compaq notebook evo n150 series User Manual

Removal and Replacement Procedures
Maintenance and Service Guide5–15
5.10 TouchPad
1. Prepare the computer for disassembly (Section 5.3) and
remove the following components:
a. Hinge covers (Section 5.5)
b. Keyboard (Section 5.6)
c. Display (Section 5.7)
d. EMI shield (Section 5.8)
e. Top cover (Section 5.9)
2. Turn the top cover bottom side up with the front facing you.
To u c h Pa d
Spare Part Number Information
TouchPad 239046-001
TouchPad Bracket (included in Miscellaneous Hardware Kit) 239052-001 

5–16Maintenance and Service Guide
Removal and Replacement Procedures
3. Remove the two silver M2.5 × 3.0 screws
and the three
black M2.5 × 4.0 screws
that secure the TouchPad bracket
and TouchPad to the top cover (Figure 5-11).
Figure 5-11. Removing the TouchPad Screws 

Removal and Replacement Procedures
Maintenance and Service Guide5–17
4. Release the ZIF connector
to which the TouchPad cable is
attached and disconnect the TouchPad cable
(Figure 5-12).
5. Slide the TouchPad bracket
toward the back of the
top cover.
6. Remove the TouchPad bracket
and TouchPadfrom the
top cover.
Figure 5-12. Removing the TouchPad
Reverse the above procedure to install the TouchPad. 

5–18Maintenance and Service Guide
Removal and Replacement Procedures
5.11 Speakers
1. Prepare the computer for disassembly (Section 5.3) and
remove the following components:
a. Hinge covers (Section 5.5)
b. Keyboard (Section 5.6)
c. Display (Section 5.7)
d. EMI shield (Section 5.8)
e. Top cover (Section 5.9)
2. Turn the top cover bottom side up with the front facing you.
Speakers
Spare Part Number Information
Speakers 239043-001 

Removal and Replacement Procedures
Maintenance and Service Guide5–19
3. Remove the two M2.5 × 4.5 screws
that secure the top
cover shield to the top cover (Figure 5-13).
4. Remove the right speaker cable from the clips
andin the
top cover shield.
Figure 5-13. Routing the Speaker Cables 

5–20Maintenance and Service Guide
Removal and Replacement Procedures
5. Remove the eight silver M2 × 5.5 screws
that secure the
speakers to the top cover (Figure 5-14).
6. Remove the speakers from the top cover
.
Figure 5-14. Removing the Speakers
Reverse the above procedure to install the speakers.

The left and right speakers are not interchangeable. The right
speaker has a longer speaker cable and must be installed in the
right speaker position. 

Removal and Replacement Procedures
Maintenance and Service Guide5–21
5.12 Microphone
The microphone is included in the Cable Kit (spare part number
239041-001).
1. Prepare the computer for disassembly (Section 5.3) and
remove the following components:
a. Hinge covers (Section 5.5)
b. Keyboard (Section 5.6)
c. Display (Section 5.7)
d. EMI shield (Section 5.8)
e. Top cover (Section 5.9)
2. Turn the top cover bottom side up with the front facing you. 

5–22Maintenance and Service Guide
Removal and Replacement Procedures
3. Remove the microphone from the slot
in which it rests in
the top cover (Figure 5-15).
4. Remove the microphone cable from the top cover slot

through which it is routed.
5. Turn the top cover top side up.
6. Remove the microphone cable from the clip
in which it
rests in the top cover shield.
Figure 5-15. Removing the Microphone
Reverse the above procedure to install the microphone. 

Removal and Replacement Procedures
Maintenance and Service Guide5–23
5.13 Display Lid Switch Board
The display lid switch board is included in the Cable Kit (spare
part number 239041-001).
1. Prepare the computer for disassembly (Section 5.3) and
remove the following components:
a. Hinge covers (Section 5.5)
b. Keyboard (Section 5.6)
c. Display (Section 5.7)
d. EMI shield (Section 5.8)
e. Top cover (Section 5.9)
2. Turn the top cover bottom side up with the front facing you.
3. Remove the silver M1 × 4.0...

5–24Maintenance and Service Guide
Removal and Replacement Procedures
5.14 Heat Sink

The heat sink assembly includes the fan. The fan should not be
removed from the heat sink assembly.
1. Prepare the computer for disassembly (Section 5.3) and
remove the following components:
a. Hinge covers (Section 5.5)
b. Keyboard (Section 5.6)
c. Display (Section 5.7)
d. EMI shield (Section 5.8)
e. Top cover (Section 5.9)
Heat Sink
Spare Part Number Information
Heat sink 239038-001