Replacing the mSATA/WWAN Card | 35Replacing the mSATA/WWAN CardWARNING: Before working inside your computer, read the safety informationthat shipped with your computer and follow the steps in "Before You Begin" onpage 9. After working inside your computer, follow the instructions in"After Working Inside Your Computer" on page 11. For additional safety bestpractices information, see the Regulatory Compliance Homepage atdell.com/regulatory_compliance.Procedure1 Adhere the mylar on the mSATA/WWAN card.2 Align the notch on the mSATA/WWAN card with the tab on themSATA/WWAN-card connector.3 Insert the mSATA/WWAN card at a 45-degree angle into the mSATA/WWAN-cardconnector.4 Press the other end of the mSATA/WWAN card down into the slot on the I/O boardand replace the screw that secures the mSATA/WWAN drive to the palm-restassembly.5 If you are replacing a WWAN card, connect the antenna cables to the connectorson the WWAN card.The following table provides the antenna-cable color scheme for the WWAN cardsupported by your computer.Postrequisites1 Replace the battery. See "Replacing the Battery" on page 26.2 Replace the speakers. See "Replacing the Speakers" on page 24.3 Follow the instructions from step 2 to step 6 in "Replacing the Base Cover" onpage 15.Connectors on the Mini-Card Antenna-Cable Color SchemeWWAN (2 antenna cables)Main WWAN (white triangle)Auxiliary WWAN (black triangle)white with gray stripeblack with gray stripe