Replace WLAN / Bluetooth chipset

Open the latch on the right side that secures the battery in place.

Open the latch on the left side that secures the battery in place.

Now remove the battery.

Using a Philips-head screwdriver remove highlighted screws.

Look at the marking to see how to remove the access cover.

Remove the access cover as shown by the marker.

You now have access to all components of this laptop.

Here is the chipset WLAN / Bluetooth.

Carefully loosen the antenna plugs MAIN and AUX.

Loosen the fixing screw with the Philips screwdriver.

Lift the chipset a little and pull it out to the mSATA connector.

Lift the chipset a little and pull it out to the mSATA connector.