Removing the I/O Board | 49Removing the I/O BoardWARNING: 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.Prerequisites1 Follow the instructions from step 1 to step 7 in "Removing the Base Cover" onpage 12.2 Remove the speakers. See "Removing the Speakers" on page 22.3 Remove the battery. See "Removing the Battery" on page 25.4 Remove the mSATA/WWAN card. See "Removing the mSATA/WWAN Mini-Card" onpage 34.Procedure1 Disconnect the coin-cell battery cable from the I/O-board.2 Slide the securing latches on the I/O board-cable connector and, using thepull-tab, disconnect the ribbon cable from the I/O-board.3 Disconnect the I/O-board cable from the I/O board.1 coin-cell-battery cable 2 latches3 ribbon cable 4 I/O board cable1324
