why! N131WU/BU/ZU Upper Case Replacement

Remove the frame screws (red).

Remove the two keyboard screws (green).

Using the hole provided under the case (see picture), push the keyboard out using a thin screwdriver or some other solid object.

Hold onto the keyboard as you push the keyboard so as not to damage the two cables still attached.

(Blue Cable) Push up on the thin black portion on the connector and gently pull out the blue ribbon cable until it comes out.

(Orange Cable) Remove the orange cable by sliding the gray part of the connector towards the screen, then gently pull on the ribbon cable.

Unscrew the three screws that were under the keyboard. Be sure to hold onto these.

After these are removed, you can now remove the lower part of the case from the rest of the computer.

Remove the screw holding in the ssd.

Carefully remove the SSD from the connector.

Gently pull outwards on the clips to free the RAM stick.

Remove the RAM Stick from its slot.

Remove the five Phillips screws securing the battery.

Unplug the power connector and lift the battery out in the direction of the arrows to remove it.

Unplug the white connector: pry up to gradually move the connector

Peel off the adhesive foam holding the battery

To reinstall the replacement battery: use double-sided tape

Lift the retaining latch and unplug the ZIF cable found under the keyboard.

Disconnect the nine marked cables as detailed in the following steps.

Remove the four screws securing the motherboard to the case.

Don't forget to remove these cables.

Once the screws have been removed, carefully lift the motherboard from the end indicated by the arrows.

The motherboard has been successfully removed.

Remove the right speaker.

To remove the left speaker, first peel off the microphone/headset cable, then the adhesive strips.

Remove the left speaker.

Remove the two Phillips screws securing the CPU fan to the case and remove the fan.

Remove the two screws securing the audio connector board.

Gently lift the board as indicated by the red arrow, then remove it in the direction of the orange arrow.

Unscrew the screw circled in red, then remove the power board in the direction indicated by the red arrows.

Unplug the DC input board, remove the single Phillips screw securing it and remove it.

The CMOS battery is secured to the case with adhesive. Simply peel it off to remove it.

Remove the two screws holding the LED board on the chassis and remove it along with the ribbon cable.

Remove the two screws securing the touchpad button plate.

Lift the ZIF connector retaining tab and unplug the button cable on the right.

Grasp the LED board between the two cables.

Following the direction of the red arrow, peel the two cables from the case.

Peel off the pieces of tape holding the cables onto the chassis.

Remove the six Phillips screws securing the hinges, three on each side.

While holding down the display, lift the chassis up to about a 45 degree angle.

The case will slide out once there is sufficient clearance.