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compaq evo n610c and evo n600c User Manual

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    							Troubleshooting
    Maintenance and Service Guide2–21
    Flowchart 2.11 - No OS Loading from Hard Drive, Part 2
    Continued from
    Flowchart 2.10,
    No OS Loading 
    from Hard Drive, 
    Part 1.
    Reseat
    hard drive.
    Done CD or
    diskette in
    drive?1. Replace hard 
    drive.
    2. Replace system 
    board.
    Go to
    Flowchart 2.13,
    No OS Loading 
    from Diskette 
    Drive.
    Load OS using 
    Restore CD (if 
    applicable). Format hard drive 
    and bring to a 
    bootable C: 
    prompt.Create partition, 
    then format hard 
    drive to bootable 
    C: prompt.
    Boot
    from diskette
    drive? Remove
    diskette and 
    reboot.
    YN
    Boot
    from
    hard drive?
    Y
    N
    YN
    Hard drive 
    accessible?
    YN
    Hard drive
    accessible?Done
    Run FDISK.
    Y
    N
    Hard drive
    partitioned?
    Hard drive
    formatted?
    YN
    YN
    Computer
    booted?
    Done
    Y
    N
    Go to
    Flowchart 2.12,
    No OS Loading 
    from Hard Drive,
    Part 3.Go to
    Flowchart 2.12,
    No OS Loading 
    from Hard Drive,
    Part 3.
    279362-001.book  Page 21  Monday, July 8, 2002  11:49 AM 
    						
    							2–22Maintenance and Service Guide
    Troubleshooting
    Flowchart 2.12 - No OS Loading from Hard Drive, Part 3
    Y
    System
    files on hard
    drive? Continued from 
    Flowchart 2.11,
    No OS Loading 
    from Hard Drive,
    Part 2.
    Clean virus.
    Done
    N
    Install OS
    and reboot.
    Virus
    on hard
    drive?OS
    loading from
    hard drive?
    Y
    NY
    N
    Y
    N
    Diagnostics
    on diskette?Replace
    hard drive.
    Run diagnostics
    and follow
    recommendations. Run SCANDISK 
    and check for
    bad sectors.
    Can bad
    sectors
    be fixed?Replace
    hard drive.
    YN
    YN
    Fix bad
    sectors.Boot from
    hard drive?Replace
    hard drive.
    Done
    279362-001.book  Page 22  Monday, July 8, 2002  11:49 AM 
    						
    							Troubleshooting
    Maintenance and Service Guide2–23
    Flowchart 2.13 - No OS Loading from Diskette Drive
    Done
    Y
    N
    Reseat
    diskette drive. OS not loading
    from
    diskette drive.
    Done
    Y
    YY Y
    Y
    Y Y N
    N
    N NN
    NN
    OS
    loading?
    Nonsystem
    disk message?Bootable
    diskette
    in drive?Install bootable
    diskette and
    reboot computer.
    Check diskette
    for system files.
    Try different 
    diskette.
    1. Replace 
    diskette drive.
    2. Replace system 
    board. Nonsystem
    disk error?
    OS
    loading? Boot
    from another
    device?
    Enable drive
    and cold boot
    computer.
    Diskette
    drive boot
    order?
    Change boot
    priority using
    the setup utility.Go to
    Flowchart 2.17,
    Nonfunctioning
    Device.
    Diskette
    drive enabled
    in the setup 
    utility?
    Go to
    Flowchart 2.17,
    Nonfunctioning
    Device. Clear CMOS. 
    Refer to 
    Section 1.3, 
    “Clearing a 
    Password,” for 
    instructions.
    279362-001.book  Page 23  Monday, July 8, 2002  11:49 AM 
    						
    							2–24Maintenance and Service Guide
    Troubleshooting
    Flowchart 2.14 - No OS Loading from CD- or 
    DVD-ROM Drive
    Clear CMOS. 
    Refer to 
    Section 1.3, 
    “Clearing a 
    Password,” for 
    instructions.
    Y
    Done
    N
    Bootable
    disc in
    drive? Disc
    in drive? No OS
    loading from
    CD- or
    DVD-ROM Drive.Install bootable
    disc and
    reboot
    computer.
    Go to
    Flowchart 2.17,
    Nonfunctioning
    Device.
    Go to
    Flowchart 2.17,
    Nonfunctioning
    Device. Install
    bootable disc.
    Boots from
    CD or DVD?
    Boots from
    CD or DVD?Try another
    bootable disc.
    Booting
    from another
    device?
    Booting
    order
    correct?
    Correct boot 
    order using
    the setup utility.Done Reseat
    drive.
    Y
    Y Y Y
    Y
    N NN
    N
    N
    279362-001.book  Page 24  Monday, July 8, 2002  11:49 AM 
    						
    							Troubleshooting
    Maintenance and Service Guide2–25
    Flowchart 2.15 - No Audio, Part 1
    No audio.
    N
    Notebook in 
    docking station
    (if applicable)?Internal
    audio?
    Audio? Done
    Undock
    Audio? Done Turn up audio 
    internally or 
    externally.
    Go to
    Flowchart 2.16,
    No Audio, Part 2.
    Go to
    Flowchart 2.16,
    No Audio, Part 2.
    Go to
    Flowchart 2.17,
    Nonfunctioning
    Device.Replace the following docking station 
    components one at a time as applicable. 
    Check after each change.
    1. Reseat docking station audio cable.
    2. Replace audio cable.
    3. Replace speaker.
    4. Replace docking station audio board.
    5. Replace backplane board.
    Y
    Y Y
    Y
    N
    NN
    279362-001.book  Page 25  Monday, July 8, 2002  11:49 AM 
    						
    							2–26Maintenance and Service Guide
    Troubleshooting
    Flowchart 2.16 - No Audio, Part 2
    YN
    Continued from 
    Flowchart 2.15,
    No Audio, Part 1.
    Reload
    audio drivers. Audio
    driver in OS
    configured?
    Audio?
    Y Y
    Y N N N
    Correct
    drivers for
    application?
    Connect to
    external
    speaker.Load drivers and
    set configuration
    in OS.
    Audio? Done Replace audio 
    board and 
    speaker 
    connections in 
    notebook (if 
    applicable).
    1. Replace internal speakers.
    2. Replace audio board 
    (if applicable).
    3. Replace system board.
    279362-001.book  Page 26  Monday, July 8, 2002  11:49 AM 
    						
    							Troubleshooting
    Maintenance and Service Guide2–27
    Flowchart 2.17 - Nonfunctioning Device
    Done
    Any physical
    device detected?
    Y
    N
    Unplug the nonfunctioning device 
    from the notebook and inspect cables 
    and plugs for bent or broken pins or 
    other damage.
    Reseat 
    device.
    Clear
    CMOS.
    DoneFix or
    replace
    broken item. Nonfunctioning
    device.
    Reattach device.
    Close notebook,
    plug in power,
    and reboot.
    Device
    boots
    properly?Go to
    Flowchart 2.9,
    No OS Loading.
    Device
    boots
    properly? Possible bad hard 
    drive. Replace 
    drive.
    Possible bad 
    diskette drive.
    Replace drive.
    Possible bad NIC.
    Replace card. If
    integrated NIC, 
    replace system 
    board.
    YNYN
    279362-001.book  Page 27  Monday, July 8, 2002  11:49 AM 
    						
    							2–28Maintenance and Service Guide
    Troubleshooting
    Flowchart 2.18 - Nonfunctioning Keyboard
    Y
    N
    OK? Keyboard
    not operating 
    properly.
    External
    device
    works?Replace
    system
    board.
    Replace
    system
    board. Connect notebook 
    to good external 
    keyboard.
    Reseat internal 
    keyboard 
    connector (if 
    applicable).
    Replace internal 
    keyboard or 
    cable.
    OK?
    Y N
    Y
    N
    DoneDone
    279362-001.book  Page 28  Monday, July 8, 2002  11:49 AM 
    						
    							Troubleshooting
    Maintenance and Service Guide2–29
    Flowchart 2.19 - Nonfunctioning Pointing Device
    Y
    N
    OK? Pointing device
    not operating 
    properly.
    External
    device
    works?Replace
    system
    board.
    Replace
    system
    board. Connect notebook 
    to good external 
    pointing device.
    Reseat internal 
    pointing device 
    connector 
    (if applicable).
    Replace internal 
    pointing device or 
    cable.
    OK?
    Y N
    Y
    N
    DoneDone
    279362-001.book  Page 29  Monday, July 8, 2002  11:49 AM 
    						
    							2–30Maintenance and Service Guide
    Troubleshooting
    Flowchart 2.20 - No Network or Modem Connection
    Y
    Disconnect all 
    power from
    the notebook
    and open.
    No network
    or modem 
    connection.
    N
    Done Digital
    line?
    Network
    or modem jack 
    active?Replace jack or 
    have jack 
    activated.
    Connect
    to nondigital
    line.
    NIC/modem 
    configured in OS?Reload
    drivers and 
    reconfigure.
    Reseat 
    NIC/modem (if 
    applicable).Replace 
    NIC/modem (if 
    applicable).
    Replace
    system
    board.OK?
    OK? Done
    N N
    N N Y
    Y Y
    Y
    279362-001.book  Page 30  Monday, July 8, 2002  11:49 AM 
    						
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