Acer Aspire E1-421 Acer Aspire E1-421 Notebook Service Guide - Page 9

Introduction 4-3 General Information 4-3 Power On Issues 4-4 No Display Issues 4-5 LCD Picture Failure 4-7 Internal Keyboard Failure 4-8 Touchpad Failure 4-9 Internal Speaker Failure 4-10 Internal Microphone Failure 4-12 USB Failure 4-13 Other Functions Failure 4-14 Intermittent Problems 4-15 Undetermined Problems 4-15 Post Codes 4-16 CHAPTER 5 Jumper and Connector Locations Mainboard Jumper and Connector Locations 5-3 Clearing Password Check and BIOS Recovery 5-5 Clearing Password Check 5-5 BIOS Recovery by Crisis Disk 5-7 CHAPTER 6 FRU (Field Replaceable Unit) List Exploded Diagrams 6-4 FRU List 6-8 Screw List 6-17 CHAPTER 7 Model Definition and Configuration Acer Aspire E1-421 7-3 CHAPTER 8 Test Compatible Components Microsoft® Windows® 7 Environment Test 8-4 ix