5Disconnect the cable from the back of the media card reader and from the system board.

6If you are not replacing the media card reader at this time, install the 3.5 inch drive insert (see "Replacing Drive Inserts" on page 131). Contact Dell if you need a drive bay insert.

Installing a Media Card Reader

1If you are installing a new drive or media card reader:

a Remove the drive inserts (see "Removing Drive Inserts" on page 129). b Remove the four shoulder screws from the drive panel insert.

c Pull to remove the 3.5 inch drive insert that should be installed in the drive bay.

Drives

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Dell 755 manual 139