10. Remove the keyboard (3).
Reverse this procedure to install the keyboard.
Top cover
Description Spare part number
Top cover for use in model 4530s:
With a fingerprint reader and USB 3.0 646251-001
Without a fingerprint reader and with USB 3.0 646253-001
With a fingerprint reader and USB 2.0 658344-001
Without a fingerprint reader and with USB 2.0 658345-001
With no USB logo for use in USB 2.0 or USB 3.0 computers with a fingerprint reader 667656-001
With no USB logo for use in USB 2.0 or USB 3.0 computers without a fingerprint reader 667657-001
Top cover for use in model 4730s:
With a fingerprint reader and USB 2.0 646257-001
Without a fingerprint reader and USB 2.0 646260-001
With no USB logo for use in USB 2.0 or USB 3.0 computers with a fingerprint reader 667658-001
With no USB logo for use in USB 2.0 or USB 3.0 computers without a fingerprint reader 667659-001
Before removing the top cover, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn
the computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
Component replacement procedures 65
