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compaq presario 900 series User Manual

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    							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
    272638-001.book  Page 24  Thursday, July 25, 2002  4:21 PM 
    						
    							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.
    6. Replace I/O board.
    Y
    Y Y
    Y
    N
    NN
    272638-001.book  Page 25  Thursday, July 25, 2002  4:21 PM 
    						
    							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.
    272638-001.book  Page 26  Thursday, July 25, 2002  4:21 PM 
    						
    							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
    272638-001.book  Page 27  Thursday, July 25, 2002  4:21 PM 
    						
    							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
    272638-001.book  Page 28  Thursday, July 25, 2002  4:21 PM 
    						
    							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
    272638-001.book  Page 29  Thursday, July 25, 2002  4:21 PM 
    						
    							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
    272638-001.book  Page 30  Thursday, July 25, 2002  4:21 PM 
    						
    							Maintenance and Service Guide3–1
    3
    Illustrated Parts Catalog
    This chapter provides an illustrated parts breakdown and a 
    reference for spare part numbers and option part numbers.
    3.1 Serial Number Location
    When ordering parts or requesting information, provide the 
    computer serial number and model number located on the bottom 
    of the computer (Figure 3-1).
    Figure 3-1. Serial Number Location
    272638-001.book  Page 1  Thursday, July 25, 2002  4:21 PM 
    						
    							3–2Maintenance and Service Guide
    Illustrated Parts Catalog
    3.2 Computer System Major Components
    Figure 3-2. Computer System Major Components
    272638-001.book  Page 2  Thursday, July 25, 2002  4:21 PM 
    						
    							Illustrated Parts Catalog
    Maintenance and Service Guide3–3
    Table 3-1
    Spare Parts: Computer System Major Components
    Item DescriptionSpare Part 
    Number
    1Displays
    For use only with Evo Notebook N1005 models
    15.0-inch, TFT, SXGA+
    15.0-inch, TFT, XGA
    14.1-inch, TFT, XGA
    For use only with Presario 900 models
    15.0-inch, TFT, SXGA+
    15.0-inch, TFT, XGA
    14.1-inch, TFT, XGA
    Display Inverter Board Kit (not illustrated)291643-001
    291642-001
    291641-001
    286754-001
    285521-001
    285520-001
    293348-001
    Miscellaneous Plastics/Hardware Kit, includes:285541-001
    2a
    2b
    2c
    2d
    2e
    2f
    2g
    2h
    2i
    2j
    2k
    2l
    2mLeft hinge cover
    Right hinge cover
    *Display release assembly
    TouchPad bracket
    Charger board shield
    Optical drive rear alignment rail
    Optical drive front alignment rail
    PC Card space saver
    *Connector cover
    *Hard drive bracket
    *Mini PCI compartment cover
    *Memory expansion compartment cover
    *Battery bezel
    *Includes two of each part, one with carbon finish for use with
    Evo Notebook N1005 models and one with silver finish for use 
    with Presario 900 models
    Not illustrated: Computer feet
    3LED cover285536-001
    272638-001.book  Page 3  Thursday, July 25, 2002  4:21 PM 
    						
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