Component

Frame, Left

Frame, Left or Right

Heatsink Parts

IR PCA

LVDS PCA

Module Latch, Left

Module Latch, Right

Motherboard

PCMCIA Socket

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).

Keyboard (page 2-8). Display (page 2-10).

Display (page 2-10).

Keyboard (page 2-8). Display (page 2-10).

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 2-16.

Keyboard (page 2-8).

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

1.Remove the screw holding the heat exchange cover to the frame 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 top plate.

5.Remove the screw holding the frame to the motherboard and remove the frame.

1.Remove the screw holding the IR PCA to the frame and move the PCA aside.

2.Remove the two screws holding the frame and remove the frame.

∙Heat exchange cover: Remove the screw from the plastic cover and remove it from the frame.

∙Heatsink cover: Remove the screw from the cover and remove it from the heatpipe.

∙Finned heatsink: Remove the top case (page 2-14). Remove the screw holding the heat exchange cover to the frame and remove the cover. Lift off the fan and move it aside. Remove the screw and heatsink cover, then remove the screws from the CPU top plate and remove the top plate. Remove the screw from the left frame and lift off the frame. Then lift out the finned heatsink.

Remove the screw from the IR PCA, then unplug the cable from the motherboard.

Use a probe to unplug the LVDS PCA from the VGA PCA.

Caution: The LVDS PCA must be compatible with the LCD module. See the compatibility table on page 2-11.

1.Remove the screw holding the heat exchange cover to the frame 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 top plate.

5.Remove the screw holding the frame to the motherboard and remove the frame.

6.Lift off the latch and spring.

Reassembly Notes: See the picture on page 2-19.

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 off the latch and spring.

Reassembly Notes: See the picture on page 2-19.

Remove the four screws from the PCMCIA socket and unplug it from the motherboard.

HP OmniBook 4100

Removal and Replacement 2-25