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Acer Aspire 1360 Service Guide

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    							Chapter 472
    Use the following procedure as a guide for computer problems.
    NOTE: The diagnostic tests are intended to test only Acer products. Non-Acer products, prototype cards, or 
    modified options can give false errors and invalid system responses.
    1.Obtain the failing symptoms in as much detail as possible.
    2.Verify the symptoms by attempting to re-create the failure by running the diagnostic test or by repeating 
    the same operation.
    3.Use the following table with the verified symptom to determine which page to go to.
    Symptoms (Verified)Go To
    Power failure. (The power indicator does not go 
    on or stay on.)“Power System Check” on page 74.
    POST does not complete. No beep or error 
    codes are indicated.“Power-On Self-Test (POST) Error Message” on 
    page 77
    “Undetermined Problems” on page 89
    POST detects an error and displayed messages 
    on screen.“Error Message List” on page 78
    Other symptoms (i.e. LCD display problems or 
    others).“Power-On Self-Test (POST) Error Message” on 
    page 77
    Symptoms cannot be re-created (intermittent 
    problems).Use the customer-reported symptoms and go to 
    “Power-On Self-Test (POST) Error Message” on 
    page 77
    “Intermittent Problems” on page 88
    “Undetermined Problems” on page 89
    Troubleshooting
    Chapter 4 
    						
    							73Chapter 4
    System Check Procedures
    External Diskette D rive Check
    Do the following to isolate the problem to a controller, driver, or diskette. A write-enabled, diagnostic diskette is 
    required.
    NOTE: Make sure that the diskette does not have more than one label attached to it. Multiple labels can cause 
    damage to the drive or cause the drive to fail. 
    Do the following to select the test device.
    1.Boot from the diagnostics diskette and start the diagnostics program.
    2.See if FDD Test is passed as the program runs to FDD Test.
    3.Follow the instructions in the message window.
    If an error occurs with the internal diskette drive, reconnect the diskette connector on the system board.
    If the error still remains:
    1.Reconnect the external diskette drive/DVD-ROM module.
    2.Replace the external diskette drive/CD-ROM module.
    3.Replace the main board.
    External CD -ROM D rive Check
    Do the following to isolate the problem to a controller, drive, or CD-ROM. Make sure that the CD-ROM does 
    not have any label attached to it. The label can cause damage to the drive or can cause the drive to fail.
    Do the following to select the test device:
    1.Boot from the diagnostics diskette and start the diagnostics program.
    2.See if CD-ROM Test is passed when the program runs to CD-ROM Test.
    3.Follow the instructions in the message window.
    If an error occurs, reconnect the connector on the System board. If the error still remains:
    1.Reconnect the external diskette drive/CD-ROM module.
    2.Replace the external diskette drive/CD-ROM module.
    3.Replace the main board.
    Keyboard or Auxiliary Input D evice Check
    Remove the external keyboard if the internal keyboard is to be tested.
    If the internal keyboard does not work or an unexpected character appears, make sure that the flexible cable 
    extending from the keyboard is correctly seated in the connector on the system board.
    If the keyboard cable connection is correct, run the Keyboard Test. 
    If the tests detect a keyboard problem, do the following one at a time to correct the problem. Do not replace a 
    non-defective FRU:
    1.Reconnect the keyboard cables.
    2.Replace the keyboard.
    3.Replace the main board.
    The following auxiliary input devices are supported by this computer:
    TNumeric keypad
    TExternal keyboard 
    						
    							Chapter 474
    If any of these devices do not work, reconnect the cable connector and repeat the failing operation. 
    Memory check
    Memory errors might stop system operations, show error messages on the screen, or hang the system.
    1.Boot from the diagnostics diskette and start the doagmpstotics program (please refer to main board.
    2.Go to the diagnostic memory in the test items.
    3.Press F2 in the test items.
    4.Follow the instructions in the message window.
    NOTE: Make sure that the DIMM is fully installed into the connector. A loose connection can cause an error.
    Power System Check
    To verify the symptom of the problem, power on the computer using each of the following power sources:
    1.Remove the battery pack.
    2.Connect the power adapter and check that power is supplied.
    3.Disconnect the power adapter and install the charged battery pack; then check that power is supplied by 
    the battery pack.
    If you suspect a power problem, see the appropriate power supply check in the following list:
    T“Check the Power Adapter” on page 75
    T“Check the Battery Pack” on page 76 
    						
    							75Chapter 4
    Check the Power Adapter
    Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power 
    adapter cable. See the following figure
    1.If the voltage is not correct, replace the power adapter.
    2.If the voltage is within the range, do the following:
    TReplace the System board.
    TIf the problem is not corrected, see “Undetermined Problems” on page 89.
    TIf the voltage is not correct, go to the next step.
    NOTE: An audible noise from the power adapter does not always indicate a defect.
    3.If the power-on indicator does not light up, check the power cord of the power adapter for correct 
    continuity and installation.
    4.If the operational charge does not work, see “Check the Battery Pack” on page 76. 
    Pin 1: +19 to +20.5V
    Pin 2: 0V, Ground 
    						
    							Chapter 476
    Check the Battery Pack 
    To check the battery pack, do the following:
    From Software:
    1.Check out the Power Management in control Panel
    2.In Power Meter, confirm that if the parameters shown in the screen for Current Power Source and Total 
    Battery Power Remaining are correct.
    3.Repeat the steps 1 and 2, for both battery and adapter.
    4.This helps you identify first the problem is on recharging or discharging. 
    From Hardware:
    1.Power off the computer. 
    2.Remove the battery pack and measure the voltage between battery terminals 1(+) and 6(ground). See the 
    following figure
    3.If the voltage is still less than 7.5 Vdc after recharging, replace the battery. 
    To check the battery charge operation, use a discharged battery pack or a battery pack that has less than 50% 
    of the total power remaining when installed in the computer. 
    If the battery status indicator does not light up, remove the battery pack and let it return to room temperature. 
    Re-install the battery pack.
    If the charge indicator still does not light up, replace the battery pack. If the charge indicator still does not light 
    up, replace the DC/DC charger board. 
    To u c h p a d  C h e c k
    If the touchpad doesn’t work, do the following actions one at a time to correct the problem. Do not replace a 
    non-defective FRU:
    1.Reconnect the touchpad cables.
    2.Replace the touchpad.
    3.Replace the system board.
    After you use the touchpad, the pointer drifts on the screen for a short time. This self-acting pointer movement 
    can occur when a slight, steady pressure is applied to the touchpad pointer. This symptom is not a hardware 
    problem. No service actions are necessary if the pointer movement stops in a short period of time. 
    						
    							77Chapter 4
    Power-On Self-Test (POST) Error Message 
    The POST error message index lists the error message and their possible causes. The most likely cause is 
    listed first.
    NOTE: Perform the FRU replacement or actions in the sequence shown in FRU/Action column, if the FRU 
    replacement does not solve the problem, put the original part back in the computer. Do not replace a 
    non-defective FRU.
    This index can also help you determine the next possible FRU to be replaced when servicing a computer.
    If the symptom is not listed, see “Undetermined Problems” on page 89.
    The following lists the error messages that the BIOS displays on the screen and the error symptoms classified 
    by function. 
    NOTE: Most of the error messages occur during POST. Some of them display information about a hardware 
    device, e.g., the amount of memory installed. Others may indicate a problem with a device, such as the 
    way it has been configured. 
    NOTE: If the system fails after you make changes in the BIOS Setup Utility menus, reset the computer, enter 
    Setup and install Setup defaults or correct the error.  
    						
    							Chapter 478
    Index of Error Messages
    Error Code List
    Error CodesError Messages
    006 Equipment Configuration Error
    Causes:
    1. CPU BIOS Update Code Mismatch
    2. IDE Primary Channel Master Drive Error
    (THe causes will be shown before “Equipment Configuration 
    Error”)
    010 Memory Error at xxxx:xxxx:xxxxh (R:xxxxh, W:xxxxh) 
    070 Real Time Clock Error
    071 CMOS Battery Bad
    072 CMOS Checksum Error
    110 System disabled.
    Incorrect password is specified.
     Battery critical LOW
    In this situation BIOS will issue 4 short beeps then shut down 
    system, no message will show.
     Thermal critical High
    In this situation BIOS will shut down system, not show message.
    Error Message List
    Error MessagesFRU/Action in Sequence
    Failure Fixed Disk Reconnect hard disk drive connector.
    “Load Default Settings” in BIOS Setup Utility.
    Hard disk drive
    System board
    Stuck Key see “Keyboard or Auxiliary Input Device Check” on page 73. 
    Keyboard error see “Keyboard or Auxiliary Input Device Check” on page 73. 
    Keyboard Controller Failed see “Keyboard or Auxiliary Input Device Check” on page 73. 
    Keyboard locked - Unlock key switch Unlock external keyboard
    Monitor type does not match CMOS - Run Setup Run “Load Default Settings” in BIOS Setup Utility.
    Shadow RAM Failed at offset: nnnn BIOS ROM
    System board
    System RAM Failed at offset: nnnn DIMM
    System board
    Extended RAM Failed at offset: nnnn DIMM
    System board
    System battery is dead - Replace and run Setup Replace RTC battery and Run BIOS Setup Utility to reconfigure 
    system time, then reboot system.
    System CMOS checksum bad - Default 
    configuration usedRTC battery
    Run BIOS Setup Utility to reconfigure system time, then reboot 
    system.
    System timer error RTC battery
    Run BIOS Setup Utility to reconfigure system time, then reboot 
    system.
    System board 
    						
    							79Chapter 4
    Real time clock error RTC battery
    Run BIOS Setup Utility to reconfigure system time, then reboot 
    system.
    System board
    Previous boot incomplete - Default configuration 
    usedRun “Load Default Settings” in BIOS Setup Utility.
    RTC battery
    System board
    Memory size found by POST differed from 
    CMOSRun “Load Default Settings” in BIOS Setup Utility.
    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 73. 
    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
    Error Message List
    Error MessagesFRU/Action in Sequence 
    						
    							Chapter 480
    Error Message List
    No beep Error MessagesFRU/Action in Sequence
    No beep, power-on indicator turns off and LCD is 
    blank.Power source (battery pack and power adapter). See “Power 
    System Check” on page 74. 
    Ensure every connector is connected tightly and correctly. 
    Reconnect the DIMM.
    LED board.
    System board.
    No beep, power-on indicator turns on and LCD is 
    blank.Power source (battery pack and power adapter). See “Power 
    System Check” on page 74. 
    Reconnect the LCD connector
    Hard disk drive
    LCD inverter ID
    LCD cable
    LCD Inverter
    LCD
    System board
    No beep, power-on indicator turns on and LCD is 
    blank. But you can see POST on an external 
    CRT. Reconnect the LCD connectors.
    LCD inverter ID
    LCD cable 
    LCD inverter
    LCD
    System board
    No beep, power-on indicator turns on and a 
    blinking cursor shown on LCD during POST.Ensure every connector is connected tightly and correctly.
    System board
    No beep during POST but system runs correctly. Speaker
    System board 
    						
    							81Chapter 4
    POST Code
    CodeBeepsPOST Routine Description
    02h Verify Real Mode
    03h Disable Non-Maskable Interrupt (NMI)
    04h Get CPU type
    06h Initialize system hardware
    08h Initialize chipset with initial POST values
    09h Set IN POST flag
    0Ah Initialize CPU registers
    0Bh Enable CPU cache
    0Ch Initialize caches to initial POST values
    0Eh Initialize I/O component
    0Fh Initialize the local bus IDE
    10h Initialize Power Management
    11h Load alternate registers with initial POST 
    values
    12h Restore CPU control word during warm boot
    13h Initialize PCI Bus Mastering devices
    14h Initialize keyboard controller
    16h 1-2-2-3 BIOS ROM checksum
    17h Initialize cache before memory autosize
    18h 8254 timer initialization
    1Ah 8237 DMA controller initialization
    1Ch Reset Programmable Interrupt Controller
    20h 1-3-1-1 Test DRAM refresh
    22h 1-3-1-3 Test 8742 Keyboard Controller
    24h Set ES segment register to 4 GB
    26h Enable A20 line
    28h Autosize DRAM
    29h Initialize POST Memory Manager
    2Ah Clear 215 KB base RAM
    2Ch 1-3-4-1 RAM failure on address line xxxx
    2Eh 1-3-4-3 RAM failure on data bits xxxx of low byte of 
    memory bus
    2Fh Enable cache before system BIOS shadow
    30h 1-4-1-1 RAM failure on data bits xxxx of high byte of 
    memory bus
    32h Test CPU bus-clock frequency
    33h Initialize Phoenix Dispatch Manager
    36h Warm start shut down
    38h Shadow system BIOS ROM
    3Ah Autosize cache
    3Ch Advanced configuration of chipset registers
    3Dh Load alternate registers with CMOS values
    42h Initialize interrupt vectors
    45h POST device initialization 
    						
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