Lenovo IdeaCentre K330B - Manual (Page 37)

Chapter 7. Replacing hardware
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4. Press the release button and push the optical drive straight out of the
front of the chassis.
5. Slide the new optical drive into the bay from the front until it snaps
into position.
6. Connect the data and power cables to the drive.
7. Install the front bezel. Refer to the steps 3 of the “Removing the front
bezel”.
8. Install the computer cover. Refer to “Completing the installation”.
Replacing the system fan assembly
Attention
Do not remove the computer cover or attempt any repair before
reading the “Important safety information” in the Safety and Warranty
Guide that was included with your computer or in the Hardware
Maintenance Manual (HMM) for the computer. To obtain copies of the
Safety and Warranty Guide or HMM, go to the Support Web site at
http://consumersupport.lenovo.com