Lenovo ThinkPad Helix S230U User Manual page 66

• Before removing the hard disk drive or solid-state drive, make a backup copy of all the information
on it, and then turn the computer off.
• Never remove the hard disk drive or solid-state drive while the computer is operating, in sleep mode.
To replace the hard disk drive or solid-state drive, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 49.
2. Close the computer display, and turn the computer over.
3. Loosen the screw 1
cover.
4. Remove the hard disk drive or solid-state drive by pulling out the tab.
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User Guide
that secures the hard disk drive slot cover, then remove the hard disk drive slot