Home > Apple > Display > Apple imac 20 inch early 2009 User Manual

Apple imac 20 inch early 2009 User Manual

    Download as PDF Print this page Share this page

    Have a look at the manual Apple imac 20 inch early 2009 User Manual online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 195 Apple manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.

    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Mass Storage 51 2010-11-24
    Optical Drive Not Recognized
    Unlikely cause:  LCD panel, power supply, fans, speakers, camera, microphone
    Quick Check
    SymptomsQuick Check
    Drive Not Recognized/Mount 
    (J05)
    •  Discs inject and eject, but do 
    not appear in Finder 1.
      Use Apple System Profiler Serial-ATA section to 
    see if the optical drive and any inserted media 
    appears.
    2.  Check Finder Preferences and make sure “CD’s, 
    DVD’s and iPods” is checked under “Show these 
    items on the desktop” in the General section.
    3.   Check both CD and DVD media. If only one type 
    of media is recognized, there is a laser issue. 
    Replace optical drive (J03).
    Deep Dive
    Check ResultAction Code
    1.   Is the optical drive listed in the 
    Serial-ATA section of the Apple 
    System Profiler? Yes
    Go to step 2.
    No Go to step 3.
    2.  Test both CD and DVD media. 
    Can drive read both CD media 
    and DVD media? Yes
    Go to step 6.
    No Drive has a laser issue. 
    Replace the optical drive. If 
    both types media fail, check 
    Finder Preferences then go to 
    step 3. J03
    3.   Reseat SATA cable connections 
    at logic board and optical drive. 
    Do both types of media read 
    reliably now? Yes
    Go to step 6.
    No Go to step 4.
    4.  Connect known-good optical 
    drive to SATA cable. Do both 
    types of media reliably read 
    now? Yes
    SATA cable and port on logic 
    board good. Go to step 5.
    No Replace SATA cable and test 
    (X03). If issue persists, replace 
    logic board (M19). Go to step 
    6.  
    						
    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Mass Storage 52 2010-11-24
    5.  Connect original optical drive 
    to known-good SATA cable. Do 
    both types of media reliably 
    read now? Yes
    SATA cable issue. Replace 
    SATA cable. Go to step 6. X03
    No Go to step 2.
    6.  Test read compatible known-
    good CD and DVD media 
    (Install DVD). Verify media is 
    recognized and reads reliably. Yes
    Issue resolved.
    No Replace optical drive.  J03
    Optical Drive Won’t Accept/Eject Media
    Unlikely cause:  LCD panel, power supply, fans, speakers, camera, microphone
    Quick Check
    Symptoms Quick Check
    Drive Won’t Accept Media (J01) 
    Drive Won’t Eject Media (J02)
    •  Cannot insert a disc into the 
    drive
    •  Cannot eject a disc placed into 
    the drive
    1.  Use Apple System Profiler Serial-ATA section 
    to see if  the optical drive appears. If not, go to 
    Optical Drive Not Recognized.
    2.  Restart computer and hold down mouse button 
    or keyboard eject key to cycle optical drive. 
    3.   Inspect optical drive slot for obstructions.
    Deep Dive
    Check ResultAction Code
    1.   Verify that optical drive is listed 
    in the System Profiler device 
    tree for Serial-ATA devices. Yes
    Optical drive communicating 
    with logic board. Go to step 5.
    No Logic board not 
    communicating with optical 
    drive. Go to step 2.
    2.  Verify all connection between 
    logic board, flex cable, and 
    optical drive are secure. Visually 
    inspect cables and connectors 
    for any debris, damage or bent 
    pins. Verify that the optical 
    drive is listed in the System 
    Profiler device tree. Yes
    Optical drive communicating 
    with logic board. Go to step 5.
    No Replace damaged cables 
    and retest. If connections 
    are good and with no visible 
    cable damage, go to step 3. X03  
    						
    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Mass Storage 53 2010-11-24
    3.  Connect known-good optical 
    drive to SATA cable. Verify that 
    known-good optical drive is 
    listed in the System Profiler 
    device tree. Yes
    Go to step 4.
    No Suspect SATA cable.  
    Go to step 7.
    4.  With known-good optical drive 
    installed, test for media inject/
    eject. Verify drive accepts and 
    ejects known-good media. Yes
    Known-good optical drive 
    resolved inject/eject issue. 
    Replace optical drive.  J03
    No Go to step 7.
    5.   Inspect optical drive slot during 
    disc insert/ eject. Verify that 
    discs can be inserted easily. Yes
    Go to step 6.
    No Replace damaged optical 
    drive. Note: It may be possible 
    to reinstall the optical drive 
    bezel to correct this issue. J03
    6.  With known-good optical 
    media (Install disc), test for 
    media inject/eject. Does drive 
    accept and eject known-good 
    media? Yes
    Media issue. No repair 
    necessary. Suggest user 
    investigate use of different 
    media.
    No Go to step 3.
    7.   Replace SATA cable then test 
    for media inject/eject. Does 
    drive inject and eject known-
    good media?  Yes
    SATA cable resolved issue. 
    Return system to user. X03
    No SATA cable verified or 
    replaced, and optical drive 
    verified or replaced. Replace 
    logic board and retest. M19  
    						
    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Mass Storage 54 2010-11-24
    Optical Drive Read/Write Error
    Unlikely cause:  LCD panel, power supply, fans, speakers, camera, microphone
    Quick Check
    SymptomsQuick Check
    Drive Read/Write Data Error (J03)
    •  Errors when writing optical 
    media.
    •  Errors when reading optical 
    media.
    •  Hang when accessing or 
    preparing to write data. 1.
      Test optical media in another drive of the same 
    type in the same type of computer to rule out 
    media issue.
    2.  Check with known-good discs like the Install 
    discs that came with the computer.
    3.   For write issues, check with known-good media 
    that performs well in another computer and 
    optical drive of the same type.
    4.  Check both CD and DVD media. If only one type 
    of media is producing errors, there is a laser issue. 
    Replace optical drive (J03).
    Deep Dive
    Check ResultAction Code
    1.   Is media free to spin without 
    optical drive scraping edge or 
    surface of media? Yes
    Go to step 2.
    No Replace optical drive. J05
    2.  Test both CD and DVD media. 
    Can drive read both CD media 
    and DVD media? Yes
    Go to step 6.
    No Drive has a laser issue. 
    Replace the optical drive. If 
    both types media fail, go to 
    step 3. J03
    3.   Reseat SATA cable connections 
    at logic board and optical drive. 
    Do both types of media read 
    reliably now? Yes
    Go to step 6.
    No Go to step 4.
    4.  Connect known-good optical 
    drive to SATA cable. Do both 
    types of media reliably read 
    now? Yes
    SATA port on logic board 
    good. Go to step 5.
    No SATA port on logic board bad. 
    Replace logic board. M19
    5.   Connect original optical drive 
    to known-good SATA cable. Do 
    both types of media reliably 
    read now? Yes
    SATA cable issue. Replace 
    SATA cable. Go to step 6. X03
    No Replace optical drive.  J03  
    						
    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Mass Storage 55 2010-11-24
    6. Test write data to compatible 
    CD and DVD media. Verify 
    burned media is recognized 
    and reads reliably. Yes
    Issue resolved.
    No Replace optical drive.  J03
    Optical Drive Not Performing to Specifications
    Unlikely cause:  LCD panel, power supply, fans, speakers, camera, microphone
    Quick Check
    Symptoms Quick Check
    Optical Drive Not Performing to 
    Specifications (J07)
    •  Read or write speeds slower 
    than expected 1.
      Test optical media in another drive of the same 
    type in same type of computer to rule out media 
    issue. 
    2.  For write issues, check with known-good media 
    that performs well in another computer and drive 
    of the same type.
    3.   Check both CD and DVD media. If only one type 
    of media is producing errors, you have a laser 
    issue. Replace the optical drive (J05)
    Deep Dive
    Check ResultAction Code
    1.   Test both CD and DVD media. 
    Can drive read both CD media 
    and DVD media? Yes
    Go to step 6.
    No Drive has a laser issue. 
    Replace the optical drive. If 
    both types media fail, go to 
    step 3. J03
    2.  Reseat SATA cable connections 
    at logic board and optical drive. 
    Do both types of media read 
    reliably now? Yes
    Go to step 6.
    No Go to step 4.
    3.   Connect known-good optical 
    drive to SATA cable. Do both 
    types of media reliably read 
    now? Yes
    SATA cable and port on logic 
    board good. Go to step 5.
    No Replace SATA cable and test 
    (X03). If issue persists, replace 
    logic board (M19). Go to step 
    6.  
    						
    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Mass Storage 56 2010-11-24
    4. Connect original optical drive 
    to known-good SATA cable. Do 
    both types of media reliably 
    read now? Yes
    SATA cable issue. Replace 
    SATA cable. Go to step 6. X03
    No Replace optical drive.  J03
    5.   Test write data to compatible 
    CD and DVD media. Verify 
    burned media is recognized 
    and reads reliably. Yes
    Issue resolved.
    No Go to step 7. J03
    6.  The balance of some media 
    may not perform at higher 
    speeds supported by the drive. 
    Does slowing the requested 
    burn speed allow the discs to 
    write reliably? Yes
    Media issue. No repair 
    necessary. 
    No Replace optical drive.  J07
    Optical Drive Noisy
    Unlikely cause:  LCD panel, power supply, fans, speakers, camera, microphone
    Quick Check
    Symptoms Quick Check
    Optical Drive Noisy (J04)
    •  Noise during boot
    •  Noise during operation
    •  Noise when drive is copying or 
    writing data  1.
      Test optical media in another drive of the same 
    type in same model of computer to rule out 
    media issue. 
    2.  Test with known-good discs like the Install discs 
    that came with the computer.
    3.   Check to see if noise occurs without media in the 
    drive. If so, check if hard drive (H06) or fan (M18) 
    caused noise.
    Deep Dive
    Check ResultAction Code
    1.   Test both CD and DVD media. 
    Can drive read both CD media 
    and DVD media? Yes
    Go to step 6.
    No Drive has a laser issue. 
    Replace the optical drive. If 
    both types media fail, go to 
    step 3. J03  
    						
    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Mass Storage 57 2010-11-24
    2. Reseat SATA cable connections 
    at logic board and optical drive. 
    Do both types of media read 
    reliably now? Yes
    Go to step 6.
    No Go to step 4.
    3.   Connect known-good optical 
    drive to SATA cable. Do both 
    types of media reliably read 
    now? Yes
    SATA cable and port on logic 
    board good. Go to step 5.
    No Replace SATA cable and test 
    (X03). If issue persists, replace 
    logic board (M19). Go to step 
    6.
    4.  Connect original optical drive 
    to known-good SATA cable. Do 
    both types of media reliably 
    read now? Yes
    SATA cable issue. Replace 
    SATA cable. Go to step 6. X03
    No Replace optical drive.  J03
    5.   Test write data to compatible 
    CD and DVD media. Verify 
    burned media is recognized 
    and reads reliably. Yes
    Issue resolved.
    No Go to step 7 J03
    6.  The balance of some media 
    may not perform at higher 
    speeds supported by the drive. 
    Does slowing the requested 
    burn speed allow the discs to 
    write reliably? Yes
    Media issue. No repair 
    necessary. 
    No Replace optical drive.  J07
    Uncategorized Symptoms
    Check ResultAction Code
    1.   Verify whether existing 
    symptom code applies to the 
    issue reported by the user. Yes
    Jump to appropriate 
    symptom code flow.
    No
    Document reported failure 
    and send feedback to 
    [email protected] 
    stating that a suitable 
    symptom code wasn’t found. 
    Provide as much detail as 
    possible. N99  
    						
    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Communications 58 2010-11-24
    Communications
    AirPort/Bluetooth Issues
    Quick Check
    SymptomsQuick Check
    AirPort/Bluetooth Issues
    •  Unable to join networks or pair 
    devices
    •  AirPort card not available
    •  Intermittent device or 
    connection dropouts
    •  Limited wireless range
    1.  Verify that AirPort or Bluetooth is turned ON and 
    for AirPort issues make sure that a network is 
    selected.
    2.  For AirPort, check if the wireless access point 
    requires special connection and encryption 
    protocols.
    3.   Check for nearby sources of interference such as 
    microwave ovens or cordless phones. See kBase 
    article http://support.apple.com/kb/HT1365
    4.  Check the number of users trying to use AirPort 
    in the area for possible network congestion 
    (available bandwidth).
    5.   Isolate potential OS issues by starting up from 
    the original Install media for the computer, the 
    same model computer in Target Disk Mode, or 
    compatible known-good OS on an external drive. 
    Both AirPort and Bluetooth services are available 
    when booted from the Install disc.
    Deep Dive
    Check ResultAction Code
    1.   Open System Profiler. AirPort 
    is listed under Network, while 
    Bluetooth is listed under USB. Is 
    AirPort/Bluetooth recognized? Yes
    Install all software updates for 
    AirPort/Bluetooth.  
    AirPort, go to step 3. 
    Bluetooth, go to step 4.
    No Remove and reinstall the 
    AirPort/Bluetooth card and 
    retest. If still unrecognized, 
    replace the AirPort/Bluetooth 
    card. Go to step 2. M11  
    						
    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Communications 59 2010-11-24
    2. Ensure that antenna cable(s) 
    are connected properly and 
    not damaged, and all software 
    updates available for AirPort/
    Bluetooth have been installed. 
    Do connection issues persist? Yes
    AirPort, go to step 3. 
    Bluetooth, go to step 4.
    No Issue resolved.
    3.  Create a computer-to-
    computer network with 
    another Macintosh computer 
    using AirPort. See kBase article 
    http://docs.info.apple.com/
    article.html?path=AirPort/5.0/
    en/ap2110.html. Can you 
    connect successfully? Yes
    Network or channel issue.  
    Go to step 5.
    No Double check any password 
    required. Try connecting 
    another known-good 
    computer to the network. 
    If test computers connect, 
    replace AirPort card.  
    Go to step 6. M11
    4.  Make sure that your Bluetooth 
    device is in discoverable mode, 
    and that your computer is also 
    in discoverable mode. Can you 
    successfully and reliably pair a 
    device now? Yes
    Issue resolved.
    No Replace Bluetooth card.  
    Go to step 6. M11
    5.   Try connecting to a known-
    good network that does not 
    require password or has MAC 
    address filtering enabled. Can 
    you connect to a network 
    reliably now? Yes
    Troubleshoot local network. 
    Possible password or MAC 
    address filtering issue.
    No Replace AirPort card.  
    Go to step 6 M11
    6.  With the AirPort/Bluetooth card 
    replaced and antenna cable 
    inspected for damage and 
    replaced if necessary, are the 
    connection issues resolved? Yes
    Issue resolved.
    No Replace logic board. M11  
    						
    							iMac (20-inch, Early/Mid 2009) Symptom Charts — Communications 60 2010-11-24
    AirPort Card Kernel Panic
    Quick Check
    SymptomsQuick Check
    AirPort Card Kernel Panic
    •  Kernel panic on startup
    •  Kernel panic or freezing while 
    attempting to connect to wi-fi 
    networks
    •  Kernel panic while transferring 
    data on wi-fi networks 1.
      Isolate OS by starting up from original Install 
    media for the computer, the same model 
    computer in Target Disk Mode, or compatible 
    known-good OS on an external drive. AirPort 
    service is available when booted from the Install 
    disc.
    2.  Ensure that all software and firmware updates for 
    the computer and AirPort been installed.
    Deep Dive
    Check ResultAction Code
    1.   Remove AirPort card. Does 
    computer start without kernel 
    panic? Yes
    Reseat AirPort card and retest. 
    If problem continues replace 
    AirPort card. Go to step 2.
    No
    Possible logic board issue. 
    Go to Kernel Panic/System 
    Crashes.
    2.  With replacement AirPort card 
    installed, does computer start 
    without kernel panic? Yes
    AirPort card issue. Issue 
    resolved. N13
    No
    Possible logic board issue. 
    Go to Kernel Panic/System 
    Crashes.  
    						
    All Apple manuals Comments (1)

    Related Manuals for Apple imac 20 inch early 2009 User Manual