3. Reconnect the DC power cables to the drives and system board.
4. Replace the computer cover.
5. Connect the AC power cable to the AC power connector on the back of the power supply.
6. Connect your computer and devices to electrical outlets, and turn them on.
Replacing the Battery
A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years.
If you have to repeatedly reset time and date information after turning on the computer, replace the battery.
1. Record all the screens in the system setup program so that you can restore the correct settings when you perform step 11.
2. Shut down the computer through the Start menu.
3. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
4. Disconnect any telephone or telecommunication lines from the computer.
5. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board.
6. Remove the computer cover.
7. Locate the battery socket on the system board and pry the battery out of its socket with your fingers or with a plastic screwdriver.
8. Insert the battery into the socket with the side labeled "+" facing up.
9. Replace the computer cover.
10. Connect your computer and devices to electrical outlets, and turn them on.
11. Access the system setup program and restore the settings you recorded in step 1.
Replacing the Computer Cover
1. Ensure that all cables are connected, and fold cables out of the way. Make sure cables are not routed over the drive cage—they will prevent the cover
NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface, such as the metal at the back of the
computer. While you work, periodically touch an unpainted metal surface to dissipate any static electricity that could harm internal components.
