dell latitude ls portable computers User Manual

support.dell.com Dell Latitude LS Portable Computers Service Manual 13
3. Separate the bezel from the display-assembly top cover.
The bezel is secured by slot openings that snap into the display-assembly 
top cover. Carefully lift the inside edge of the bezel, working your way 
around the inside perimeter, to unsnap and remove the bezel from the 
display assembly.
Display Assembly Latch
Figure 10.  Display Assembly Latch Removal
NOTICE: To avoid damaging the system board, you must remove the 
main...

14 Dell Latitude LS Portable Computers Service Manual
LCD Panel   
Figure 11.  LCD Panel Removal
NOTICE: To avoid damaging the system board, you must remove the 
main battery before you service the computer.
1. Ground yourself by touching the unpainted metal surface of the I/O panel 
on the back of the computer.
2. Remove the keyboard bezel.
3. Remove the display assembly.
4. Remove the display assembly bezel.
5. Remove the four M2 x 3.5-mm screws on the left and right sides of         
the display...

support.dell.com Dell Latitude LS Portable Computers Service Manual 15
8. Disconnect the narrow flex cable from the ZIF connector on the left side of 
the inverter.
9. Disconnect the two-wire back-light plug from the connector on the right 
side of the inverter (see Figure 11).
10. Remove the inverter. 
11. Lift the LCD panel from the bottom edge, giving enough room to fit your 
hand between the LCD panel and the top cover.
12. Carefully peel the LCD flex cable away from the top cover.
13. Lift the LCD...

16 Dell Latitude LS Portable Computers Service Manual
6. With bezel side of the inverter facing down, connect the two-wire 
back-light plug to the connector on the right side of the inverter.
When the plug is all the way in the connector, the key slot in the center of 
the plug should not be visible. If you can see the key slot, the plug is not in 
the connector correctly. Pull the plug out, turn the plug over, and reinsert it 
into the connector. 
7. Roll the inverter over (away from you), so the bezel...

support.dell.com Dell Latitude LS Portable Computers Service Manual 17
Keyboard Assembly
 
Figure 12.  Keyboard Assembly Removal
To remove the keyboard assembly, perform the following steps.
NOTICE: To avoid damaging the system board, you must remove    
the main battery before you service the computer.
NOTICE: Make sure that the work surface is clean to prevent          
scratching the computer cover.
1. Remove the keyboard bezel.
2. Remove the four M2 x 4-mm screws located across the top of the...

18 Dell Latitude LS Portable Computers Service Manual
NOTICE: The keycaps on the keyboard are fragile, easily dislodged, 
and time-consuming to replace. Be careful when removing and 
handling the keyboard.
6. Remove the keyboard assembly.
To replace the keyboard assembly, perform the following steps.
NOTICE: Position the keyboard cable so it is not twisted when it is 
connected to the system board.
1. Connect the keyboard cable to the connector on the system board.
NOTE: Five metal tabs retain the bottom...

support.dell.com Dell Latitude LS Portable Computers Service Manual 19
Memory Module
Figure 13.  Memory Module Removal 
NOTICE: To avoid damaging the system board, you must remove the 
main battery before you service the computer.
1. Remove the keyboard bezel. 
2. Remove the keyboard assembly.
3. Ground yourself by touching the unpainted metal surface of an I/O 
connector on the computer’s back panel.
4. To release the memory module from its socket, carefully spread apart          
the inner tabs of the...

20 Dell Latitude LS Portable Computers Service Manual
If you do not hear a click as each end of the memory module snaps into the 
tabs, remove the memory module and reinstall it.
Palmrest Assembly 
Figure 14.  Removing the Palmrest Assembly Bottom Screws
The palmrest assembly consists of the palmrest, status lights, and touch pad 
assembly.
NOTICE: To avoid damaging the system board, you must remove the 
main battery before you service the computer.
1. Remove the keyboard bezel.
2. Remove the display...

support.dell.com Dell Latitude LS Portable Computers Service Manual 21
 
Figure 15.  Removing the Palmrest Assembly Top Screws
8. Remove the three silver M2 x 6-mm screws in the keyboard-assembly  
area that secure the middle of the palmrest assembly to the bottom case 
(see Figure 15).
9. Disconnect the status lights flex cable from the ZIF connector on the 
system board.
10. Disconnect the touch pad flex cable from the ZIF connector on the system 
board. 
11. Carefully remove the palmrest assembly from...

22 Dell Latitude LS Portable Computers Service Manual
3. Reinstall the four black M2 x 4-mm screws that secure the top of the 
palmrest assembly to the bottom-case assembly (see Figure 15).
4. Connect the touch pad flex cable to the ZIF connector on the system 
board.
5. Connect the status lights flex cable to the ZIF connector on the system 
board.
6. Turn the computer upside down.
7. Reinstall the six M2.6 x 1.6-mm screws in the battery bay that secure      
the bottom of the palmrest assembly to the...