Dell XPS 12 (9Q33, Mid 2013) - Manual (Page 18)

Replacing the mSATA Card
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before Working Inside
Your Computer" on page 7. After working inside your computer, follow the
instructions in "After Working Inside Your Computer" on page 9.
For more safety best practices, see the Regulatory Compliance home page at
dell.com/regulatory_compliance.
Procedure
1 Align the notch on the mSATA card with the tab on the mSATA-card connector.
2 Insert the mSATA card, at an angle, into the mSATA-card connector.
3 Press the other end of the mSATA card down and replace the screw that secures
the mSATA card to the system board.
Postrequisites
1 Replace the battery. See "Replacing the Battery" on page 14.
2 Replace the base cover. See "Replacing the Base Cover" on page 12.
18 | Replacing the mSATA Card