Tuesday 5 May 2015

Dell Inspiron 14R -3421 Disassembly Steps

In this guide, i’ll explan How to disassemble Dell Inspiron 14-3421 remove and replace hard drive, dvd drive, keyboard, palm rest, ram memory, wireless lan card, bottom case, usb board, heatsink, cooling fan and motherboard, refer on this guide, you can upgrade, repair, clean fan for your Inspiron 14-3421.
Dell Inspiron 14-3421 teardown step:
unlock and remove the battery

pull out the dvd drive

Dell Inspiron 14-3421 installed a samsung SU-208 dvd drive.

remove the screws securing the service cover.

lift and remove the service cover.

under the cover, we can get access the ram, wireless lan card and hard drive.

remove the screw securing the hard drive module, lift the black tape and slide to the left

Dell Inspiron 14-3421 installed a seagate 500GB 5400RPM hard drive.

remove one screw securing the wireless lan card, disconnect two antennas, then take it away from it’s slot.

Dell Inspiron 14-3421 have two ram slots, mean you can install another ram

remove all the screws from bottom case.
turn over the laptop
pry up and remove the keyboard

Dell Inspiron 14-3421 keyboard has been removed.

remove four screws securing the palm rest
disconnect two cables

pry up the palm rest

the palm rest has been removed

in next step, we will remove the motherboard.

disconnect the cable, you can find one screw, remove it

now you can remove the motherboard.

loosen three screws securint the heatsink, disconnect the cooling fan cable from motherboard.

the heat sink and cooling fan has been removed.

Dell Inspiron 14-3421 usb board

lcd hinge

ports

Dell Inspiron 14-3421 card reader



 
Completed.

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