Acer Aspire 5538 Service Guide

131Chapter 3
2.Push the bracket down until it is secured under the tabs along the top edge.
3.Insert the single screw to secure the Touchpad Bracket to the Upper Cover.
StepSizeQuantityScrew Type
TouchPad 
BracketM2*3 1 

Chapter 3132
Replacing the Button Board
1.Insert the Mainboard FFC through the cover as shown.
2.Place the Button Board on the Upper Cover so that the securing tab penetrates the slot on the Button 
Board, then slide the board forward as shown.
3.Adhere the FFCs to the upper cover. 

133Chapter 3
4.Connect the single FFC to the Touchpad and close the securing latch.
5.Replace the four screws to secure the button board to the Upper Cover.
6.Replace the mylar sheet covering the Button Board.
StepSizeQuantityScrew Type
Button Board M2*3 4 

Chapter 3134
Replacing the Upper Cover
1.Place the Upper Cover on the assembly bottom edge first.
2.Starting at the bottom edge, press the edges of the upper cover and lower cover together. An audible click 
signifies that the securing clips are engaged. 

135Chapter 3
3.Insert the six securing screws into the Upper Cover.
4.Turn the computer over and connect the following cables to the Mainboard:
StepSizeQuantityScrew Type
Upper Cover M2.5*6 6 

Chapter 3136
a.Connect the Power Board FFC and close the locking latch as shown.
b.Connect the Speaker Cable as shown.
c.Connect the Button Board FFC and close the locking latch as shown. 

137Chapter 3
d.Connect the Media Board FFC and close the locking latch as shown.
e.Connect the Media Board FFC and close the locking latch as shown. 

Chapter 3138
5.Turn the computer over and insert the screws to secure the Upper Cover to the Lower Cover.
Replacing the Keyboard
1.Connect the FFC and close the Keyboard FFC securing latch as shown.
StepSizeQuantityScrew Type
Upper Cover M2.5*8 18 

139Chapter 3
2.Insert the keyboard so that the bottom tabs enter the slots in the upper cover.
3.Press down on the edges of the keyboard. An audible click indicates that the securing clips have 
engaged. 

Chapter 3140
External Module Reassembly Process
Replacing the WLAN Board
1.Insert the WLAN Board into the Mainboard.
2.Insert the single screw to secure the WLAN Board in place.
StepSizeQuantityScrew Type
WLAN Board M2*3 1