Dell E520 service manual Replacing the Battery

Removing and Installing Parts: Dell Dimension E520 Service Manual

9.Replace the drive panel (see Installing the Drive Panel).

10.Replace the computer cover (see Replacing the Computer Cover).

NOTICE: To connect a network cable, first plug the cable into the network device and then plug it into the computer.

11.Connect your computer and devices to their electrical outlets, and then turn them on.

12.When you restart your computer, enter system setup (see System Setup), then go to the "Drives" section of the BIOS and under SATA 0 through 5, enable the SATA port for this drive.

See the documentation that came with the drive for instructions on installing any software required for drive operation.

Battery

Replacing the Battery

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis.

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.

CAUTION: A new battery can explode if it is incorrectly installed. Replace the battery only with the same or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions.

To replace the battery:

1.Record all the screens in system setup (see System Setup) so that you can restore the correct settings in step 9.

2.Follow the procedures in Before You Begin.

3.Remove the computer cover (see Removing the Computer Cover).

4.Locate the battery socket (see System Board Components).

NOTICE: If you pry the battery out of its socket with a blunt object, be careful not to touch the system board with the object. Ensure that the object is inserted between the battery and the socket before you attempt to pry out the battery. Otherwise, you may damage the system board by prying off the socket or by breaking circuit traces on the system board.

5.Remove the battery by carefully prying it out of its socket with your fingers or with a blunt, nonconducting object such as a plastic screwdriver.

6.Insert the new battery into the socket with the side labeled "+" facing up, then snap the battery into place.

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