Dell Inspiron 3000 Service Manual

Removing and Replacing Parts 4-55
Latch Assembly
Figure 4-38.  Latch Assembly Removal 
To remove the latch assembly, follow these steps:
1. Remove the latch assembly from the base assembly.
Use the fingers of one hand and lift the assembly from its recess in the base 
assembly. The latch assembly is held in place only by pressure.  
2. Remove the spring from the latch.
Be careful not to lose the small spring that is part of the latch assembly.
latch
spring 

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Kensington Lock Plate
Figure 4-39.  Kensington Lock Plate Removal   
Use a screwdriver to lift the Kensington lock plate from its recess in the base 
assembly. The plate is held in place only by pressure.  
Kensingtonlock plate
base assembly 

Removing and Replacing Parts 4-57
12.1-Inch LCD Components
The 12.1-inch LCD assembly consists of the following components:
•Front bezel
•LCD panel
•Inverter board and cable
•Hinges
•Bracket
•Back cover
•LCD flex cable
The following subsections provide removal and replacement procedures for 
these components and assumes that the 12.1-inch LCD assembly has been 
removed from the computer. See “LCD Assembly” found earlier in this chapter.
12.1-Inch LCD Front Bezel
Figure 4-40.  12.1-Inch LCD Front Bezel...

4-58 Dell Inspiron 3000 Series Service Manual
3. Remove front bezel screws F1, F2, F3, and F4.
4. Separate the front bezel from the back cover.
With the bottom of the LCD assembly facing you (cables end), insert your 
fingertips between the LCD panel and the front bezel. Start in the center of 
the bezel and work out to the corners. With a peel-back-and-push motion, 
separate the front bezel from the hidden tabs on the back cover. Do not put 
pressure on the LCD panel with your knuckles; microscopic...

Removing and Replacing Parts 4-59
12.1-Inch LCD Panel
.
Figure 4-41.  12.1-Inch LCD Panel Removal
To remove the 12.1-inch LCD panel, follow these steps:
1. Remove the front bezel.
See the 
previous subsection, “12.1-Inch LCD Front Bezel.”
2. Remove LCD 
panel screws LC1, LC2, LC3, and LC4.
3. Remove the LCD Panel.
NOTE: Be careful when removing any part of the LCD flex cable.
Lift u
p the LCD panel, and disconnect the LCD-to-inverter cable from con-
nector CN1 at the to
p of the inverter board....

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12.1-Inch LCD Inverter Board
.
Figure 4-42.  12.1-Inch Inverter Board Removal
To remove the 12.1-inch inverter board, follow these steps:
1. Remove the front bezel.
See “12.1-Inch LCD Front Bezel” found earlier in this section.
2. Remove the LCD 
panel.
See the 
previous subsection, “12.1-Inch LCD Panel.” You may not want to 
remove this 
panel if you are replacing only the inverter board.
3. Disconnect the inverter cable from connector CN2 at the bottom of...

Removing and Replacing Parts 4-61
12.1-Inch LCD Hinges
Figure 4-43.  12.1-Inch LCD Hinges Removal 
To remove the 12.1-inch LCD hinges, follow these steps:
1. Remove the front bezel.
See “12.1-Inch LCD Front Bezel” found earlier in this section.
2. Place the back cover down on a work surface.
3. Remove the hinge screws H6, H7, H9, and H10.
You may need to loosen screws H5 and H8 to free the hinges. 
4. Remove the hinges from the back cover. 
The bracket does not have to be taken off to remove the hinges....

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12.1-Inch LCD Bracket
Figure 4-44.  12.1-Inch LCD Bracket Removal
To remove the 12.1-inch LCD bracket, follow these steps:
1. Remove the front bezel.
See “12.1-Inch LCD Front Bezel” found earlier in this section.
2. Remove the LCD panel.
See “12.1-Inch LCD Panel” found earlier in this section. 
3. Remove the hinges.
See the previous subsection, “12.1-Inch LCD Hinges.”
4. Remove bracket screws H5 and H8.
5. Remove the bracket from the back cover.
With your...

Removing and Replacing Parts 4-63
13.3-Inch LCD Components
The 13.3-inch LCD assembly consists of the following components:
•Front bezel
•LCD panel
•Inverter board and cable
•Hinges
•Bracket
•Back cover
•LCD wiring harness
The following procedures provide removal and replacement procedures for 
these components, and assume that the 13.3-inch LCD assembly has been 
removed from the computer. See “LCD Assembly” found earlier in this chapter.
13.3-Inch LCD Front Bezel
Figure 4-45.  13.3-Inch LCD Front Bezel...

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4. Separate the front bezel from the back cover.
With the bottom of the LCD assembly facing you (cables end), insert your 
fingertips between the LCD panel and the front bezel. Start in the center of 
the bezel and work out to the corners. With a peel-back-and-push motion, 
separate the front bezel from the hidden tabs on the back cover. Do not put 
pressure on the LCD panel with your knuckles; microscopic fractures in the 
panel could result. Separate the...