why! Replace the W670SZQ1 keyboard

Open the latch of the accumulator on the left side.

Open the battery latch on the right side.

Remove the accumulator by simultaneously holding the right-hand latch open.

Use the Philips screwdriver to remove the two screws at the bottom of the cover.

Lift the cover at the bottom right with the iFixit Opening Tool

Lift the cover at the bottom left with the iFixit Opening Tool

Finally, remove the cover to gain access to the most important components.

Once the bottom cover is removed you can start disassembling the keyboard.

First, invert the calculator and then loosen the screw as shown in picture 2 of this step.

Then unzip the keyboard screw cover strip.

After the cover strip is removed, you can see the tip of the screwdriver.

Now locate the five fastening screws of the keyboard.

Loosen these five screws.

Lift the keyboard slightly and pull it slightly backwards.

The connection cables are now visible.

Now release the right lock on the plug of the keyboard light cable.

Then the left lock.

Now apply the same procedure to the plug of the main cable (left lock)

Right lock.

You can now remove the keyboard from its slot.