Acer Aspire One Model Aod250 Service Guide

Chapter 351
Removing the WLAN Module
1.See “Removing the Battery Pack” on page 36.
2.Remove the securing screw as shown. 
NOTE: The antenna cables were removed during the LCD module disassembly. See “Removing the LCD 
Module” on page 42.
3.The module pops up. Remove it from the mainboard as shown. 
StepSizeQuantityScrew Type
WLAN Module M2*3 (NL) 1 

52Chapter 3
Removing the USB/LED/Power/Card Reader Board
1.Remove the upper cover. See “Removing the Upper and Lower Covers” on page 39.
2.Remove the three (3) securing screws as shown. 
3.Lift the board to expose the USB/LED/Power board to mainboard cable.
StepSizeQuantityScrew Type
HDD SKU:
USB/LED/Power 
boardM2*3 (NL) 3
SDD SKU:
USB/LED/Power 
boardM2*3 (NL) 4
HDD SKUSSD SKU 

Chapter 353
4.Disconnect the cable and remove the board.
Removing the SSD Module 
IMPORTANT:The SSD module is only available on the Aspire one SSD SKU.
1.Remove the mainboard. See “Removing the Mainboard” on page 55.
2.Disconnect the FFC from its connector.
3.Disconnect the FFC cable from the module. 
NOTE: To prevent damage to device, avoid pressing down on it or placing heavy objects on top of it.  

54Chapter 3
4.Remove the two securing screws.
5.Remove the SSD module.
StepSizeQuantityScrew Type
SSD Module M2*3 (NL) 2 

Chapter 355
Removing the Mainboard
1.Remove the Upper Cover. See “Removing the Upper and Lower Covers” on page 39.
2.Remove the WLAN module. See “Removing the WLAN Module” on page 51.
3.Remove the USB/LED/Power/Card Reader Board. See “Removing the USB/LED/Power/Card Reader Board” 
on page 52.
4.Disconnect the speaker to mainboard cable. 
5.Remove the single securing screw.
StepSizeQuantityScrew Type
Mainboard M2*3 (NL) 1 

56Chapter 3
6.Grip the mainboard and remove.
NOTE: The SSD image may differ from the following illustration.
Removing the Speaker Module
1.Remove the Upper Cover. See “Removing the Upper and Lower Covers” on page 39.
2.Peel back the two adhesive strips. 

Chapter 357
3.Remove the four (4) securing screws (2 on each side).
4.Remove the Speaker Module from the upper cover.
StepSizeQuantityScrew Type
Speaker Module M2*3 (NL) 4 

58Chapter 3
Removing the Hard Disk Drive Module 
IMPORTANT:The HDD is only available on the Aspire one HDD SKU.
1.Remove the mainboard. See “Removing the Mainboard” on page 55.
2.Remove the two securing screws to release the carrier. 
3.Hold the carrier and slide the HDD away from the mainboard. 
NOTE: To prevent damage to device, avoid pressing down on it or placing heavy objects on top of it. 
StepSizeQuantityScrew Type
HDD Module M2.5*4 (NL) 2 

Chapter 359
4.Remove the four screws (two each side) securing the HDD to the carrier.
5.Turn the HDD on its side and pull the carrier away.
StepSizeQuantityScrew Type
HDD Carrier M3*3.5 (NL) 4 

60Chapter 3
Removing the DIMM Module
IMPORTANT:The Aspire one SSD SKU does not come standard with DIMM modules. The modules are 
optional components for this SKU.
1.Remove the mainboard. See “Removing the Mainboard” on page 55.
2.Push out the release latches on both sides of the DIMM socket to release the DIMM module. 
3.Remove the DIMM module.