Dell XPS 14Z (L412z): Hall-Sensor Board
Hall-Sensor Board: Dell XPS 14Z (L412z)
book.book Page 35 Thursday, May 3, 2012 3:09 PM
9
Hall-Sensor Board
WARNING: Before working inside your computer, read the safety information
that shipped with your computer. For additional safety best practices
information, see the Regulatory Compliance Homepage at
www.dell.com/regulatory_compliance.
CAUTION: Only a certified service technician should perform repairs on your
computer. Damage due to servicing that is not authorized by Dell is not covered by
your warranty.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (such as
a connector on your computer).
CAUTION: To help prevent damage to the system board, remove the main battery
(see "Removing the Battery" on page 15) before working inside the computer.
Removing the Hall-Sensor Board
1
Follow the instructions in "Before You Begin" on page 7.
2
Remove the base cover (see "Removing the Base Cover" on page 11).
3
Remove the battery (see "Removing the Battery" on page 15).
4
Remove the hard drive (see "Removing the Hard Drive" on page 25).
5
Without pulling hard on the sponge pad, carefully lift the sponge pad from
the inside edge of the computer.
Hall-Sensor Board 35
1 sponge pad
6
Lift the connector latch and pull the pull-tab to disconnect the
hall-sensor-board cable from the system-board connector.
7
Remove the screw that secures the hall-sensor board to the palm-rest
assembly.
8
Lift the hall-sensor board away from the palm-rest assembly.
36 Hall-Sensor Board
1
book.book Page 36 Thursday, May 3, 2012 3:09 PM
1 screw 2 system-board connector
Replacing the Hall-Sensor Board
1
Follow the instructions in "Before You Begin" on page 7.
2
Align the screw hole on the hall-sensor board with the screw hole on the
palm-rest assembly.
3
Replace the screw that secures the hall-sensor board to the palm-rest
assembly.
4
Slide the hall-sensor-board cable into the system-board connector and
press down on the connector latch to secure the cable.
5
Adhere the sponge pad to the palm-rest assembly.
6
Replace the hard drive (see "Replacing the Hard Drive" on page 28).
7
Replace the battery (see "Replacing the Battery" on page 16).
8
Replace the base cover (see "Replacing the Base Cover" on page 12).
CAUTION: Before turning on the computer, replace all screws and ensure that no
stray screws remain inside the computer. Failure to do so may result in damage to
the computer.
Hall-Sensor Board 37
1
2
book.book Page 37 Thursday, May 3, 2012 3:09 PM
book.book Page 38 Thursday, May 3, 2012 3:09 PM
38 Hall-Sensor Board