Acer 250 Index of Symptom-to-FRU Error Message, LCD-Related Symptoms, Indicator-Related Symptoms

Page 116

Index of Symptom-to-FRU Error Message

LCD-Related Symptoms

Symptom / Error	Action in Sequence

LCD backlight doesn't work	Enter BIOS Utility to execute “Load Setup Default Settings”, then
LCD is too dark	reboot system.
LCD brightness cannot be adjusted	Reconnect the LCD connectors.
LCD contrast cannot be adjusted	Keyboard (if contrast and brightness function key doesn't work).
	LCD inverter ID
	LCD cable
	LCD inverter
	LCD
	System board

Unreadable LCD screen	Reconnect the LCD connector
Missing pels in characters	LCD inverter ID
Abnormal screen	LCD cable
Wrong color displayed	LCD inverter
	LCD
	System board

LCD has extra horizontal or vertical lines	LCD inverter ID
displayed.	LCD inverter
	LCD cable
	LCD
	System board

Indicator-Related Symptoms

Symptom / Error	Action in Sequence

Indicator incorrectly remains off or on, but system	Reconnect the inverter board
runs correctly	Inverter board
	System board

Power-Related Symptoms

Symptom / Error	Action in Sequence

Power shuts down during operation	Power source (battery pack and power adapter). See “Power
	System Check” on page 96.
	Battery pack
	Power adapter
	Hard drive & battery connection board
	System board

The system doesn’t power-on.	Power source (battery pack and power adapter). See “Power
	System Check” on page 96.
	Battery pack
	Power adapter
	Hard drive & battery connection board
	System board

The system doesn’t power-off.	Power source (battery pack and power adapter). See “Power
	System Check” on page 96.
	Hold and press the power switch for more than 4 seconds.
	System board

Battery can’t be charged	See “Check the Battery Pack” on page 98.
	Battery pack
	System board

107	TravelMate 240/ 250

Image 116

Contents Acer TravelMate 240/250 Series Date Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen messagesPreface Page Table of Contents Appendix C Online Support Information 146 Index 148 Table of Contents Features System IntroductionDisplay System Block Diagram ICH4-MBoard Layout Top ViewBottom View Panel Front PanelIcon Item/ Port Description Left PanelDescription Icon Item/ Port Description Right Panel Rear Panel Icon Port DescriptionBottom Panel Indicators Icon Function DescriptionUnderstanding the icons Lock key Description KeyboardSpecial keys Desired access Num lock on Num lock off Keys DescriptionHot Keys Click on the language tab and click on Details Launch Keys Hardware Specifications and Configurations System Board Major ChipsProcessor for TravelMate Second Level CacheSystem Memory Memory Combinations0MB DDR-DRAMLAN Interface Modem InterfaceFloppy Disk Drive Interface MFMCD-ROM Interface Items SpecificationHard Disk Drive Interface DVD-9/DVD-R DVD-ROM InterfaceIDE Combo Drive Interface Audio Interface Video InterfaceVideo Memory 8MBVideo Resolutions Mode Parallel PortUSB Port Pcmcia PortBattery DC-DC/Charger ConverterAPI SimploDC-AC LCD Inverter AC AdapterTX38D85VC1CAB TFTPower Management Power Saving Mode Phenomenon Standby ModeHibernation Mode System Hibernation timer expiresMemory Address Map Mechanical SpecificationEnvironmental Requirements Address Map FEBFFC00-FEBFFFFFFEC10000-FEC1FFFF FF000000-FFFFFFFFAddress Map IRQ Assignment Map DMA Channel AssignmentInterrupt Channel Function DMA Channel FunctionBios Setup Utility System UtilitiesNavigating the Bios Utility Information Parameter DescriptionMain Parameter Description Format/Option Advanced Parameter Description OptionsIRQ7/IRQ5 DMA3/DMA1Security Clear or Set Parameter Description OptionRemoving a Password Chapter Boot Exit Bios Flash Utility System Diagnostic DisketteChapter Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew List Removing the Battery Removing the Memory Module Removing the Modem Board Removing the Hard Disk Drive Module Disassembling the Hard Disk Drive ModuleRemoving the Launch Board Removing the LCD ModuleRemoving the Middle Cover Removing the LCD Module Chapter Removing the Inverter Board 15 LCD Disassembling the LCD ModuleRemoving the LCD Bezel Removing the 15 TFT LCD Removing the LCD BracketsRemoving the LCD Coaxial Cable Removing the LCD HingesPage Removing the RTC Battery Disassembling the Main UnitRemoving the Keyboard Removing the MimiPCI Card PlateRemoving the Thermal Module Removing the ProcessorInstalling the Processor Removing the Upper Case AssemlyRemoving the Touchpad Board Removing the Touchpad CableRemoving the Floppy Disk Drive Module Dissembling the Floppy Disk Drive ModuleRemoving the VGA Heatsink Plate Removing the CPU Heatsink PlateRemoving the HDD Bracket Removing the ODD Module1Removing the ODD Module2 Removing the Main Board Removing the DC BoardRemoving the I/O Port Bracket Removing the Pcmcia SlotRemoving the Speaker Set System Upgrade Procedure Base Unit to Wireless UnitInstalling the Speaker Set Installing the DC BoardInstalling the Pcmcia Slot Installing the Main BoardInstalling the HDD Bracket Installing the ODD ModuleInstalling the CPU Heatsink Plate Installing the VGA Heatsink PlateInstalling the Touchpad Board Installing the Floppy Disk Drive ModuleInstalling the Touchpad Cable Installing the Upper Case Assemly Installing the Thermal Module Installing the MimiPCI Card Plate Installing the RTC Battery Installing the KeyboardPage Installing the LCD Hinges Installing the LCD Coaxial CableInstalling the LCD Brackets Assembling the LCD ModuleInstalling the 15 TFT LCD Installing the Inverter Board 15 LCDInstalling the LCD Bezel Page Installing the Launch Board Installing the LCD ModuleInstalling the LCD Module Installing the Middle Cover TravelMate 240 Installing the Hard Disk Drive Module Removing the Modem Board Installing the Memory Module Installing the Battery Troubleshooting Symptoms Verified Go ToSystem Check Procedures External Diskette Drive CheckExternal CD-ROM Drive Check Keyboard or Auxiliary Input Device CheckPower System Check Memory checkCheck the Power Adapter Check the Battery Pack Touchpad CheckPower-On Self-Test Post Error Message Index of Error Messages Error Code ListError Message List Error Codes Error MessagesCmos Dimm CPU IDNo beep Error Messages FRU/Action in Sequence CRTPost Codes Code Beeps Post Routine DescriptionChapter 104 Code Beeps Post Routine Description Code Beeps For Boot Block in Flash ROM Index of Symptom-to-FRU Error Message LCD-Related SymptomsIndicator-Related Symptoms Power-Related SymptomsPCMCIA-Related Symptoms Memory-Related SymptomsSpeaker-Related Symptoms Power Management-Related SymptomsModem-Related Symptoms Peripheral-Related SymptomsKeyboard/Touchpad-Related Symptoms Intermittent Problems Undetermined Problems DimmJumper and Connector Locations LIN1 FAN1LOUT1 SW1 RJ1SW1 Settings 115 TravelMate 240 FRU Field Replaceable Unit List TravelMate 240/250 Exploded Diagram RTC Battery Battery Module LI-ION 8CELLMAH Simplo W/ Cover Battery LI-ION 8CELL 2.0 MAH Wireless LAN Board 802.11BCover Switch Cable Launch BoardModem Board 56K Ambit Touchpad CableSwitch Cable & Touchpad Module Hinge CAP LeftOptical Drive Support Bracket HDD BracketWireless Antenna Right Black Wireless Antenna LeftTouchpad Cover Middle Cove W/LAUNCHFDD Module 1.44M MCI JU FDD Module 1.44M MitsumiFDD Drive 1.44M MCI JU FDD Drive 1.44M MitsumiMoraga IC25N040ATMR04-0 Toshiba Neptune MK4021GASSeagate ST94011A Fujitsu V-40 MHT2040ATKeyboard 84KEY Darfon NSK-AC61D US-INT Keyboard 84KEY DarfonNSK-AC602 Taiwan Keyboard 85KEY Darfon NSK-AC60S Spanish Keyboard 84KEY DarfonModem & Modem Cable Pcmcia Slot & RTC Battery Inverter CableLCD Coaxial Cable LCD Panel W/HINGE & LogoTouchpad Knob LCD Screw Rubber UpperLCD Screw Rubber Lower Rubber FootElpedia W30256AAEPI652A Memory DDR333 256MB Mocron MT8VDDT3264HDGMemory DDR333 512MB Infineon HYS64D64020GBDL-6Chapter 128 129 TravelMate 240/250 Battery Wireless Number Model Name DefinitionModel Memory131 TravelMate 240 Test Compatible Components XGA TFT SpecificationsMicrosoft Windows XP Environment Test Isdn QSI SBW-242Simplo BTP-58A1 Assy BTY PK LI+2.0MAH 8C Option Pcmcia Pcmcia ATA Pcmcia USB PCMCIA-SCSIMicrosoft Windows 2000 Environment Test Appendix B 138 139 TravelMate 240/250 Appendix B 140 Microsoft Windows 98 Environment Test Appendix B 142 143 TravelMate 240/250 Appendix B 144 145 TravelMate 240/250 Online Support Information 147 Index Pcmcia Windows 98 Environment Test Index 150

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