How to disassemble Dell Inspiron 15 5000 Series 5559 5558 5555

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Dell Inspiron 15 5000 Series 5558/5559 disassembly guide

In this guide I will show how to disassemble Dell Inspiron 15 5000 Series laptop.

As an example I’m taking apart a laptop with product name: Dell Inspiron 5559 but also it should work for Dell Inspiron 5558 and 5555.



In this guide I’ll go through the following major steps:

  1. Removing the battery, hard drive, memory and optical drive: STEPS 1-8.
  2. Removing the keyboard: STEPS 9-13.
  3. Removing the bottom case: STEP 14-19.
  4. Removing the motherboard, DC power jack and cooling fan: STEP 20-27.

It’s a long disassembly guide so be organized. Keep track of screws.

Keep screws organized

STEP 1.

Unlock and remove the battery.

Remove laptop battery

STEP 2.

Remove two screws from the hard drive and memory cover.

Remove hard drive and memory cover



STEP 3.

Remove the cover.

You’ll have to apply some reasonable force to separate the cover from the bottom case. There are hidden latches securing the cover.

Separate cover from bottom case

STEP 4.

Remove four screws securing the hard drive bracket.

Remove hard drive screws

STEP 5.

Unlock the connector (red arrow) and disconnect the hard drive SATA cable from the motherboard.

Disconnect SATA cable from motherboard

STEP 6.

Unplug the SATA cable from the hard drive.

It’s necessary only if you are replacing or upgrading the hard drive.

By the way, replacing the regular hard drive with a solid state drive will improve the laptop performance significantly.

Dell Inspiron 15 5000 5558/5559 hard drive removed

STEP 7.

Dell Inspiron 15 5000 series 5559/5558/5555 has two memory slots.

In order to remove the memory module spread latches on both sides of the slot. The memory module will pop up at a 30 degree angle.

Dell Inspiron 15 5000 memory slots

Pull the memory module from the slot.

Remove memory module

STEP 8.

Remove two screws securing the optical drive.

Push the optical drive out through the opening in the battery compartment.

Remove the drive.

Remove optical drive

STEP 9.

Removing the keyboard from Dell Inspiron 15 5000 series 5559/5558/5555 laptop is a little bit tricky.

There are five hidden latches securing the keyboard.

Five latches securing keyboard

You’ll need a thin metal case opener to release keyboard latches.

Insert the case opener between the keyboard and the latch.

Push the latch inside.

Unlock keyboard latch

Lift up the keyboard.

Unlock all remaining latches.

Lift up keyboard

STEP 10.

Continue removing the keyboard with your fingers.

You’ll have to apply some reasonable force to separate the keyboard from the top case.

Continue removing keyboard

There are small metal knobs securing the keyboard to the top case. They engage with plastic retainers on the back of the keyboard.

Under the keyboard you will find two flat cables: the keyboard cable and the backlight cable.

Do you see “UP” sign on each cable? Make sure both cables positioned correctly during the reassembly process.

For knobs securing the keyboard

STEP 11.

Unlock the small connector and pull the backlight cable out.

Disconnect backlight cable

STEP 12.

Unlock the big connector and pull the keyboard cable out.

Disconnect keyboard cable

STEP 13.

Remove the keyboard.

Dell Inspiron 15 5000 5558/5559 keyboard removed

STEP 14.

Remove six screws securing the top case.

Disconnect the optical drive cable from the motherboard.

Remove top case screws

STEP 15.

Remove all screws from the bottom of the laptop.

Screws I marked in yellow are shorter than screws marked in red.

Remove screws from laptop bottom

STEP 16.

Remove three more screws located in the optical drive bay.

Remove three screws form optical drive bay

STEP 17.

Remove the wireless card bracket which is secured by one screw.

It’s necessary to remove the wireless card if you are going to remove the bottom case.

Remove Wi-Fi card bracket

Disconnect both antenna cables from the wireless card.

Disconnect Wi-Fi antennas

Pull the wireless card out.

Remove wireless card

STEP 18.

Unplug the speaker cable fro the motherboard.

Unplug speaker cable

STEP 19.

Separate the bottom case from the top case using plastic case opener or any other similar tool.

Start separating bottom case from top case

Continue removing the bottom case with your fingers.

Continue removing bottom case

There are four plastic latches securing the bottom case in the battery compartment.

Four latches securing bottom case

Unlock the latches and continue removing the bottom case.

Unlock latches

Be careful while removing the bottom case. You’ll have to pull the optical drive cable and Wi-Fi antennas through the openings in the case.

Pull cables through

The bottom case has been removed.

Dell Inspiron 15 5000 bottom case removed

Now you can access most internal components.

Accessing internal laptop components

STEP 20.

Before removing the motherboard it’s necessary to disconnect two cables on the top case:

  • power button cable (green rectangle)
  • trackpad cable (red rectangle)

Disconnect power button and trackpad cables

STEP 21.

Unlock the display video cable connector and pull the cable out.

Unlock display video cable connector

STEP 22.

Unroute the display video cable from the guided path.

Remove one screw securing the motherboard.

Remove one screw securing the DC power jack.

Remove motherboard screws

STEP 23.

Lift up the motherboard from the bottom case.

NOTE: the DC power jack seated in the case. You’ll have to lift up the DC jack from the case.

Lift up DC power jack

STEP 24.

Turn the motherboard upside down and disconnect the USB board cable.

Disconnect USB board cable

STEP 25.

In Dell Inspiron 15 5000 series 5559/5558/5555 laptop the DC jack attached to the power cable.

Disconnect the cable from the motherboard.

Dell Inspiron 15 5000 5558/5559 DC power jack removed

STEP 26.

Loosen three screws securing the heatsink.

Disconnect the fan cable from the motherboard.

Disconnect cooling fan

Separate the heatsink assembly from the motherboard.

Remove heatsink assembly

STEP 27.

Remove three screws securing the cooling fan to the heatsink.

Remove fan screws

Now you can remove the fan.

Dell Inspiron 15 5000 5558/5559 cooling fan removed

15″ and 17″ 5000 series laptops has similar screen removal steps.

LCD screen removal

If you need to replace the LCD screen, take a look at the display disassembly guide.


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