Dell Inspiron 3420 - Display; Display Assembly

Display 59
16
Display
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 13) before working inside the computer.
Display Assembly
Removing the Display Assembly
1 Follow the instructions in "Before You Begin" on page 9.
2 Remove the battery (see "Removing the Battery" on page 13).
3 Follow the instructions from step 3 to step 8 in "Removing the Palm-Rest
Assembly" on page 25.
4 Remove the optical drive (see "Removing the Optical Drive" on page 23).
5 Remove the USB board (see "Removing the USB Board" on page 47).
6 Remove the hinge cover (see "Removing the Hinge Cover" on page 55).
7 Disconnect the display cable from the connector on the system board.
8 Disconnect the Mini-Card antenna cables from the connectors on the
Mini-Card.
9 Make a note of the display cable and Mini-Card antenna cables routing
and remove the cables from the routing guides.