![](/images/new-backgrounds/1192601/192601209x1.webp)
7Reinstall the SAS controller daughter card. See "Installing a SAS Controller Daughter Card" on page 70.
8Reattach the SAS controller daughter card cables and the control panel cable. See "SAS and SAS RAID Controller Daughter Card Cabling Guidelines" on page 72.
9Reinstall the hard drives. See "Installing a
NOTE: Reinstall the hard drives in the same drive bays from which they were removed.
10If applicable, reconnect the internal tape drive. See "Removing and Installing an Internal SCSI Tape Drive" on page 86.
11If applicable, reconnect the diskette drive. See "Installing the Diskette Drive Into the System" on page 84.
12If applicable, reconnect the optical drive. See "Installing the Optical Drive" on page 82.
13Close the system. See "Closing the System" on page 55.
Control Panel Assembly (Service-only Procedure)
NOTE: The control panel assembly consists of two separate
Removing the Control Panel Assembly
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.
1If applicable, remove the bezel. See "Removing the Front Bezel" on page 53.
2Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and peripherals.
3Open the system. See "Opening the System" on page 54.
4Disconnect the control panel cable at back of the control panel board. See Figure
NOTICE: Do not pull on the cable to unseat the connector. Doing so can damage the cable.
aSqueeze the metal tabs on the ends of the cable connector.
bGently work the connector out of the socket.
5Disconnect the display module cable from the control panel board. See Figure
6Remove the three screws that secure the control panel board to the system chassis and remove the board. See Figure
7Remove the display module:
a Insert the end of paper clip into the hole on the right side of the display module and gently pry off the label.