/O panel
3 I/O cable connector
4 I/O connector pull loop
Replacing the I/O Panel
To replace the I/O panel, follow the removal procedures in the reverse order.
Begin.
Removing the Computer Cover).
Removing the Heat Sink Assembly).