compaq evo n115 User Manual

							Remova l and Replacement Procedures
Maintenance and Ser vice Guide 5–3
5.2 Disassembly Sequence Chart
Use the chart below to determine the section number to be 
referenced when removing computer components.
Table 5-1
Disassembly Sequence Chart
Section Description # of Screws Removed
5.3 Preparing the computer for disassembly
Battery pack 0
Hard drive 1 to remove hard drive 4 to separate hard drive from hard drive 
bracket
5.4 Computer feet 0
5.5 Memory expansion board 1
5.6 Mini PCI communications board 1
5.7 Optical Drive 2
5.8 LED cover 2
5.9 Keyboard 0
5.10 Display 7
5.11 Heat spreader 7
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							5–4Maintenance and Service Guide
Remo va l and Replacement Procedures
5.3 Preparing the Computer for 
Disassembly
Perform the following steps before disassembling the computer:
1. Turn off the computer.
2. Disconnect the AC adapter and all external devices.
Section Description # of Screws Removed
5.12 Processor 0
5.13 Disk cell RTC battery 0
5.14 Top cover 12
5.15 Diskette drive 1
5.16 Charger board 1
5.17 Left side panel 3 screws 1 standoff
5.18 Right side panel 3
5.19 Speaker assembly 0
5.20 Audio board 2
5.21 Fan 2
5.22 System board 5 screws 3 standoffs
4 screwlocks
Table 5-1
Disassembly Sequence Chart (Continued)
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							Remova l and Replacement Procedures
Maintenance and Ser vice Guide 5–5
3. Remove the battery pack by following these steps:
a. Turn the computer bottom side up with the front facing  forward.
b. Slide and hold the battery release latch 
1
11 1 toward the back 
of the computer (Figure 5-2). The left edge of the battery 
bracket rises up 
2.
Figure 5-2. Releasing the Batter y P ack
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							5–6Maintenance and Service Guide
Remo va l and Replacement Procedures
c. Lift and hold the battery bracket open as far as it will 
open 
1 (Figure 5-3).
d. Grasp the edges of the battery pack and slide it to the left  to remove it 
2.
Figure 5-3. Remo ving the Battery P ack
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							Remova l and Replacement Procedures
Maintenance and Ser vice Guide 5–7
e. Press in on the tabs on the battery bracket retention 
arms
1 and swing the battery bracket up and to the 
right
2 (Figure 5-4).
f. Lift the battery bracket straight up to remove it 
3.
Figure 5-4. Remo ving the Battery Brac ket
✎The battery bracket is included in the Plastics and Hardware Kit 
(spare part number 254121-001).
Reverse the above procedures to install the battery pack and 
battery bracket.
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							5–8Maintenance and Service Guide
Remo va l and Replacement Procedures
4. Remove the hard drive by following these steps:
a. Remove the battery pack (Section 5.3).
b. Remove the black PM2.0 × 7.0 hard drive retention  screw
1 (Figure 5-5).
c. Slide the hard drive to the right to unseat the hard drive  connector 
2.
Figure 5-5. Releasing the Har d Drive
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							Remova l and Replacement Procedures
Maintenance and Ser vice Guide 5–9
d. Swing the right side of the hard drive up and to the left 
until it is resting at an angle (Figure 5-6).
e. Lift the hard drive straight up and remove it 
2.
Figure 5-6. Remo ving the Hard Drive
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							5–10Maintenance and Service Guide
Remo va l and Replacement Procedures
5. If the hard drive must be removed from the hard drive bezel, 
perform the following steps:
a. Remove the four silver PM2.5 × 3.5 screws 
1 that secure 
the hard drive to the hard drive bezel (Figure 5-7).
b. Slide the hard drive forward 
2 and remove it from the 
hard drive bezel.
Figure 5-7. Remo ving the Hard Drive fr om the Har d 
Drive Bez el
✎The hard drive bezel is included in the Plastics and Hardware Kit 
(spare part number 254121-001).
Reverse the above procedure to install the hard drive.
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							Remova l and Replacement Procedures
Maintenance and Ser vice Guide 5–11
5.4 Computer Feet
The computer feet are adhesive-backed rubber pads. The 
computer feet are included in the Plastics and Hardware Kit 
(spare part number 254121-001). The computer feet attach to the 
battery bracket and hard drive bezel as illustrated in Figure 5-8.
Figure 5-8. Replacing the Computer Feet
5.5 Memory Expansion Board
Memory Expansion Boards
Spare Part Number Information
Memory expansion boards
256 MB
128 MB 244399-001
239190-001
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							5–12Maintenance and Service Guide
Remo va l and Replacement Procedures
1. Prepare the computer for disassembly (Section 5.3).
2. Turn the computer bottom side up with the front 
facing forward.
3. Remove the black PM2.0 × 5.0 screw 
1 that secures the 
memory expansion compartment cover to the base enclosure 
(Figure 5-9).
4. Swing the left side of the cover up and to the right until it  rests at an angle 
2.
5. Lift the cover straight up and remove it 
3.
Figure 5-9. Remo ving the Memory Expansion 
Compar tmentCover
✎The memory expansion compartment cover is included in the 
Plastics and Hardware Kit (spare part number 254121-001).
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