Lenovo 3823, 3821, 3822, 3719 manual Removing a 2.5-inch hot-swap hard disk drive

6.Install the fan-cage assembly (see “Installing the fan-cage assembly” on page 172).

7.Install the air baffle (see “Installing the air baffle” on page 170).

8.Return the power-supply cage to its closed position (see “Closing the power-supply cage” on page 160).

9.Install the hot-swap power supply or power supplies (see “Installing a hot-swap power supply” on page 175).

10.Install the bezel (see “Installing the bezel” on page 154).

11.Install and lock the left-side cover (see “Installing the left-side cover” on page 158).

12.Reconnect the external cables and power cords; then, turn on the attached devices and turn on the server.

Removing a 2.5-inch hot-swap hard disk drive

Filler panel

Hard disk drive assembly

Release latch

Drive handle

To remove a hot-swap hard disk drive, do the following:

1.Read the safety information that begins on page 5.

Attention: Static electricity that is released to internal server components when the server is powered on might cause the server to halt, which might result in the loss of data. To avoid this potential problem, always use an electrostatic-discharge wrist strap or other grounding system when you work inside the server with the power on.

2.Open the bezel (see “Opening the bezel” on page 150).

Chapter 7. Installing optional devices and replacing customer replaceable units 195