Dell inspiron M4040/14-N4050 Benutzerhandbuch - Seite 38

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  System Board
Dell Inspiron M4040/14-N4050 Owner's Manual
  Removing the System Board
  Replacing the System Board
  Entering the Service Tag in the BIOS
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
 
CAUTION:
Handle components and cards by their edges, and avoid touching pins and contacts.
 Removing the System Board
 
1. Follow the instructions in
Before You
 
2. Press and eject any installed cards from the 3-in-1 media card reader.
 
3. Remove the battery. See
Removing the
 
4. Remove the keyboard. See
 
5. Remove the memory module(s). See
 
6. Remove the optical drive. See
 
7. Follow the instructions from
 
8. Remove the Mini-Card. See
 
9. Follow the instructions from
 
10. Remove the thermal cooling assembly. See
 
11. Remove the processor. See
 
12. Disconnect the display cable, speakers cable, audio-board cable, USB-board cable, coin-cell battery cable, and AC-adapter cable from the connectors on
the system board.
1
display cable
3
speakers cable
Begin.
Battery.
Removing the
Keyboard.
Removing the Memory
Module(s).
Removing the Optical
Drive.
step 3
to
step 8
in
Removing the Palm-Rest
Removing the
Mini-Card.
step 4
to
step 5
in
Removing the Hard
Removing the Thermal Cooling
Removing the Processor
Module.
2
AC-adapter cable
4
coin-cell battery cable
Removing the
Assembly.
Drive.
Assembly.
Battery, before working inside the computer.