HP 4100 manual Removing Top Case Components, Removing Bottom Case Components

Table 2-9. Removing Top Case Components

Component

Keyboard

Strip Cover

Top Case

Touch-Pad Flex Cable

Touch-Pad Support Assembly

Removal Procedures

See page 2-8.

Display (page 2-10).

See page 2-14.

Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Display (page 2-10).

Top case (page 2-14).

Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Display (page 2-10).

Top case (page 2-14).

Additional Steps

Unsnap the strip cover from the hinge covers.

1.Remove the two screws holding the support assembly to the top case.

2.Peel off the four pads of the flex cable from the support plate.

3.Release the flex cable from the PCA.

Reassembly Notes: Position the four pads using the bumps on the support plate.

Check the feel and operation of all four click buttons.

Caution: Do not press on the round switches on the four pads. Press next to the switches.

Remove the two screws holding the support assembly to the top case.

Reassembly Notes: Check the feel and operation of all four click buttons.

Table 2-10. Removing Bottom Case Components

Component

Air Vent Cover

Audio Jack Cover

Audio Jack PCA

BIOS IC

Bottom Case

Removal Procedures

Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Display (page 2-10).

Top case (page 2-14).

Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Display (page 2-10).

Top case (page 2-14).

Plug-in module (page 2-3). Hard drive (page 2-5). Keyboard (page 2-8). Display (page 2-10).

Top case (page 2-14).

See page 2-19.

See page 2-16.

Additional Steps (See figures on pages 4-2, 4-6)

1.Remove the screw from the plastic heat exchange cover and remove the cover.

2.Lift off the fan and move it aside.

3.Remove the screw from the heatsink cover and remove the cover.

4.Remove the screws from the CPU top plate and remove the plate.

5.Remove the screw holding the left frame to the motherboard and lift off the frame.

6.Lift out the air vent cover.

1.Remove the screw from the IR PCA and move the PCA aside.

2.Remove the two screws from the right frame and remove the frame.

3.Lift the front-right corner of the motherboard slightly and remove the audio jack cover.

1.Remove the screw from the IR PCA and move the PCA aside.

2.Remove the two screws from the right frame and remove the frame.

3.Unplug the DC-DC PCA.

4.Unplug the audio jack PCA.

HP OmniBook 4100 Removal and Replacement 2-23