Drives 65DrivesCAUTION: Before working inside your computer, read the safety information thatshipped with your computer. For additional safety best practices information, seethe Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.CAUTION: To guard against electrical shock, always unplug your computer fromthe electrical outlet before removing the cover.NOTICE: The procedure for removing and replacing drives is identical (exceptwhere noted) for the Vostro 420, Vostro 220, and Vostro 220s computers; theillustrations provided are for example only and may not represent your particularcomputer precisely.Hard DrivesCAUTION: Before working inside your computer, read the safety information thatshipped with your computer. For additional safety best practices information, seethe Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.CAUTION: To guard against electrical shock, always unplug your computer fromthe electrical outlet before removing the cover.NOTICE: To avoid damage to the drive, do not set it on a hard surface. Instead, setthe drive on a surface, such as a foam pad, that will sufficiently cushion it.NOTICE: If you are replacing a hard drive that contains data you want to keep,back up your files before you remove the drive.Removing a Hard Drive1 Follow the procedures in "Before Working on Your Computer" on page 35.2 Remove the computer cover (see "Removing the Computer Cover" onpage 47).3 For the Vostro 220s, remove the chassis support bracket (see "Removingthe Chassis Support Bracket" on page 55).4 Disconnect the power cable and data cable from the back of the drive.5 For the Vostro 420 and Vostro 220:a Remove the screws securing the hard drive to the drive cage.