For access, remove these FRUs in order:

• Battery pack FRU.
• Hard disk drive (HDD) cover, HDD and HDD rubber rails or solid state drive (SSD) and storage converter FRU.
• Palm rest or palm rest with fingerprint reader FRU.

Please perform the following step as shown in the picture below.

Lift the keyboard a little in the direction shown by arrow [2], and then detach the connector [3].

When installing: Make sure that the keyboard edges [a] are under the frame as shown in this figure.