Lenovo IdeaPad U455 - Manual (Page 70)

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Chapter 6. Upgrading and replacing devices
To replace the hard disk drive, do the following:
1
Turn off the computer; then disconnect the AC 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 compartment cover.
a. Loosen the screws that secure the compartment cover .
b. Remove the compartment cover .



b
a