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Acer 5241 manual Wireless Function Failure, Thermal Unit Failure

Models: 5241

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Wireless Function Failure

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

Thermal Unit Failure

If the Thermal Unit fails, perform the following actions one at a time to correct the problem. Do not replace a non-defective FRUs:

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Chapter 4

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Acer 5241 manual Wireless Function Failure, Thermal Unit Failure

Contents

Aspire 5241 Series Service Guide Revision History Copyright III Conventions Preface Page Table of Contents Troubleshooting Viii Jumper and Connector Locations 139 Microsoft Windows 7 Environment Test Table of Contents Features Chapter Dimensions and Weight Power subsystemCommunication Privacy control System Block Diagram TBD Icon Description Your Acer Notebook tourFront View Closed Front View HDD Rear View Left View Right View Bottom View Indicators Icon Function Description TouchPad Basics Function Left Button Right Button Main TouchPad Using the Keyboard Lock Keys and embedded numeric keypad Windows Keys Key Description Hot Keys Hotkey Icon Function Description Euro symbol Special KeyAcer GridVista dual-display compatible US dollar sign Chapter Hardware Specifications and Configurations Processor SpecificationProcessor Specifications Northbridge Specification 2GB System Memory SpecificationTBD Confirm ATI RS780MN + ATI SB710 LAN Interface Specification Wireless Module 802.11b/g/n SpecificationHard Disk Drive Interface Specification Memory Combinations Slot Total Memory Super-Multi Drive Specification RPMSata Hlds GT30N LF Audio Interface Specification Audio Amplifier Specification Speakers Specification Microphone SpecificationPower and Keyboard Controller Battery Specification Cell Lvds Fan SpecificationCard Reader Specification Chapter Bios Setup Utility Navigating the Bios Utility Parameter Description InformationSonydvd Main Parameter Description Format/Option Disabled or SecurityParameter Description Option Clear or Set Setting a Password Removing a Password Changing a Password Changes have been saved Boot IDE1 Sonydvd USB FDD Exit Cmos Bios Flash Utilities DOS Flash Utility WinFlash Utility \NDWG0\ndwg005a\ Remove HDD/BIOS Password Utilities Remove HDD PasswordPassword UnlockHD Removing Bios Passwords Cleaning Bios Passwords Using Boot Sequence Selector Using DMI Tools Input Output Using the LAN MAC Eeprom Utility Machine Disassembly and Replacement Disassembly Requirements Pre-disassembly Instructions Disassembly ProcessMain Screw List Quantity Part Number Screw M2*3 Screw List Step Quantity External Module Disassembly ProcessExternal Modules Disassembly Flowchart Removing the Battery Pack Removing the SD Dummy Card Removing the Lower Covers Step Size Quantity Screw Type Lower Covers M2.5*8 Removing the Optical Drive Module Step Size Quantity Screw Type ODD Module M2.5*8 Step Size Quantity Screw Type ODD Bracket M2*3 Removing the Dimm Modules Removing the Wlan Module Step Size Quantity Screw Type Wlan Module M2*3 Removing the Hard Disk Drive Module Step Size Quantity Screw Type HDD Carrier M3*3 Main Unit Disassembly Process Main Unit Disassembly Flowchart Removing the Switch Cover See Removing the Battery Pack on Removing the Keyboard Removing the LCD Module Step Size Quantity Screw Type LCD Module M2.5*8 Chapter Page Step Size Quantity Screw Type LCD Module M2.5*8 Removing the Upper Cover Step Size Quantity Screw Type Upper Cover M2.5*8 Disconnect the following four cables from the Mainboard Disconnect a as shown Disconnect C as shown Remove the nine screws on the top panel Removing the Power Board Step Size Quantity Screw Type Power Board M2*3 Removing the Left Speaker Module Step Size Quantity Screw Type Removing the Right Speaker Module Step Size Quantity Screw Type Removing the TouchPad Bracket Step Size Quantity Screw Type TouchPad Bracket M2*3 Removing the Mainboard Step Size Quantity Screw Type Mainboard M2.5*4 Removing the RTC Battery Removing the Thermal Module Step Size Quantity Screw Type Thermal Module M2.5*6Page Removing the CPU Fan Step Size Quantity Screw Type CPU Fan M2*3 Lift the CPU Fan clear of the Mainboard as shown Chapter Removing the CPU LCD Module Disassembly Process LCD Module Disassembly Flowchart Removing the LCD Bezel Step Size Quantity Screw Type LCD Bezel M2.5*6 Removing the Camera Module Removing the LCD Panel Step Size Quantity Screw Type LCD Panel M2.5*6 Lift the LCD Panel clear of the module Chapter Removing the LCD Brackets and FPC Cable Step Size Quantity Screw Type LCD Brackets M2*3Page Removing the Antennas Page Chapter LCD Module Reassembly Procedure Replacing the Antennas Locating Pin Page Replacing the LCD Panel Page Replacing the Camera Module Replacing the LCD Bezel Replace the four screws and screw caps provided Main Module Reassembly Procedure Replacing the CPU Replacing the CPU Fan Replacing the Thermal Module Replacing the Mainboard Replacing the TouchPad Bracket Page Replacing the Right Speaker Module Replacing the Left Speaker Module Replacing the Power Board Replacing the Upper CoverPage 104 Chapter Connect a as shown Connect C as shown Replacing the LCD Module Cover Rear Securing Clips 108 Chapter Page 110 Chapter Replacing the Keyboard Replacing the Switch Cover Replacing the Hard Disk Drive ModulePage Replacing the Wlan Module Replacing the Dimm Modules Replacing the ODD Module Replacing the Lower Covers Replacing the SD Dummy Card Replacing the Battery 118 Chapter Common Problems Symptoms Verified Go To Power On Issue Computer Shutsdown Intermittently No Display Issue No Post or Video Random Loss of Bios Settings Abnormal Video Display LCD Failure Built-In Keyboard Failure TouchPad Failure Internal Speaker Failure Select Set up microphone Sound ProblemsMicrophone Problems Select Startup Repair HDD Not Operating CorrectlySelect Repair your computer ODD Failure ODD Not Operating Correctly Discs Do Not Play Drive Not Detected Wireless Function Failure Thermal Unit Failure External Mouse Failure Other Failures Dimm Intermittent ProblemsUndetermined Problems Post Codes BDS & Specific action Code Description Each Peim entry point used in 80PORT Each Driver entry point used in 80PORT Code Description Each Driver entry point used in 80PORT Ybios YbiosplatformBlockservice Securityhddpasswordservice Each SmmDriver entry point used in 80PORT Top View JTP1SW2 SW3 JRJ1 JUSB1JUSB2 JMIC1 ON/OFF LED Power BoardSW1 Clearing Password Check and Bios Recovery Clearing Password CheckSteps for Clearing Bios Password Check Clear Cmos Jumper Bios Recovery by Crisis Disk Bios Recovery Boot BlockBios Recovery Hotkey Steps for Bios Recovery from USB Storage 144 Chapter FRU Field Replaceable Unit List Acer Aspire 5241 Series Exploded Diagrams Main Assembly Description Acer P/N Base Assembly Rear Assembly Case/Cover/Bracket Assembly Acer Aspire 5241 Series FRU ListDescription AcerPN Board Cable Description AcerPN Sata LF F/W FG011J Sata LF F/WFG001JSata LF F/WFG011J HDD Bracket Assy Keyboard ODD BEZEL-SUPER MultiODD Bracket Assy LCD Module 15.6 IN. Wxga Glare W ANTENNA*2, CCD 0.3MLCD Cover ANTENNA-AUX Assy LCD Module 15.6 IN. Wxga Glare W/O CCD ANTENNA-MAIN+MIMOLCD Bezel for W/ CCD F LCD Cable for W/ CCD F LED Cable for W/O CCD F ANTENNA*2, W/O CCDLCD Bezel for W/O CCD F Memory Assy LED Module 15.6 IN. Wxga Glare WANTENNA*3 W/O CCD Miscellaneous HeatsinkSpeaker Chapter 159 Appendix a Country Acer Part No DescriptionChip SMPM100 UMA SO1GBII6 Acla AAPEME SO2GBII6 SO2GBII8 SO2GBII6 SO1GBII6UMA SO1GBII6 UMA SO2GBII6 Appendix a 164 Test Compatible Components Appendix B Adapter Microsoft Windows 7 Environment TestType Description Cover Battery Type Description Audio CodecALC272X Panasonic Simplo Type DescriptionSanyo Card Reader SonyCamera SMPM100 Hgst Sata LF F/WC60F Seagate Sata 8MB LF F/WGJ001J Toshiba320G/P Sata 8MB LF F/WGJ001J BS,320G/P Sata 8MB LF F/WGJ001J Brand Acer None AUO N15.6WXGAG NLED15.6WXGA CMO N15.6WXGAG LPL N15.6WXGAG Samsung N15.6WXGAG MEM Hynix SO1GBII6 Micron SO1GBII6 Nanya SO1GBII6 Samsung SO1GBII6 ModemNB Chipset AMD AMDRS880M Hlds NSM8XS NSM8XS9.5Panasonic NSM8XS9.5 Plds NSM8XS Sony NSM8XS Toshiba NSM8XSSB Chipset AMD AMDSB710 AMD SB710 WiFi Antenna VGA ChipAMD M92SXT UMA UMA AMD Type Description Wireless LAN BGN Online Support Information Appendix C 188 Bios 190 191 192