Acer Aspire 5538 Service Guide

111Chapter 3
3.Connect the left and right hinge cover part of the LCD bezel, making sure that the cables pass through the 
holes.
4.Press down on the bottom edge of the bezel until the securing clips snap into place. 

Chapter 311 2
5.Continue pressing down along the edges, working towards the top of the LCD Module.
IMPORTANT:If any of the clips do not readily snap into place, check to make sure that none of the cables have 
been incorrectly routed and are blocking the clip. 

11 3Chapter 3
Main Unit Reassembly Process
Replacing the LCD Module
1.Using both hands, place the LCD Module into the Lower Cover.
2.Replace the three screws on the rear of the Lower Cover to secure the LCD Module to the Lower Cover.
StepSizeQuantityScrew Type
LCD Module
(red)M2.5*6 1
LCD Module
(cyan)M2.5*8 2 

Chapter 311 4
3.Insert the Microphone cable into the securing clips as shown.
4.Insert the Antenna cables into the cable channel on the Lower Cover as shown, pushing the cables 
through the penetration to the bottom of the cover.
5.Replace the adhesive strip to secure the WLAN cables in place. 

11 5Chapter 3
Replacing the CPU
1.Place the CPU into the socket.
IMPORTANT:Be sure to align the socket marker with the indicator on the CPU. The socket is a Zero Insertion 
Force (ZIF) socket. If the CPU does not drop into the socket, check to make sure the socket is 
unlocked and the pins of the CPU ar straight. Never force a CPU into a ZIF socket.
2.Using a flat blade screw driver, rotate the CPU screw 180° clockwise to lock the CPU into the socket.
Replacing the Thermal Module
IMPORTANT: Ensure all...

Chapter 311 6
2.Place the pads as shown.
3.Grasp the Thermal Module by the CPU heat sink and place onto the Mainboard as shown. 

11 7Chapter 3
4.Insert the four screws to secure the Thermal Module to the Mainboard in the following order: 1, 2, 3, 4.
Replacing the Fan
1.Place the fan onto the Mainboard.
StepSizeQuantityScrew Type
Thermal Module M2.5*6 4
1 23
4 

Chapter 311 8
2.Insert the single screw to secure the fan to the Mainboard.
3.Connect the fan cable to the Mainboard.
StepSizeQuantityScrew Type
Fan M2.5*6 1 

11 9Chapter 3
Replacing the Mainboard
1.Connect the DC-In Cable to the mainboard.
2.Reach under the mainboard to plug in the LVDS cable.
3.Insert the Mainboard right side first, aligning the I/O ports with the Lower Cover.  

Chapter 3120
4.Insert the LVDS cable into the cable channel as shown.
5.Insert the DC-In cable into the securing clips as shown.