Dell Inspiron 15 (3521, Late 2012) - Manual (Page 43)

Replacing the I/O Board | 43
Replacing the I/O Board
WARNING: Before working inside your computer, read the safety information
that shipped with your computer and follow the steps in "Before You Begin" on
page 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1 Gently slide the I/O board below the tab that secures it and snap the I/O board
into place.
2 Replace the screw that secures the I/O board to the computer base.
3 Connect the I/O board cable to the connector on the I/O board.
Postrequisites
1 Replace the palm-rest. See "Replacing the Palm-Rest" on page 35.
2 Replace the keyboard. See "Replacing the Keyboard" on page 29.
3 Replace the optical-drive assembly. See "Replacing the Optical-Drive Assembly" on
page 21.
4 Follow the instructions from step 3 and step 4 in "Replacing the Memory Module(s)"
on page 17.
5 Replace the battery. See "Replacing the Battery" on page 13.
6 Follow the instructions in "After Working Inside Your Computer" on page 9.
OM_Book.book Page 43 Tuesday, November 20, 2012 12:43 PM