Service Manual

Front I/O Panel
Removing the Front I/O Panel
1. Follow the procedures in Before You Begin.
2. Remove the heat sink (see Removing the Heat Sink Assembly).
3. Remove the fan assembly (see Removing the Fan Assembly).
4. Remove any additional components that restrict access to the I/O panel.
5. Remove the screw that secures the front I/O panel to the computer.
6. Pivot the I/O panel toward the back of the computer, and then carefully lift it up and out of the computer.
7. Disconnect any cables that are attached to the front I/O panel.
8. Remove the Diagnostic LED card.
a. Remove the cable connected to the card.
b. Press the Diagnostic LED card case release lever and slide the case towards the bottom of the chassis to release the card case from the chassis.
c. Gently remove the LED card case from the computer.
Installing the I/O Panel
Follow the procedures in Removing the Front I/O Panel in reverse order.
To replace the Diagnostic LED card:
1. Orient the five LED card case tabs with the slots in the chassis.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
1
screw
2
front I/O panel
CAUTION: When reinstalling the fan, ensure that you do not pinch the wires that run between the system board and the fan.
NOTE: Ensure that the card release lever is on top.