compaq notebook evo n160 series User Manual

							5–14Maintenance and Service Guide
Removal and Replacement Procedures
3. Lift up the back edge of the keyboard and swing it up and 
forward until it rests on the top cover (Figure 5-11).
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Figure 5-11. Releasing the Keyboard 
						

							Removal and Replacement Procedures
Maintenance and Service Guide5–15
4. Remove the two silver M2 × 5 screws 1 that secure the 
keyboard shield to the base enclosure (Figure 5-12).
5. Remove the keyboard shield 2.
6. Release the ZIF connector 3 to which the keyboard cable is 
connected and disconnect the keyboard cable 4.
Figure 5-12. Removing the Keyboard Shield and 
Disconnecting the Keyboard Cable
7. Remove the keyboard.
Reverse the above procedure to install the keyboard and 
keyboard shield. 
						

							5–16Maintenance and Service Guide
Removal and Replacement Procedures
5.8 Fan Assembly
1. Prepare the computer for disassembly (Section 5.3).
2. Remove the switch cover (Section 5.6).
3. Remove the keyboard and keyboard shield (Section 5.7).
Fan Assembly
Spare Part Number Information
Fan (includes heat sink) 251367-001 
						

							Removal and Replacement Procedures
Maintenance and Service Guide5–17
4. Disconnect the fan cable from the system board 1 
(Figure 5-13).
5. Loosen the four silver M2.5 × 18 shoulder screws 2 that 
secure the fan assembly to the base enclosure.
✎The fan screws are spring-loaded and are captured by the fan 
assembly. Do not detach the fan screws from the fan assembly.
6. Lift up the right side 3 of the fan assembly until it clears the 
top cover shield.
7. Slide the fan assembly to the right at an angle 4 to remove it 
from the base enclosure.
Figure 5-13. Removing the Fan Assembly
Reverse the above procedure to install the fan assembly. 
						

							5–18Maintenance and Service Guide
Removal and Replacement Procedures
5.9 Processor
1. Prepare the computer for disassembly (Section 5.3) and 
remove the following components:
a. Switch cover (Section 5.6)
b. Keyboard and keyboard shield (Section 5.7)
c. Fan assembly (Section 5.8)
Processors
Spare Part Number Information
Intel Pentium III 1.2 GHz
Intel Pentium III 1.133 GHz
Intel Pentium III 1.066 GHz
Intel Pentium III 1.0 GHz
Intel Pentium III 933 MHz
Intel Pentium III 866 MHz
Intel Celeron 933 MHz
Intel Celeron 866 MHz252440-001
251348-001
251347-001
251346-001
251345-001
252439-001
252442-001
252441-001 
						

							Removal and Replacement Procedures
Maintenance and Service Guide5–19
2. Use a flat-blade screwdriver to turn the processor locking 
screw 1 one-half turn counterclockwise (Figure 5-14).
3. Lift the processor straight up 2 to remove it from its socket.
✎When installing the processor, make sure the gold triangle 
symbol3 is located in the lower left corner.
Figure 5-14. Removing the Processor
Reverse the above procedure to install the processor. 
						

							5–20Maintenance and Service Guide
Removal and Replacement Procedures
5.10 Display
1. Prepare the computer for disassembly (Section 5.3).
2. Remove the switch cover (Section 5.6).
3. Close the computer.
4. Turn the computer top side up with the rear panel facing you.
Displays
Spare Part Number Information
14.1-inch, SXGA, CTFT
14.1-inch, XGA, CTFT
13.3-inch, XGA, CTFT260604-001
260603-001
260602-001 
						

							Removal and Replacement Procedures
Maintenance and Service Guide5–21
5. Insert a small straight edge tool (screwdriver or tweezers) into 
the notch 1 in the hinge cover and partially lift the hinge 
cover 2 (Figure 5-15).
6. When the hooks 3 on the inside and outside edges of the 
hinge covers are exposed, press in on the edges of the hinge 
covers to disengage them from the top cover.
7. Remove the hinge covers 4.
✎The hinge covers are included in the Plastics and Hardware Kit 
(spare part number 251365-001).
8. Remove the four silver M2 × 10.5 screws 5 from the 
computer rear panel.
Figure 5-15. Removing the Hinge Covers and Display Screws 
						

							5–22Maintenance and Service Guide
Removal and Replacement Procedures
9. Position the computer so the front faces you.
10. Open the computer as far as it will open.
11. Lift up the back edge of the keyboard and swing it forward 
until it rests on the top cover.
12. Disconnect the display inverter 1 and video cables 2 
(Figure 5-16).
✎When installing the display, route the display video cable through 
the clip 3 in the top cover.
Figure 5-16. Disconnecting the Display Cables 
						

							Removal and Replacement Procedures
Maintenance and Service Guide5–23
13. Remove the black M2 × 12 screw 1 that secures the left 
display hinge (Figure 5-17).
✎Note the orientation and position of the display hinge bracket 2. 
Take special care not to lose this bracket when replacing the 
display.
14. Remove the silver M2 × 10.5 screw 3 that secures the right 
display hinge.
15. Lift the display straight up to remove it 4.
Figure 5-17. Removing the Display
Reverse the above procedure to install the display.