In this tutorial I explain how to disassemble a Dell XPS 15 L502X laptop. My goal is removing and replacing broken DC jack.
I’ll go though the following major laptop disassembly steps:
STEP 1-4: Accessing laptop memory and wireless card. Removing the DVD drive.
STEP 5–9: Disconnecting and removing the palmrest assembly.
STEP 10-12: Removing laptop hard drive.
STEP 13-17: Disconnecting and removing the keyboard.
STEP 18-21: Removing laptop screen assembly.
STEP 22-27: Removing laptop bottom cover. Accessing the cooling fan.
STEP 28- 29: Disconnecting and removing DC jack cable.
Before you start, make sure the laptop is turned off.
Remove the battery.
Loosen/remove three screws securing the memory and wireless card cover.
Lift up and remove the cover.
Under the cover you can access both memory modules and wireless card.
It’s not necessary to remove memory modules for the purpose of my tutorial. I’ll leave them connected to the motherboard.
We’ll disconnect wireless card antenna cables later (step 19) when we remove the display panel.
Remove one screw securing the DVD optical drive.
Pull DVD drive from the laptop and remove it.
Remove one screw securing the palmrest assembly. This screw located in the battery compartment.
Release two latches securing the palmrest assembly.
Turn the laptop over and start lifting up the palmrest assembly from the laptop.
I’m using the guitar pick to separate the palmrest assembly from the laptop base.
Be careful while removing the palmrest assembly, it’s still connected to the motherboard.
Turn the palmrest upside down so you can access the touch pad cable (left arrow) and power button cable (right arrow).
In the following two steps I explain how to unlock connectors and release cables.
Very carefully lift up the left side of the locking tab with your fingernail. The locking tab will open up at a 90 degree angle.
The locking tab must remain attached to the connector base.
On the following picture both connectors shown in the unlocked position.
Now you can pull cables.
When the palmrest removed you can access the hard drive and CMOS battery.
Remove four screws securing the hard drive mounting bracket to the laptop base.
Slide the hard drive assembly to the left to disconnect it from the motherboard.
Lift up and remove the hard drive from the laptop.
There are two small plastic tabs securing the keyboard on the top.
Lift up the upper side of the keyboard and move towards the screen.
Turn the keyboard upside down.
Now you can access the main keyboard cable connector (1) and keyboard backlight cable connector (2).
Disconnect both cables as I explained in the step 9.
Remove keyboard from the laptop.
If you need a new keyboard for your Dell XPS 15 L502X laptop, you can find it here.
Remove two screws securing display hinges on the bottom of the laptop.
Disconnect white and black antenna cables from the wireless card.
Pull both wireless card antenna cables though the opening.
Remove four screws securing display hinges.
Disconnect video cable from the motherboard.
Here’s how to disconnect the video cable. Simply pull the connector by the black belt attached to it.
Lift up and remove the display (LCD screen) assembly.
Remove six screws from the bottom of the laptop.
Disconnect the subwoofer cable (left arrow) and cooling fan cable (right arrow).
Remove three more screws located in the DVD drive bay.
Here’s how to unplug the subwoofer and fan cable from the motherboard.
It’s a regular male-female type connector.
Remove all screws securing the top and bottom covers together.
Start separating the top cover assembly from the bottom cover.
In Dell XPS 15 L502X laptop the motherboard is attached to the top cover assembly.
The cooling fan attached to the bottom cover.
Here’s the bottom side of the top cover assembly.
As I mentioned before, the motherboard is attached to the top cover.
Remove one screw securing the DC jack to the laptop cover.
Disconnect DC jack cable from the motherboard.
Here’s how to unplug the DC jack cable connector from the motherboard.
Finally lift up and remove the DC jack cable. It’s ready for the replacement.