Acer Expert Guide to BIOS Recovery for Aspire Models

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BIOS Recovery

1.Prepare a USB storage device and keep it ready in hand.

(1). Connect the USB storage device to a USB port on your computer.

(2). Copy the target BIOS ROM file to a USB storage device.

(3). Rename the target BIOS to “amiboot.rom”.

(4). Unplug the USB storage device.

2.Connect the USB storage device on the USB port on the system.

3.Power on the system. The system initializes the BIOS recovery process. Wait for about 3 minutes and the system will reboot automatically after the flash update is completed.

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Chapter 4

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Contents Acer Aspire X3950/X5950 Service Guide Revision History Copyright Disclaimer Conventions Service Guide Coverage Table of Contents System Block Diagram and Board Layout Features ChapterPower supply Dimension and weightPorts Operating system and softwareSystem Components Front PanelX3950 Icon ComponentX5950 Rear Panel Internal Components System LED Indicators LED indicator Color LED status DescriptionChapter Cmos Setup Utility System UtilitiesEntering Cmos setup Navigating Through the Setup UtilitySetup Utility Menus Product Information Parameter DescriptionStandard Cmos Features Parameter Description OptionAdvanced Bios Features LANAdvanced Chipset Features EistIntegrated Peripherals AhciPower Management Setup PC Health Status VbatFrequency/Voltage Control Bios Security Features Setting a system passwordRemoving a system password Load Default Settings Save & Exit Setup Exit Without Saving System Disassembly Disassembly RequirementsPre-disassembly Procedure Main Unit Disassembly X3950 modelX5950 model Removing the Side Panel Removing the Front Bezel Page Removing the Heatsink Fan Assembly Page Removing the Processor Page Removing the Optical Drive Remove the two screws C that secure the optical drive Slide the optical drive out of the bracket Removing the Hard Disk Drive Removing the Power Supply Lift the power supply module off the unit X3950 Removing the Memory Modules Removing an Expansion Card To remove a network cardTo remove a VGA card To remove a TV tuner card Removing the Front I/O and Card Reader Boards Pull the board out of the bracket Chapter Pull the I/O board out of the bracket Removing the Mainboard Lift the board off the housing Removing the Top Bezel Chapter System Troubleshooting Hardware Diagnostic ProcedureSystem Check Procedures Power System CheckSystem External Inspection System Internal InspectionViewing Bios checkpoints Bootblock Initialization Code CheckpointsCheckpoints Checkpoint DescriptionBootblock Recovery Code Checkpoints Post Code Checkpoints Module DIM Code Checkpoints Acpi Runtime CheckpointsError Messages BootMemory Message Displayed DescriptionStorage Device Virus Related System Configuration EpromCmos MiscellaneousUSB eModule Error Messages Smbios eModule Error MessagesCPU eModule Error Messages MPS Table Multi-processor eModule Error MessagesBeep Symptom Cause and Description Beep CodesIndex of Symptom-to-FRU Error Message Diskette Drive-Related Symptoms Symptom / Error Action/FRU Hard Disk Drive-Related Symptoms Symptom / Error Action/FRU CD/DVD-ROM Drive-Related Symptoms Symptom / Error Action/FRUModem-Related Symptoms Symptom / Error Action/FRU Real-Time Clock-Related Symptoms Symptom / Error Action/FRUAudio-Related Symptoms Symptom / Error Action/FRU Some or all keys on keyboard do not work  Keyboard Bios Recovery Select Save & Exit Setup, then press Enter Undetermined Problems System Block Diagram and Board Layout System Block DiagramMainboard Layout Code DescriptionPWR1 Chapter FRU Field Replaceable Unit List Exploded Diagram X3950 modelX5950 model X3950 FRU List System model PV.SE602.004 AX3950 AAP AJC PV.SE602.004CPU/PROCESSOR System model PT.SE602.003 AX3950 AAP ACS PT.SE602.003 Speaker Speaker Chiamaw 9M-20A200-000 Acer Logo LF System model PT.SE602.004 AX3950 AAP ACS PT.SE602.004 Front Bezel W/LED Switch Cable for TBD CPU/PROCESSOR System model PT.SE602.005 AX3950 AAP ACS PT.SE602.005 KH.01K01.007 X5950 FRU List System model 91.3CY01.002G Aagassi PVT/MVB SKU AX5950Front Bezel for Speaker Speaker USB Neosonica NEW Silver Color AC-MT-113 Specification Appendix aSystem Bios VGA Interface BD Combo Module Specification Keyboard and Input DevicesBdmv Aacs Super Multi Specification PcavDVD-R 2x / 4x CLV, 2.4x~6x Appendix a 100