Lenovo B4400 (English) User Guide - Page 46

Removing the optical drive, Remove the screw shown in the illustration

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Appendix. CRU (Customer Replaceable Units) instructions Removing the optical drive To remove the optical drive, do the following: 1 Turn off the computer, then disconnect the AC power adapter and all cables from the computer. 2 Close the computer display, and then turn the computer over. 3 Remove the battery pack. 4 Remove the Hard disk drive/Memory/Mini PCI Express Card slot compartment cover. 5 Remove the screw shown in the illustration a . 6 Gently pull the optical drive out b . b a 42

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Appendix. CRU (Customer Replaceable Units) instructions
Removing the optical drive
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
To remove the optical drive, do the following:
1
Turn off the computer, then disconnect the AC power adapter and all
cables from the computer.
2
Close the computer display, and then turn the computer over.
3
Remove the battery pack.
4
Remove the Hard disk drive/Memory/Mini PCI Express Card slot
compartment cover.
5
Remove the screw shown in the illustration
.
6
Gently pull the optical drive out
.
a
b
b
a