In this guide I will disassemble a HP ENVY m4.
The full model number is: m4-1015dx.
Turn it off, unlock and remove the battery.
Remove one screw securing the hard dive/memory cover.
Push the battery latch all the way to the left (green arrow). The cover will slide down a little bit (yellow arrow).
Now you can separate the cover from the case and remove it.
You’ll have to apply some reasonable force to remove the cover.
Under the cover you will find the hard drive and both RAM modules.
Lift up the hard drive and disconnect the SATA cable.
Between the optical drive and RAM modules there is another cover. Remove it.
Under the cover you will find the wireless card and CMOS battery.
Remove one screw securing the optical drive.
Pull the drive to the left and remove it.
Disconnect both antenna cables from the wireless card.
Remove two screws securing the wireless card and pull it out.
Remove two screws securing the keyboard.
In order to remove the keyboard you’ll have to push on the back with a plastic stick (or something else).
You will find an opening in the case close to the CMOS battery.
When you push on the back of the keyboard, the front will separate a little bit from the top cover.
Insert your fingers under the keyboard and continue removing it from the case.
Separate the keyboard from the top cover and turn upside down on the palm rest.
Now you can access and disconnect two cables.
Here’s how to disconnect the data cable.
Lift up the right side of the connector retainer with your fingernail. It will open up at a 90 degree angle (green arrow).
Pull the cable out of the connector (yellow arrow).
Disconnect the backlight cable the same way.
Lift up the retainer and pull the cable.
Remove the keyboard completely.
Remove screws from the bottom of the laptop.
You will find two screws under rubber feet (green circles).
Here’s how to remove the foot. It’s glued to the case with sticky tape.
Remove seven screws securing the top cover/palm rest assembly.
Disconnect the touchpad cable.
Start separating the top cover from the bottom case.
I’m using a guitar pick for that.
Continue separating the top cover in the palm rest area.
Remove the top cover assembly.
On the bottom side of the cover you can access the finger scanning device and touchpad.
Disconnect the following cables:
1. Display cable.
2. Speaker cable.
3. Optical drive cable.
4. Power connector cable.
Here’s how to unplug the display and optical drive cables. Lift it up by the black belt.
Here’s how to unplug the speaker cable. Do not pull by the wires.
Unplug it by the connector edges.
Here’s how to unplug the power connector (DC jack) cable.
Remove three screws securing the motherboard.
Before you can remove the motherboard from the case, make sure the hard drive SATA cable is disconnected.
Unplug the cable from the motherboard and remove it.
Start removing the motherboard as it shown on the following picture.
The motherboard has been removed from the bottom case.
On the other side you can access the cooling fan assembly (fan and heat sink).
In order to remove the cooling assembly you’ll have to remove five screws and disconnect the cable.
After that you should be able to lift up and separate the assembly from the motherboard.
In HP ENVY m4 laptop the power connector is attached to a cable.
In a case of failure it can be easily replaced.
In order to remove the connector you’ll have to remove two screws securing the shield.