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LCD Panel Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-39
LCD Panel Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-40
LCD Bracket Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41
LCD Bracket Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41
LVDS Cable Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-42
LVDS Cable Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43
WLAN Antenna Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44
WLAN Antenna Installation. . . . . . . . . . . . . . . . . . . . . . . . . . 3-44
CHAPTER 4
Troubleshooting
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Power On Issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
No Display Issues. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5
LCD Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Keyboard Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Touchpad Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Internal Speaker Failure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
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
Clear CMOS Jumper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
BIOS Recovery by Crisis Disk. . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Summary of Contents for ASPIRE 4253
Page 1: ...Aspire 4253 4253G SERVICEGUIDE ...
Page 10: ...x ...
Page 11: ...CHAPTER 1 Hardware Specifications ...
Page 14: ...1 4 ...
Page 56: ...1 46 Hardware Specifications and Configurations ...
Page 57: ...CHAPTER 2 System Utilities ...
Page 84: ...2 28 System Utilities ...
Page 85: ...CHAPTER 3 Machine Maintenance Procedures ...
Page 88: ...3 4 ...
Page 110: ...3 26 Machine Maintenance Procedures ID Size Quantity Screw Type C M2 5 3 0 Ni 1 ...
Page 129: ...CHAPTER 4 Troubleshooting ...
Page 151: ...CHAPTER 5 Jumper and Connector Locations ...
Page 158: ...5 8 Jumper and Connector Locations ...
Page 159: ...CHAPTER 6 FRU Field Replaceable Unit List ...
Page 160: ...6 2 Exploded Diagrams 6 4 FRU List 6 7 Screw List 6 20 ...
Page 179: ...CHAPTER 7 Model Definition and Configuration ...
Page 180: ...1 2 Acer 4255 7 1 Aspire 4253G 7 22 ...
Page 212: ...7 32 Model Definition and Configuration ...
Page 213: ...CHAPTER 8 Test Compatible Components ...
Page 214: ...8 2 Microsoft Windows 7 Environment Test 8 4 ...
Page 223: ...CHAPTER 9 Online Support Information ...
Page 224: ...9 2 Introduction 9 3 ...
Page 226: ...9 4 Online Support Information ...