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10. Remove the optical drive bracket (2).
Reverse this procedure to reassemble and install the optical drive.
Upgrade bay cradle
Description Spare part number
Upgrade bay cradle 643921-001
Before removing the upgrade bay cradle, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 67).
5. Remove the service cover (see
Service cover on page 69).
Remove the upgrade bay cradle:
1. Position the computer upside-down with the right side toward you.
Component replacement procedures 73