Lenovo 07ACH7 Hardware Maintenance Manual page 65

For access, do the following:
1. Remove the computer cover. See "Computer cover" on page 55.
2. Remove the front bezel. See "Front bezel" on page 56.
3. Remove the optical drive. See "Optical drive" on page 58.
4. Disconnect the signal cable and the power cable from the storage drive.
Replacing steps
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Chapter 6 Hardware removal and installation
61