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Dell Inspiron 7000 Service Manual

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    							Beep Codes and Error Messages 3-3
    )DLOLQJELWV
    QQQQMemory failed at RAM 
    address 
    nnnn.Faulty or improperly 
    seated memory mod-
    ule. Faulty main board.
    )L[HGGLVN
    IDLOXUHThe hard-disk drive 
    failed to initialize.Corrupted hard-disk 
    drive boot sector or 
    configuration file. 
    Faulty hard-disk drive. 
    Faulty main board.
    )L[HGGLVNFRQ
    WUROOHUIDLOXUHThe hard-disk drive con-
    troller may be faulty.Faulty hard-disk drive. 
    Faulty main board.
    ,QFRUUHFWGULYH$
    W\SHªUXQ6HWXSThe diskette drive is not 
    identified properly in 
    the Setup program. Incorrect drive 
    configuration. Faulty 
    connections. Faulty dis-
    kette drive. Faulty main 
    board.
    .H\ERDUGFRQWURO
    OHUHUURUThe keyboard control-
    ler is faulty.Faulty keyboard 
    connection. Faulty key-
    board. Faulty main 
    board. 
    .H\ERDUGHUURUIf an external keyboard 
    is being used, a cable 
    or connector may be 
    loose or the keyboard 
    may be faulty. If the 
    built-in keyboard is 
    being used, it may be 
    faulty. A key on the 
    built-in keyboard may 
    have been pressed 
    while the computer 
    was booting.Built-in keyboard: faulty 
    keyboard or key 
    pressed while com-
    puter booting. 
    External keyboard: 
    cable or connector 
    loose. Faulty keyboard 
    or key pressed while 
    computer booting.
    2SHUDWLQJV\VWHP
    QRWIRXQGThe operating system 
    may be corrupted. Or, 
    the operating system 
    cannot be found on the 
    hard-disk drive or on 
    the diskette in the dis-
    kette drive.Incorrect drive 
    configuration. Operat-
    ing system not installed 
    on hard-disk drive or 
    diskette drive not 
    bootable. Faulty con-
    nections. Faulty drive. 
    Faulty main board.
    3DULW\FKHFN
    QQQQA parity error was 
    found in the system 
    bus at address 
    nnnn. Faulty main board.
    3DULW\FKHFN
    QQQQA parity error was 
    found in the I/O bus at 
    address 
    nnnn.Faulty main board. 7DEOH6\VWHP(UURU0HVVDJHV
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    RIWKLVGLVNHWWHWRHQVXUHWKDWRQHLVDOZD\VDYDLODEOH
    The Dell Diagnostics contains tests that aid in troubleshooting the computer. 
    The diagnostics diskette contains the following test groups:
    ‡RAM — Tests the main memory
    ‡System Set — Tests the primary functions of the main board
    ‡Video — Tests the video subsystem
    ‡Keyboard — Tests the keyboard subsystem
    ‡Mouse — Tests the mouse/touch pad subsystem
    ‡Diskette Drives — Tests the diskette drive subsystem 5HDOWLPHFORFN
    HUURUThe CMOS battery that 
    supports data stored in 
    NVRAM may be dead.Faulty battery. Faulty 
    main board.
    6KDGRZ5$0IDLOHG
    DWRIIVHWQQQQShadow RAM failed at 
    address 
    nnnn.Faulty or improperly 
    seated memory mod-
    ule. Faulty main board.
    6\VWHPEDWWHU\LV
    GHDGª5HSODFHDQG
    UXQ6HWXSCMOS  battery  dead. Faulty CMOS battery or 
    main board.
    6\VWHPFDFKH
    HUURUªFDFKH
    GLVDEOHGThe primary cache 
    internal to the micro-
    processor has failed.Faulty microprocessor. 
    6\VWHP&026
    FKHFNVXPEDGªUXQ
    6HWXSThe BIOS has been 
    updated.
    CMOS has been cor-
    rupted or modified, 
    possibly by an applica-
    tion program that 
    changes data stored in 
    CMOS.BIOS has been 
    updated.
    Verify correct CMOS 
    settings, save, and exit.
    6\VWHP5$0IDLOHG
    DWRIIVHWQQQQSystem RAM failed at 
    address 
    nnnn in the 
    64-KB block at which 
    the error was detected.Faulty or improperly 
    seated memory mod-
    ule. Faulty main board.
    6\VWHPWLPHU
    HUURUA chip on the system 
    board may be malfunc-
    tioning.Faulty main board. 7DEOH6\VWHP(UURU0HVVDJHV
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    							Beep Codes and Error Messages 3-5
    ‡Hard-Disk Drives (Non-SCSI) — Tests the IDE hard-disk drive subsystem
    ‡IDE CD ROM Drives — Tests a CD-ROM drive subsystem 
    ‡Serial/Infrared Ports — Tests the serial communications port
    ‡Parallel Ports — Tests the parallel communications port
    ‡Audio — Tests the operation of the audio chip set
    Before starting the Dell Diagnostics, you must configure the computer cor-
    rectly. For more information, see “Before You Start Testing” in Chapter 4, 
    “Running the Dell Diagnostics,” of the
     Reference and Troubleshooting Guide.
    Follow these steps to start the diagnostics: 
    1. Install a CD-ROM drive in the options bay.
    2. Turn off the computer.
    3. Place a copy of the 
    Dell Diagnostics Diskette in the diskette drive, and boot 
    the computer.
    Starting the diagnostics causes the Dell logo screen to appear, followed by a 
    message indicating that the diagnostics is loading. Before the diagnostics 
    loads, a program tests the portion of main memory (RAM) required for loading 
    the diagnostics. If a main memory error is detected, a message appears on the 
    screen telling you a memory module has failed.
    If no errors are found in main memory, the diagnostics loads, and the Diag-
    nostics Menu appears. This menu lets you choose the following options or 
    exit to the MS-DOS
    ® prompt:   
    ‡Run All Tests — Runs all tests for a thorough test of the computer
    ‡Run Quick Tests — Runs preselected tests to quickly locate a computer 
    failure or to indicate where further testing is needed to isolate a failure
    ‡Run Specific Tests — Tests a particular area or subsystem of the 
    computer 
    						
    							3-6HOO,QVSLURQ6HUYLFH0DQXDO 
    						
    							Removing and Replacing Parts 4-1
    &+$37(5
    5HPRYLQJDQG5HSODFLQJ3DUWV
    This chapter provides procedures for removing and replacing components and 
    assemblies. Unless other wise noted, each of the procedures in this chapter 
    assumes the following:
    ‡The computer and any attached peripherals are turned off and the peripher-
    als are disconnected from the computer’s I/O panel.
    ‡A part can be replaced or installed by performing the removal procedure in 
    reverse order.
    When performing the procedures in this chapter that require the computer to 
    be open, use a book or something similar to support the display assembly. The 
    angle of the display assembly with respect to the base assembly should not 
    exceed 170 degrees.
    Locations or directions relative to the computer are shown in Figure 4-1 unless 
    other wise specified.
    )LJXUH&RPSXWHU2ULHQWDWLRQ
    
    5HFRPPHQGHG7RROV
    Most of the procedures require the use of one or more of the following tools:
    ‡Small flat-blade screwdriver
    ‡Number 1 Phillips-head screwdriver
    ‡Antistatic grounding strap
    ‡Dental pick
    right side  
    left side 
    back of computer
     
    front of computer 
    						
    							4-2HOO,QVSLURQ6HUYLFH0DQXDO
    ‡Small scribe or nylon flat blade
    ‡Nut driver (5 mm and 5.5 mm)
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    KROHDQGDYRLGRYHUWLJKWHQLQJ
    Where applicable, information about screw lengths is provided in illustrations. 
    Before installing a screw, match the screw to the screw length graphics in 
    Figure 4-2 to check for correct length.
    
    )LJXUH6FUHZ,GHQWLILFDWLRQ
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    Before performing any of the procedures in this chapter, read the following 
    warning.
    :$51,1*)25
    						
    							Removing and Replacing Parts 4-3
    Precautionary measures include disconnecting the computer from the AC 
    adapter and port replicator and removing the main battery, PC Cards, hard-disk 
    drive, memory module cover, video card cover, memory modules, and devices 
    in the options bay.
    To take these precautionary measures, follow these steps:
    1. Determine the power state of the computer.
    If the system is on, go to step 2.
    If you are unsure whether the system is on, shut down and restart the sys-
    tem, and then go to step 2.
    2. Turn off any attached peripherals, and then shut down the computer.
    3. Disconnect the computer and any attached peripherals from electrical out-
    lets to reduce the potential for personal injury or shock.
    If the computer has an AC adapter, disconnect the AC power cable from 
    the electrical outlet and then from the AC adapter; then disconnect the AC 
    adapter from the computer (see Figure 4-3) or from the Inspiron Port 
    Replicator II.
    
    )LJXUH$&$GDSWHU5HPRYDO
    4. If the computer is connected to a port replicator, pull both release handles 
    on the sides of the replicator to undock the computer (see Figure 4-4).
    AC p owe r 
    cable
    AC adapter
    AC adapter 
    cable AC adapter
    connector 
    						
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    5. Remove the main battery from the battery compartment.    
    Unlock the latch lock on the bottom of the computer by flipping it toward 
    the back of the computer (see Figure 4-5). Slide the latch release in the 
    direction of the arrow. Keep holding the latch release with one hand while 
    pulling the battery out of the compartment with the other.
    )LJXUH0DLQ%DWWHU\5HPRYDO
    The plastic front bezel on the battery slides back and forth, which allows it 
    to be used in the options bay as a secondary battery, and can be removed.
    On the back of the battery is a battery charge gauge. The five charge-level 
    lights indicate the total battery charge, ranging from fully charged to com-
    pletely discharged. Press the status button to the right of the lights to 
    check the level of the total battery charge. See “Battery Charge Gauge” in 
    Chapter 1 for more information.
    release 
    handles (2)
    latch 
    release
    batterylatch lock 
    (unlocked 
    position) bottom of computer 
    						
    							Removing and Replacing Parts 4-5
    6. Remove any PC Cards.   
    To remove a type I or type II PC Card from the top connector (see 
    Figure 4-6), press the top eject button twice. To remove a type 1 or type II 
    PC Card from the bottom connector, press the bottom eject button twice. 
    To remove a type III card, press the bottom eject button twice. 
    NOTE: The first time you press an eject button, the eject button itself pops 
    out. The second time you press the eject button, the PC Card is released 
    and extends slightly from the slot.
    Grasp the end of the card, and pull it completely from the slot.
    .
    )LJXUH3&&DUG5HPRYDO
    7. Remove the hard-disk drive assembly.
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    &$87,21+DQGOHWKHKDUGGLVNGULYHJHQWO\DQGGRQ·WEXPSRU
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    GDWD
    Loosen the two captive screws that secure the hard-disk drive into the bot-
    tom of the computer. The front edge of the cover pops up slightly. Slide the 
    hard-disk drive toward the front of the computer and then lift the drive out 
    of the computer (see Figure 4-7).
    top eject button
    PC Card 
    						
    							4-6HOO,QVSLURQ6HUYLFH0DQXDO
    )LJXUH+DUGLVNULYH5HPRYDO
    8. Remove the video card and memory module covers.
    Slide the video card cover as far as it will go in the direction of the arrow, 
    and then remove the cover (see Figure 4-8). Remove the memory module 
    cover in the same way.
    )LJXUH0HPRU\0RGXOHDQG9LGHR&DUG&RYHU5HPRYDO
    To replace a cover, place it over the opening, leaving a small gap along the 
    rounded edge, and then slide the cover toward the outside of the 
    computer until it snaps into place.
    hard-disk 
    drive bottom of computer
    hinge
    captive 
    screws (2)
    memory module 
    coverbottom of computer
    video card cover 
    						
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