How to replace the Chassis frame on a Precision 3490

This 3D experience gives you the step by step process of replacing the Chassis frame and a Precision 3490. The procedure will also include removing the Base Cover, Battery Cable, Battery, Wireless Module (WLAN), SSD 2230 and reinstalling them.

Removal

Base Cover

Identify the base cover highlighted in blue.

Loosen the captive screws that secure the base cover.

Pry the base cover near the hinges to release it from the system.

Lift the base cover off the palm rest assembly.

Battery Cable

Identify the battery cable highlighted in blue.

Using the pull tab, lift up to disconnect the battery cable from the system board.

Press and hold the power button for 10 seconds to ground the system and remove residual static electricity.

Battery

Identify the battery highlighted in blue.

Loosen the captive screws that secure the battery.

Lift the battery out of the system.

Wireless Module (WLAN)

SSD 2230

Identify the solid state drive (SSD) highlighted in blue.

Remove the screws that secure the SSD bracket on the system board.

Lift the solid state drive thermal shield off the system.

Slide and lift the solid state drive off the system.

Chassis frame

Identify the chassis frame highlighted in blue.

Unroute the antenna cables from the guides on the frame.

Disconnect the speaker cable from the system board.

Unroute the speaker cable from the chassis frame.

Remove the screws that secure the chassis frame to the system.

Lift to remove the chassis frame.

Install

Chassis frame

Identify the chassis frame location highlighted in blue.

Align and place the chassis frame on the system chassis.

Install the screws to secure the chassis frame to the system.

Route the speaker cable along the chassis frame.

Connect the speaker cable to the system board.

Route the antenna cables through guides on the frame.

SSD 2230

Identify the solid state drive (SSD) location highlighted in blue.

Slide the SSD into the slot on the system board.

Align the screw holes on the solid state drive bracket with the screw holes on the system board.

Install the screws to secure the SSD bracket to the system board.

Wireless Module (WLAN)

Battery

Identify the battery location highlighted in blue.

Install the battery into the slot on the system, aligning the screw holes.

Tighten the captive screws to secure the battery.

Battery Cable

Identify the battery cable location highlighted in blue.

Connect the battery cable to the system board.

Base Cover

Identify the base cover location highlighted in blue.

Align the base cover tabs to the slots, press the cover until it clicks into place.

Tighten the captive screws that secure the base cover to the system.