When disconnecting cables, keep them evenly aligned to avoid bending the connector pins. When connecting
cables, ensure that the ports and the connectors are correctly oriented and aligned.
CAUTION: Press and eject any installed card from the media-card reader.
CAUTION: Exercise caution when handling Lithium-ion batteries in laptops. Swollen batteries should not be used
and should be replaced and disposed properly.
NOTE: The color of your computer and certain components may appear differently than shown in this document.
Recommended tools
The procedures in this document may require the following tools:
ā Phillips screwdriver #1
ā Plastic scribe
Screw list
The following table provides the list of screws that are used for securing different components to the palm-rest assembly.
Table 1. Screw list
Component Secured to Screw type Quantity Screw image
Optical-drive assembly Base cover M2x5 1
Optical-drive bracket Optical drive M2x3 1
Base cover Palm-rest assembly M2.5x8 8
Base cover Palm-rest assembly M2x5 2
Base cover Palm-rest assembly M2x2 3
Base cover Palm-rest assembly M2x5 5
Hard-drive assembly Palm-rest assembly M2x3 4
Hard-drive bracket Hard drive M3x3 4
Wireless-card bracket System board M2x3 1
Display hinge Palm-rest assembly M2.5x8 3
Power-button board Palm-rest assembly M2x2 1
I/O board Palm-rest assembly M2x3 1
Before working inside your computer 9