dell latitude d400 User Manual
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![Page 46
Bluetooth™:
2captive screw
3 battery bay
3. Remove the existing module: a. Pull the Bluetooth module out of the slot.
b. Disconnect the cable from the module.
1 Bluetooth connector
2 Bluetooth module (front) 2U381
4. Ensure that the front of the Bluetooth module (silver) is facing outwa\
rd, and connect the cable to the module.
5. Insert the module into the slot.
6. Replace the cover and tighten the captive screw.
file:///F|/Service%20Manuals/Dell/Latitude/d400/blue.htm (2 of 3)...](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-45.png "Page 46
Bluetooth™:
2captive screw
3 battery bay
3. Remove the existing module: a. Pull the Bluetooth module out of the slot.
b. Disconnect the cable from the module.
1 Bluetooth connector
2 Bluetooth module (front) 2U381
4. Ensure that the front of the Bluetooth module (silver) is facing outwa\
rd, and connect the cable to the module.
5. Insert the module into the slot.
6. Replace the cover and tighten the captive screw.
file:///F|/Service%20Manuals/Dell/Latitude/d400/blue.htm (2 of 3)...")
![Page 47
Bluetooth™:
Back to Contents Page
file:///F|/Service%20Manuals/Dell/Latitude/d400/blue.htm (3 of 3) [2/2\
8/2004 8:06:15 AM]](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-46.png "Page 47
Bluetooth™:
Back to Contents Page
file:///F|/Service%20Manuals/Dell/Latitude/d400/blue.htm (3 of 3) [2/2\
8/2004 8:06:15 AM]")
![Page 48
Display:
Back to Contents Page
Display
Removing the Display Assembly
Replacing the Display Latch
Removing the Display Assembly
CAUTION: Before performing the following procedures, read the safety
instructions in your System Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (\
such as
the back panel) on the computer.
1. Follow the instructions in
Preparing to Work Inside the...](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-47.png "Page 48
Display:
Back to Contents Page
Display
Removing the Display Assembly
Replacing the Display Latch
Removing the Display Assembly
CAUTION: Before performing the following procedures, read the safety
instructions in your System Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (\
such as
the back panel) on the computer.
1. Follow the instructions in
Preparing to Work Inside the...")
![Page 49
Display:
1 display-feed flex cable
2 M2.5 x 6-mm screws (6) 4911U
3 display-feed flex cable hold-down board
4 pull-tab
6. Remove the two M2.5 x 6-mm screws from the display-feed flex cable hold-\
down board.
7. Use the pull-tab to disconnect the display-feed flex cable from its conn\
ector on the system board.
8. Move the display assembly to an upright position and pull it up out of t\
he computer.
Replacing the Display Latch
file:///F|/Service%20Manuals/Dell/Latitude/d400/display.htm...](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-48.png "Page 49
Display:
1 display-feed flex cable
2 M2.5 x 6-mm screws (6) 4911U
3 display-feed flex cable hold-down board
4 pull-tab
6. Remove the two M2.5 x 6-mm screws from the display-feed flex cable hold-\
down board.
7. Use the pull-tab to disconnect the display-feed flex cable from its conn\
ector on the system board.
8. Move the display assembly to an upright position and pull it up out of t\
he computer.
Replacing the Display Latch
file:///F|/Service%20Manuals/Dell/Latitude/d400/display.htm...")
![Page 50
Display:
CAUTION: Before performing the following procedures, read the safety
instructions in your System Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (\
such as
the back panel) on the computer.
To replace the display latch, you must remove the whole bezel. 1. Follow the instructions in
Preparing to Work Inside the Computer.
2. Remove the
hard drive.
3. Remove the...](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-49.png "Page 50
Display:
CAUTION: Before performing the following procedures, read the safety
instructions in your System Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (\
such as
the back panel) on the computer.
To replace the display latch, you must remove the whole bezel. 1. Follow the instructions in
Preparing to Work Inside the Computer.
2. Remove the
hard drive.
3. Remove the...")
![Page 51
Display:
2bezel
3 rubber screw covers 2U940
4 M2.5 x 4-mm screws 7116P
5. Use your fingers to carefully pry around the perimeter of the bezel unti\
l the bezel separates from the display assembly.
6. Remove the two display latch screws, and remove the display latch.
1 M2 x 1.8-mm screws (2) 5H953
2 display latch
NOTICE: When you replace the bezel, ensure that the display cable is routed
correctly.
Back to Contents Page
file:///F|/Service%20Manuals/Dell/Latitude/d400/display.htm (4 of 4)...](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-50.png "Page 51
Display:
2bezel
3 rubber screw covers 2U940
4 M2.5 x 4-mm screws 7116P
5. Use your fingers to carefully pry around the perimeter of the bezel unti\
l the bezel separates from the display assembly.
6. Remove the two display latch screws, and remove the display latch.
1 M2 x 1.8-mm screws (2) 5H953
2 display latch
NOTICE: When you replace the bezel, ensure that the display cable is routed
correctly.
Back to Contents Page
file:///F|/Service%20Manuals/Dell/Latitude/d400/display.htm (4 of 4)...")
![Page 52
Palm Rest:
Back to Contents Page
Palm Rest
CAUTION: Before performing the following procedures, read the safety
instructions in your System Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (\
such as
the back panel) on the computer.
1. Follow the instructions in
Preparing to Work Inside the Computer to remove
the battery and prepare the computer for work.
2. Remove the
hard...](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-51.png "Page 52
Palm Rest:
Back to Contents Page
Palm Rest
CAUTION: Before performing the following procedures, read the safety
instructions in your System Information Guide.
NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist
grounding strap or by periodically touching an unpainted metal surface (\
such as
the back panel) on the computer.
1. Follow the instructions in
Preparing to Work Inside the Computer to remove
the battery and prepare the computer for work.
2. Remove the
hard...")
![Page 53
Palm Rest:
1 M2 x 1.8-mm screws (2) 5H953
2 M 2.5 x 6-mm screws (9) 4911U
6. Remove the two M2 x 1.8-mm screws located inside the battery bay.
7. Turn the computer over and remove the four M2.5 x 6-mm screws.
file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (2 of 5) \
[2/28/2004 8:06:17 AM]](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-52.png "Page 53
Palm Rest:
1 M2 x 1.8-mm screws (2) 5H953
2 M 2.5 x 6-mm screws (9) 4911U
6. Remove the two M2 x 1.8-mm screws located inside the battery bay.
7. Turn the computer over and remove the four M2.5 x 6-mm screws.
file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (2 of 5) \
[2/28/2004 8:06:17 AM]")
![Page 54
Palm Rest:
1 M2.5 x 6-mm screws (4) 4911U
8. Disconnect the speaker connector, and remove the speaker cable.
file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (3 of 5) \
[2/28/2004 8:06:17 AM]](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-53.png "Page 54
Palm Rest:
1 M2.5 x 6-mm screws (4) 4911U
8. Disconnect the speaker connector, and remove the speaker cable.
file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (3 of 5) \
[2/28/2004 8:06:17 AM]")
![Page 55
Palm Rest:
1 ZIF connector
2 speaker connector
9. Pull up on the palm rest connector tab, and disconnect the ZIF connector\
from the system board.
10. Disengage the four battery bay tabs.
file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (4 of 5) \
[2/28/2004 8:06:17 AM]](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-54.png "Page 55
Palm Rest:
1 ZIF connector
2 speaker connector
9. Pull up on the palm rest connector tab, and disconnect the ZIF connector\
from the system board.
10. Disengage the four battery bay tabs.
file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (4 of 5) \
[2/28/2004 8:06:17 AM]")
![Page 56
Palm Rest:
11. Lift the palm rest away.
Back to Contents Page
file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (5 of 5) \
[2/28/2004 8:06:17 AM]](http://img.usermanuals.tech/thumb/19/48092/w64_dell-latitude-d400-service-manual-55.png "Page 56
Palm Rest:
11. Lift the palm rest away.
Back to Contents Page
file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (5 of 5) \
[2/28/2004 8:06:17 AM]")
Display: 2bezel 3 rubber screw covers 2U940 4 M2.5 x 4-mm screws 7116P 5. Use your fingers to carefully pry around the perimeter of the bezel unti\ l the bezel separates from the display assembly. 6. Remove the two display latch screws, and remove the display latch. 1 M2 x 1.8-mm screws (2) 5H953 2 display latch NOTICE: When you replace the bezel, ensure that the display cable is routed correctly. Back to Contents Page file:///F|/Service%20Manuals/Dell/Latitude/d400/display.htm (4 of 4) [\ 2/28/2004 8:06:16 AM]
Palm Rest: Back to Contents Page Palm Rest CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (\ such as the back panel) on the computer. 1. Follow the instructions in Preparing to Work Inside the Computer to remove the battery and prepare the computer for work. 2. Remove the hard drive. 3. Remove the keyboard. NOTICE: You must remove the display assembly before you remove the palm rest; the display hinges pass through the back of the palm rest. 4. Remove the display. 5. Turn the computer over and remove the nine M2.5 x 6-mm screws. file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (1 of 5) \ [2/28/2004 8:06:17 AM]
Palm Rest: 1 M2 x 1.8-mm screws (2) 5H953 2 M 2.5 x 6-mm screws (9) 4911U 6. Remove the two M2 x 1.8-mm screws located inside the battery bay. 7. Turn the computer over and remove the four M2.5 x 6-mm screws. file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (2 of 5) \ [2/28/2004 8:06:17 AM]
Palm Rest: 1 M2.5 x 6-mm screws (4) 4911U 8. Disconnect the speaker connector, and remove the speaker cable. file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (3 of 5) \ [2/28/2004 8:06:17 AM]
Palm Rest: 1 ZIF connector 2 speaker connector 9. Pull up on the palm rest connector tab, and disconnect the ZIF connector\ from the system board. 10. Disengage the four battery bay tabs. file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (4 of 5) \ [2/28/2004 8:06:17 AM]
Palm Rest: 11. Lift the palm rest away. Back to Contents Page file:///F|/Service%20Manuals/Dell/Latitude/d400/palmrest.htm (5 of 5) \ [2/28/2004 8:06:17 AM]
Cooling Fan: Back to Contents Page Cooling Fan CAUTION: Before performing the following procedures, read the safety instructions in your System Information Guide. NOTICE: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (\ such as the back panel) on the computer. 1. Follow the instructions in Preparing to Work Inside the Computer to remove the battery and prepare the computer for work. 2. Remove any installed memory modules, smart card, modem, or PC Card. 3. Remove the hard drive. 4. Remove the keyboard. 5. Remove the display. 6. Remove the palm rest. 7. Remove the fan cable from the fan extender cable that runs under the sys\ tem board. file:///F|/Service%20Manuals/Dell/Latitude/d400/fan.htm (1 of 2) [2/28\ /2004 8:06:17 AM]
Cooling Fan: 1 fan cable 2 M2 x 5-mm screws (3) 1428U 8. Remove the three M2 x 5-mm screws that secure the cooling fan. 9. Lift out the cooling fan. Back to Contents Page file:///F|/Service%20Manuals/Dell/Latitude/d400/fan.htm (2 of 2) [2/28\ /2004 8:06:17 AM]