Gateway E 4100 Service Manual

Chapter 351
 Main Unit Disassembly Process
Main Unit Disassembly Flowchart
Screw List
StepScrewQuantityPart No.
Upper Cover M2*10 6 86.WHA02.004
Lower Cover M2*6 8 86.WHA02.003
HDD Bay M2*3 2 86.WHA02.001
M2*6 1 86.WHA02.003
Button Board M2*3 2 86.WHA02.001
LED Board M2*3 1 86.WHA02.001
Card Reader Board M2*3 2 86.WHA02.001
Bluetooth Board M2*3 1 86.WHA02.001
Mainboard M2*3 2 86.WHA02.001
Thermal Module M2*3 4 86.WHA02.001
I/O Board M2*3 2 86.WHA02.001
Wi-Fi Switch Board M2*3 1 86.WHA02.001
Speakers M2*3...

52Chapter 3
Removing the Keyboard
1.Push down on the four (4) latches holding the keyboard in place. The latches are behind and between keys 
esc/F1, F5/F6, F10/F11 and Ins/Del.
2.Release each latch one at a time from. 
3.Gently pry up the keyboard from the back. 

Chapter 353
4.Turn the keyboard over but do not pull it away from the computer.
5.Unlock the FPC.
6.Remove the FPC and the keyboard. 

54Chapter 3
Removing the Upper Cover
1.See “Removing the Keyboard” on page 52.
2.Remove the adhesive tape from the button board FFC. Remove the button board FFC.
3.Pull out and remove the function board FFC. Then pull out and remove the I/O board FFC. 

Chapter 355
4.Turn the computer over and remove the nine (9) screws in the bottom cover.
5.Remove three (3) screws from the HD bay.
StepSizeQuantityScrew Type
Lower Cover M2*6 9
StepSizeQuantityScrew Type
HDD bay M2*3 2
M2*6 1 

56Chapter 3
6.Turn the computer over again. Remove six (6) screws from the keyboard bay.
7.Begin removing the upper cover by prying the cover up at the left hinge as shown below.
StepSizeQuantityScrew Type
Keyboard Bay M2*10 6 

Chapter 357
8.Continue to pry the covers apart, moving away from the left hinge.
9.Pry up the cover around the right hinge.
 
10. Pull the upper cover up off the bottom cover. 

58Chapter 3
11 .Remove the upper cover.
Removing the LED Board
1.See “Removing the Upper Cover” on page 54.
2.Pull up on LED board FFC to disengage the adhesive and lift the FFC from the upper cover
3.Unlock and remove the LED FFC from the LED Board. 

Chapter 359
4.Remove the one (1) screw.
5.Lift the LED Board away from the chassis.
StepSizeQuantityScrew Type
LED Board M2*3 1 

60Chapter 3
Removing the Card Reader Board
1.See “Removing the Upper Cover” on page 54.
2.Detach the adhesive plastic covering the Card Reader and ODD Eject FFCs from the upper cover
3.Remove one (1) screw from ODD Eject board and two (2) screws from the Card Reader Board
StepSizeQuantityScrew Type
ODD Eject Board M2*3 1
Card Reader 
BoardM2*3 2