Acer 4320, 4720G, 4720Z manual Cmos Dimm, Cpu Id

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Error Message List

Error Messages	FRU/Action in Sequence

Real time clock error	RTC battery
	Run BIOS Setup Utility to reconfigure system time, then reboot
	system.
	System board

Previous boot incomplete - Default configuration	Run “Load Default Settings” in BIOS Setup Utility.
used	RTC battery
	System board

Memory size found by POST differed from	Run “Load Default Settings” in BIOS Setup Utility.
CMOS	DIMM
	System board

Diskette drive A error	Check the drive is defined with the proper diskette type in BIOS
	Setup Utility
	See “External Diskette Drive Check” on page 68.

Incorrect Drive A type - run SETUP	Check the drive is defined with the proper diskette type in BIOS
	Setup Utility

System cache error - Cache disabled	System board

CPU ID:	System board

DMA Test Failed	DIMM
	System board

Software NMI Failed	DIMM
	System board

Fail-Safe Timer NMI Failed	DIMM
	System board

Device Address Conflict	Run “Load Default Settings” in BIOS Setup Utility.
	RTC battery
	System board

Allocation Error for device	Run “Load Default Settings” in BIOS Setup Utility.
	RTC battery
	System board

Failing Bits: nnnn	DIMM
	BIOS ROM
	System board

Fixed Disk n	None

Invalid System Configuration Data	BIOS ROM
	System board

I/O device IRQ conflict	Run “Load Default Settings” in BIOS Setup Utility.
	RTC battery
	System board

Operating system not found	Enter Setup and see if fixed disk and drive A: are properly identified.
	Diskette drive
	Hard disk drive
	System board

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Chapter 4

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Contents Aspire 4720G/4720Z/4720/4320 Series Service Guide Date Chapter Updates Revision HistoryCopyright DisclaimerConventions Screen MessagesPreface Page Chapter System SpecificationsFeatures Audio Storage subsystemInput devices CommunicationEnvironment System Block Diagram Nestos System Block DiagramBoard Layout Top ViewBottom View PJ1Icon Description Your Acer Notebook tourFront View Closed Front View Left View Right View Rear viewIcon Description Ventilation slot After prolonged useIndicators Base viewHDD Easy-Launch ButtonsIcon Function Description Function Left Button Main Touchpad Way Scroll Right Button Launch key Default applicationTouchpad Basics Using the Keyboard Desired Access Num Lock On Num Lock OffLock Keys and embedded numeric keypad Lock Key DescriptionWindows Keys Key Icon DescriptionHot Keys Technology onEuro symbol Special KeyUS dollar sign Hot Key Icon Function DescriptionAcer Empowering Technology Empowering Technology passwordAcer eNet Management Acer ePower Management AC Mode Adapter modeDC Mode Battery mode To create new power planBattery status Acer eAudio Management Acer ePresentation Management Acer eDataSecurity ManagementChapter Acer eLock Management Acer eRecovery Management Acer eSettings Management Changing the Acer Crytal Eye webcam resolution Using the Acer Crytal Eye webcamGetting to know your Acer Cystal Eye webcam Launching the Acer Crytal Eye webcamUsing the System Utilities Acer GridVista dual-display compatibleLaunch Manager Hardware Specifications and Configurations ProcessorCPU Fan True Value Table Second Level CacheSystem Memory Memory Combinations2GB 0MBModem Interface System Vram and Vbios OptionsLAN Interface Hard Disk Drive Interface Bluetooth InterfaceWireless Module 802.11b/g, 802.11a/b/g, 802.11a/g/n USB Port DVD-Dual InterfaceAudio Interface Battery Express Card SlotSystem Board Major Chips KeyboardLCD 14.1 inch LCD InverterSystem Power Management AC AdapterSystem Utilities Bios Setup Utility Main Security BootNavigating the Bios Utility Information Parameter DescriptionMain Shows extended memory sizeParameter Description Format/Option Set Supervisor Password SecurityParameter Description Option Setting a PasswordClear or Set Removing a Password Changing a PasswordSetup Warning Invalid Password Continue Boot IDE HDD Hitachi HTS541616J9SA00-SExit Exit Saving ChangesBios Flash Utility Machine Disassembly and Replacement General Information Before You BeginDisassembly Procedure Flowchart HDDScrew List Description Part NumberRemoving the Battery Pack Removing the HDD Module Removing the Memory Removing the Wireless LAN CardRemoving the ODD Module Removing the Keyboard and LCD Module Page Removing the Main Board Disassembling the Lower Case AssemblyDisassembling the Main Unit Disassembling the Upper Case Assembly Removing the Bluetooth ModuleRemoving the Audio Board Removing the SpeakersRemoving the Power Board Disassembling the Main BoardRemoving the Touchpad Cable Removing the Thermal Module and System FanRemoving the CPU Removing the Modem CardDisassembling the LCD Module Disassembling the ODD Module Disassembling the External ModulesDisassembling the HDD Module Chapter 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 IDCRT No beep Error Messages FRU/Action in SequenceLCD Phoenix Bios Beep Codes Code Beeps Post Routine DescriptionChapter Code Beeps Post Routine Description Code Beeps 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 Top ViewBottom View FRU Field Replaceable Unit List Aspire 4720G/4720Z/4720/4320 Exploded Diagram Category Part Name and Description Acer Part NoWireless LAN Board 802.11BG Intel 3945BG Intel Wireless Wifi Link 4965ANGPower Board 65W Power Board 90WCASE/COVER/BRACKET Assembly Middle Cover Bluetooth Cable TP FFC TP Lower Case Assy W/RUBBERUpper Case Assy W/SPEAKER Base Door W/RUBBERDVD-RW Drive DVD/RW Super Multi Module DVD Super Multi Tray in HldsGSA-T20N LF W/O Bezel DVD Super Multi Drive 7530A Vista Tray DVD Super Multi Tray in Philips33.AHS07.003 White SWISS/G Keyboard 1415KB-FV2 89KS White Portuguese Keyboard 1415KB-FV2 88KSWhite US International Hebrew Keyboard 1415KB-FV2 88KS White Korean Keyboard 1415KB-FV2 89KSLCD Bracket W/HINGE R CCD Module 0.3M BisonCCD Module 0.3M Suyin LCD Module Assy 14.1 in Wxga WAntenna W/O CCD LCD Cable W/O CCDAntenna LCD Bezel Assy W/O CCD Antenna W/O CCD LCD 14.1 IN. Wxga LPL LP141WX1Mainboard Mainboard 960GML UMA W/CARD Card Readre Express Card W/O CPU Momery Memory1GB HYMP512S64CP8-Y5 LF Memory 512MB DDR II 667 Hynix SO-DIMM DDRII667 512MB