Removing the battery

• Unplug the power cable before removing the battery.
• Slide the 2 sliders on the under side of the laptop to the unlock position, as shown.
• Grasp the battery and pull it straight out - not at an angle.

Removing the Hard Drive

• Unscrew the screw holding the Hard Drive slot in place.
• Pull the hard drive out with the help of pictured ridges. Cautiously maneuver it out - it might help to open the display slightly.

Removing the Optical Drive

• Remove the screw holding the optical drive on the underside of the laptop
• Push the small slider to unlock position, a tab will automatically pop out.
• Pull tab to dislodge the optical drive, then pull the drive out.

Removing Memory Cover/Replacing RAM

• Unscrew the pictured screwed holding the memory cover in place.
• Pry the cover open carefully (flathead screwdriver might help)
• To remove the RAM memory stick, push both metal pieces holding it in place outwards, and the stick will pop up. -picture of RAM inside -
• Pull the stick out carefully. - Picture of the RAM stick -

Removing Rear Cover

• Unscrew the rest of the screws on the underside of the T42.
• Unscrew the 4 screws on either side the rear end of the laptop.

Note: for ease of reassembly, keep track of which screws go where.

Removing Keyboard and Trackpad

• Flip the laptop over and open the display carefully - the keyboard, palm rest and bezel will be loose.
• Maneuver the palm rest away from the keyboard carefully, both the keyboard and palm rest/trackpad will come off together.
• **WARNING** Both the keyboard and trackpad have connectors to the motherboard. Disconnect these before completely removing either component.

From here you can remove multiple components.

Removing Wi-Fi Card

• To remove Wi-Fi card, first disconnect both display wires on the top right.
• Then slide both of the metal pieces holding it down outwards, and it will pop up.
• Carefully pull it out.

Removing Mini-PCI Port

• Unscrew the screw holding the port's bracket down, then remove the bracket.
• Carefully disconnect it from the motherboard.