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Acer 4235, 4535G - page 164

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Chapter 4 155

Wireless Function Failure

If the WLAN fails, perform the following actions one at a time to correct the problem. Do not replace non-

defective FRUs:

Contents

Main Page Copyright Disclaimer Conventions Preface Page System Specifications 1 System Utilities 23 Machine Disassembly and Replacement 41 Troubleshooting 139 Jumper and Connector Locations 167 FRU (Field Replaceable Unit) List 173 Model Definition and Configuration 186 Test Compatible Components 211 Online Support Information 241 Index 243 System Specifications Chapter 1 Features Operating System Platform Communication Dimensions and Weight Privacy control Power subsystem Special keys and controls Environment 4Chapter 1 System Block Diagram Pu m a ENE KB9 2 6 AMD S1G2 Processor ATI RS780MN Your Acer Notebook tour Front View Closed Front View Left View Right View Rear View Bottom View Easy-Launch Buttons Touchpad Basics (with fingerprint reader) Using the Keyboard Lock Keys and embedded numeric keypad Windows Keys Special Key The Euro symbol The US dollar sign Using the System Utilities Acer GridVista (dual-display compatible) Hardware Specifications and Configurations Page Page Page Page Page Page Page System Utilities Chapter 2 BIOS Setup Utility Navigating the BIOS Utility Information Main Security Page Changing a Password Boot Exit BIOS Flash Utilities DOS Flash Utility Page Page Page Remove HDD/BIOS Password Utilities Page Miscellaneous Utilities Using Boot Sequence Selector Using DMITools Example 1: Read DMI Information from Memory Using the LAN MAC EEPROM Utility Page Machine Disassembly and Replacement Chapter 3 Disassembly Requirements General Information Pre-disassembly Instructions Disassembly Process External Module Disassembly Process External Modules Disassembly Flowchart Page Page Removing the Lower Covers Page Page Page Page Page Page Page Page Main Unit Disassembly Process Main Unit Disassembly Flowchart Page Removing the Switch Cover Page Page Page Page Page Page Page Page Page Removing the Upper Cover Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Removing the Thermal Module Page Page LCD Module Disassembly Process LCD Module Disassembly Flowchart Page Page Page Removing the LCD Panel Page Removing the LCD Brackets and FPC Cable Page Page LCD Module Reassembly Procedure Page Page Replacing the LCD Panel Page Page Page Page Replacing the Thermal Module Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Troubleshooting Chapter 4 Common Problems Power On Issue Computer Shuts down Intermittently No Display Issue No POST or Video Abnormal Video Display Random Loss of BIOS Settings LCD Failure ok Built-In Keyboard Failure Page Page Sound Problems Internal Microphone Failure Microphone Problems HDD Not Operating Correctly ODD Failure ODD Not Operating Correctly Discs Do Not Play Discs Do Not Burn Properly Playback is Choppy Drive Not Detected Drive Read Failure Page Page Page Easy Button Failure Fingerprint Reader Failure Thermal Unit Failure External Mouse Failure Page Other Failures Intermittent Problems Undetermined Problems POST Codes Tables Page Page Page Jumper and Connector Locations Bottom View LS-4921P Function Board Page Clearing Password Check Hardware Open Gap Description Steps for Clearing BIOS Password Check BIOS Recovery by Crisis Disk BIOS Recovery Boot Block: BIOS Recovery Hotkey: Steps for BIOS Recovery by Crisis Disk: FRU (Field Replaceable Unit) List Chapter 6 Aspire 4535/4535G/4235 Exploded Diagrams Main Module Page Aspire 4535/4535G/4235 FRU List Page Page Page Page Page Page Page Screw List Page Appendix A 186 Model Definition and Configuration Appendix A Aspire 4535/4535G/4235 Series 187 Appendix A Appendix A 188 189 Appendix A Appendix A 190 191 Appendix A Appendix A 192 193 Appendix A Appendix A 194 195 Appendix A Appendix A 196 197 Appendix A Appendix A 198 199 Appendix A Appendix A 200 201 Appendix A Appendix A 202 203 Appendix A Appendix A 204 205 Appendix A Appendix A 206 207 Appendix A Appendix A 208 209 Appendix A Page Test Compatible Components Appendix B 212 Appendix B Microsoft Windows Vista Environment Test Appendix B 213 214 Appendix B Appendix B 215 216 Appendix B Appendix B 217 218 Appendix B Appendix B 219 220 Appendix B Appendix B 221 222 Appendix B Appendix B 223 224 Appendix B Appendix B 225 226 Appendix B Appendix B 227 228 Appendix B Appendix B 229 230 Appendix B Appendix B 231 232 Appendix B Appendix B 233 234 Appendix B Appendix B 235 236 Appendix B Appendix B 237 238 Appendix B Appendix B 239 Page Online Support Information Appendix C Page Index A B C D M N O P R

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