Inserting The Hard Disk Drive Into The Adapter - Lenovo ThinkPad T420si User Manual

2. Insert the replaceable device into the bay; then press the device firmly into the connector.
3. Press the Fn key to return from sleep (standby) mode.

Inserting the hard disk drive into the adapter

The ThinkPad Serial Hard Drive Bay Adapter III (hard disk drive adapter), which is available as an option,
enables you to upgrade the capacity of your computer by installing a secondary hard disk drive.
Note: The ThinkPad Serial Hard Drive Bay Adapter III supports only 2.5 inch (7 mm height) hard disk drive.
To install the hard disk drive in your computer, you first insert the hard disk drive into the hard disk drive
adapter, and then insert the hard disk drive adapter into the Serial Ultrabay Slim of your computer.
Note: You can install a 9.5-mm-thick Serial Ultrabay Slim in the Serial Ultrabay Slim.
Attention: Replace a hard disk drive only if you are upgrading it or having it repaired. Frequent replacement
of the hard disk drive might damage the drive and bay.
1. Remove the hard disk drive from your computer. To remove the drive, refer to the instructions given in
"Replacing the device" on page 129.
2. Open the hard disk drive stopper.
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Chapter 7 Enhancing your computer
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