6.To replace the AGP card, gently press it down into the slot connector until it clicks into place. Press the card clip lever while inserting the card into the slot connector.

Adding a Second Hard Drive

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in "When Working Inside Your Computer."

Your computer includes one hard drive. To add a second hard drive:

1.Shut down the computer.

2.Turn off any attached devices and disconnect them from their electrical outlets.

NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.

3.Disconnect the computer power cable from the wall outlet, and then press the power button to ground the system board.

4.Unpack the drive and prepare it for installation.

See the drive documentation to ensure that the drive is set up for your computer.

5.Open the computer cover.

HINT: Two sets of rails are attached to the inside of the computer cover. Use the two longer rails on 5.25-inch drives.

Use the shorter rails for 3.5-inch drives. Rails for a second hard drive are attached inside the hard- drive bay.

6.Remove the two green plastic rails from the inside of the hard-drive bay.

These rails are not attached to the inside of the hard-drive bay with screws. To remove the rails, gently pull the rails up and out of the bay.

7.Attach the rails to the hard drive using the two screws attached to the rails.

Ensure that the rail tabs are positioned at the back of the hard drive.

NOTICE: Do not install any drive into the lower hard-drive bay until after you have removed the green drive rails from the inside of the hard-drive cage.

8.Remove the first hard drive from the upper bay and install it in the lower bay:

a.Disconnect the power cable and the data cable from the back of the first hard drive.

b.Press in the two green rail tabs and pull the first hard drive out of the upper bay.

c.Gently slide the first hard drive into the lower bay until you hear a click.

d.Reconnect the power cable and the data cable to the back of the first hard drive.

9.Gently slide the new hard drive into the upper bay until you hear a click.

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Dell Dimension 4300 technical specifications Adding a Second Hard Drive