HP Pavilion 15-ec series disassembly

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HP Pavilion Gaming Laptop 15-ec.

In this guide I explain how to disassemble an HP Pavilion 15-ec series gaming laptop. In this particular case I’m taking apart an HP Pavilion 15-ec-0751ms model.

All disassembly steps should be identical or very similar for the following models:
– 15-ec0013dx, 15-ec0095nr, 15-ec0043ax, 15-ec0035au, 15-ec0001ca, 15-ec0079ax
– 15-ec1010nr, 15-ec1073dx, 15-ec1023ax, 15-ec1512ax, 15-ec1050ax, 15-ec1023ax
– 15-ec2121nr, 15-ec2021nr, 15-ec2097nr, 15-ec2150ax, 15-ec2008ax, 15-ec2004ax, 15-ec2146ax, 15-ec2145ax, 15-ec2075ax, 15-ec2076ax
– and many more models…

For this disassembly I’ll be using these tools: PH0 Phillips screwdriver, case opener tool, tweezers.

Bottom cover removal

Remove four long screws from the top and three short screws from the bottom.

Remove four long screws from the top and three short screws from the bottom.

Insert a case opener tool between the bottom cover and the palmrest assembly. Pry up the bottom cover.

Start separating the bottom cover from the palmrest assembly.

Continue removing the bottom cover with your hands.

Continue removing the bottom cover with your hands.

Battery removal and replacement

Remove four screws holding the battery in place.

Remove four screws holding the battery in place.

Unplug the battery cable from the connector on the motherboard.

Unplug the battery cable from the connector on the motherboard.

Remove the battery.

If you need to replace the battery, you can find a replacement using this model number PG03XL or HP spare part number L48495-005. Use genuine HP battery if possible.

New replacement battery model number PG03XL or HP spare part number L48495-005.

Hard drive removal and replacement

Let’s start the hard drive removal with releasing the SATA cable.

Let's start the hard drive removal with releasing the SATA cable.

Here’s how to disconnect the connector and release the hard drive cable. Lift up the right side of the connector (red arrow) to unlock it. After that lift up and remove the cable (yellow arrow).

Here's how to disconnect the connector and release the cable.

Remove three screws holding the hard drive in place.

Remove three screws holding the hard drive in place.

Remove the hard drive.

Remove the hard drive.

In this particular laptop there was no real hard drive installed, it was just a place holder.

When you install a real drive instead, you’ll have to transfer the SATA cable and mounting brackets to the new drive.

You can use any 2.5″ SATA hard drive here, preferable a solid state drive.

Transfer the SATA cable and mounting brackets to the new drive.

Memory removal and replacement

HP Pavilion 15-ec-0751ms laptop has two memory (RAM) slots but only one memory module installed.

This model can handle up to 32GB RAM (2x16GB modules) total. You should use DDR4-3200 memory modules.

This laptop can run in dual-channel memory mode which is more efficient and faster than single channel. In order to run in in dual-channel you need to install identical size and speed RAM modules in both slots.

HP Pavilion 15-ec-0751ms laptop has two memory (RAM) slots.

SSD removal and replacement

Remove one screw securing the solid state drive (SSD) and the heatsink. Pull the SSD out.

Remove one screw securing the solid state drive (SSD) and the heatsink.

Carefully separate the SSD from the heatsink. It might be necessary to apply some reasonable force is the drive got stuck to the heatsink.

Carefully separate the SSD from the heatsink.

Now you can replace the SSD with a new one if necessary.

This laptop uses M.2 PCIe NVMe Gen3 SSD.

This laptop uses M.2 PCIe NVMe Gen3 SSD.

Cooling fans removal and replacement

Remove five screws holding both cooling fans in place.

Remove five screws holding both cooling fans in place.

Un-route cables from the left and right sides of the fans.

Un-route cables from the left and right sides of the fans.

Disconnect fans cables from the motherboard.

Disconnect fans cables from the motherboard.

Remove the left fan first. After that remove the right fan.

Remove the left fan first. After that remove the right fan.

The left fan and the right fan are identical and interchangeable.

Here’s HP spare part number for the fan: L77560-001.

The left fan and the right fan are identical and interchangeable.

DC jack removal and replacement

The power connector (DC jack) is mounted under the display hinge. Remove three screw securing the hinge.

Remove three screw securing the hinge.

Open the hinge as it shown on the picture.

Open the hinge.

Unplug the DC jack cable from the motherboard.

Unplug the DC jack cable from the motherboard.

Remove and replace the DC jack harness if necessary.

Here’s HP part number for the replacement DC jack harness: L71031-Y14.

Remove and replace the DC jack harness if necessary.

Other internal components removal

The left USB port is located on a separate board which can be easily removed and replaced. This board is secured in place by two screws.

The left USB port is located on a separate board.

The wireless card is replaceable. Simply remove one screws and disconnect two antenna cables. After that you can remove the wireless card.

The wireless card is removable.

The touchpad is secured to the palmrest assembly by six screws.

The touchpad is secured to the palmrest assembly by six screws.

The keyboard in HP Pavilion 15-ec series laptop is permanently riveted to the palmrest assembly.

The keyboard in HP Pavilion 15-ec series laptop is permanently riveted to the palmrest assembly.

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