Acer Aspire E1-521 Acer Aspire E1-521 Notebook Service Guide - Page 3

Touchpad Failure 4-8 Internal Speaker Failure 4-9 Internal Microphone Failure 4-11 USB Failure 4-12 Wireless Function Failure 4-13 4-in-1 Card Function Failure 4-14 Unit Thermal Failure 4-15 Cosmetic Failure 4-16 Other Functions Failure 4-17 BIOS Problems 4-17 Intermittent Problems 4-18 Undetermined Problems 4-18 Chapter 5. Service and Maintenance Introduction 5-3 Recommended Equipment 5-3 Maintenance Flowchart 5-4 Getting Started 5-6 Battery Pack Removal 5-7 Battery Pack Installation 5-8 SD Card Removal 5-9 SD Card Installation 5-10 Base Door Removal 5-11 Base Door Installation 5-13 ODD Module Removal 5-15 ODD Module Installation 5-18 DIMM Module Removal 5-21 DIMM Module Installation 5-22 HDD Module Removal 5-23 HDD Module Installation 5-24 HDD Carrier Removal 5-25 HDD Carrier Installation 5-25 WLAN Module Removal 5-26 WLAN Module Installation 5-28 Keyboard Removal 5-30 Keyboard Installation 5-32 Upper Case Removal 5-34 Upper Case Installation 5-38 RTC Battery Removal 5-41 RTC Battery Installation 5-42 Mainboard Removal 5-43 Mainboard Installation 5-47 Fan Removal 5-51 Fan Installation 5-53 Thermal Module Removal 5-55 Thermal Module Installation 5-56 CPU Removal 5-58 CPU Installation 5-59 Speaker Removal 5-60 Speaker Installation 5-63 USB Module Removal 5-66 USB Module Installation 5-68 Power Board Removal 5-70 Power Board Installation 5-72 Touchpad FFC Removal 5-74 ii