Replacing the hard disk drive

Before you start, print these instructions.

You can replace the hard disk drive with a new one which can be purchased from your Lenovo reseller or a marketing representative. To replace the hard disk drive, read the following prerequisites.

Note: Replace the hard disk drive only if you upgrade it or have it repaired. The connectors and slot of the hard disk drive were not designed for frequent changes, or drive swapping.

Prerequisites for the procedure

When replacing the drive, be sure to follow the precautions.

Attention: When you are handling a hard disk drive:

•Do not drop the drive or subject it to physical shocks. Put the drive on a material, such as soft cloth, that absorbs any physical shocks.

•Do not apply pressure to the cover of the drive.

•Do not touch the connector.

The drive is very sensitive. Incorrect handling can cause damage and permanent loss of data.

Before removing the hard disk drive, make a backup copy of all the information on it, and then turn the computer off.

Never remove the drive while the system is operating, in sleep (standby) mode, or in hibernation mode.

To replace the hard disk drive, do as follows:

1.Turn off the computer; then disconnect the ac power adapter and all cables from the computer.

2.Close the computer display, and turn the computer over.

3.Remove the battery. See “Replacing the battery” on page 119.

4.Loosen the screw that secures the cover of the slot (1), and then remove the cover itself (2).

126User Guide

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Lenovo NVS-4200M, 42825BU, 4242X04 Replacing the hard disk drive, Prerequisites for the procedure

Models: 4242X04 NVS-4200M 42421A0 42825BU