Apple imac 21 5 inch late 2009 User Manual
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iMac (21.5-inch, Late 2009) Symptom Charts — Communications 71 2010-11-18 3. After cable has been replaced, verify if AirPort card is now listed in System Profiler. Yes Issue resolved by replacing AirPort cable. X03 No Replace AirPort card carrier board and re-test. If issue persists (card not seen on bus), replace AirPort card. M11 4. Enable AirPort and verify if known local AirPort networks are available, or create a computer-to-computer network with another Macintosh computer using AirPort. See http://docs. info.apple.com/article. html?path=AirPort/5.0/en/ ap2110.html. Verify if you connect successfully. Yes Issue resolved. No Go to step 5. 5. Check and reseat the two antennas to the AirPort card. Verify if you can connect to known AirPort network. Yes Issue resolved. No Replace AirPort card. If issue persists, replace AirPort antenna(s). If damaged antenna is the one embedded in rear housing behind Apple logo, replace rear housing. N04 6. Verify that computer and Bluetooth device are both in discoverable mode. Verify if you can now successfully and reliably pair the device. Yes Issue resolved. No Replace Bluetooth antenna. Go to step 7. M11 7. Re-test with new Bluetooth antenna and verify if Bluetooth issues are resolved. Yes Issue resolved. No Replace Bluetooth card. M11
iMac (21.5-inch, Late 2009) Symptom Charts — Communications 72 2010-11-18 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 WiFi networks • Kernel Panic while transferring data on WiFi networks 1. Isolate OS by starting up from original Install media for this computer, a same-model computer in Target Disk Mode, or compatible known-good OS on an external drive. AirPort and Bluetooth services are available when booted from the Install disk. 2. Ensure that all software and firmware updates for the computer and AirPort been installed. Deep Dive Check ResultAction Code 1. Disconnect AirPort card cable end from logic board. Verify if computer starts now without kernel panic. Yes Reseat AirPort card cable and retest. If problem continues replace cable. Go to step 2. No Kernel panic not related to AirPort. Restart from Install DVD or known-good bootable external drive and check Panic.Log file on user’s hard drive to find out which is the crashing I/O interface. Also troubleshoot installed Mac OS X software.. 2. With replacement AirPort card cable installed, verify if computer starts now without kernel panic. Yes AirPort cable issue. Issue resolved. N13 No Replace AirPort card carrier board and re-test. If issue remains, replace AirPort card. Go to step 3. 3. With replacement AirPort carrier or card installed, verify if computer starts now without kernel panic. Yes AirPort carrier or card issue. Issue resolved. N13 No Replace logic board. M11
iMac (21.5-inch, Late 2009) Symptom Charts — Communications 73 2010-11-18 Ethernet Port/Device Issue Unlikely cause: LCD display, power supply, hard drive, optical drive, fans Quick Check SymptomsQuick Check Ethernet Port/Device Issue • No Ethernet device present • Unable to access network resources • Ethernet device shows no connection • Ethernet device unable to an IP address • Slow network performance 1. Verify if Ethernet cable is inserted into port correctly. Check Ethernet cable for damage. Try a known good Ethernet cable – CAT5 or better recommended for 100Mbps+ connections. 2. Check Ethernet ports on the computer and wall/ switch for dust, debris, damage or bent pins. 3. Ensure distance from networking infrastructure is less than 300 feet/ 105 meters. 4. Verify port, cable and network hardware with a known good system. Isolate firewall, MAC address filtering or hardware access control devices. 5. Isolate OS by starting up from original Install media for this computer, a same-model computer in Target Disk Mode, or compatible known-good OS on an external drive. Deep Dive Check ResultAction Code 1. Visually inspect Ethernet port of computer and ensure that all pins will make physical contact with the Ethernet cable. Yes Go to step 2. No Pins are damaged, bent flat or missing. Replace logic board. M24 2. Boot from original Install media. Verify Network Link status is active by using Network Utility under the “Info” tab. Verify if the Link Status is “Active”. Yes Go to step 3. No If same Ethernet cable gives an “Active” link status on a known-good, same-model computer, replace logic board. M10 3. Connect computer to another Mac using CAT5 Ethernet cable. See article http:// docs.info.apple.com/article. html?path=Mac/10.5/en/8429. html. Verify if you connect successfully. Yes Ethernet communication good. Go to step 4. No If same Ethernet cable and computer connects to a known-good, same-model computer, replace logic board. M10
iMac (21.5-inch, Late 2009) Symptom Charts — Communications 74 2010-11-18 4. Check for speed and duplex issues on network. Open System Preference > Network; click the Advanced button, then the Ethernet tab. Verify if the speed and duplex reported are what is expected. Yes Go to step 5. No Change speed and duplex settings. See article http:// docs.info.apple.com/article. html?path=Mac/10.5/ en/8711.html. Go to step 6. 5. Check for MTU (Maximum Transmission Unit) issues. See kBase #HT2532: Mac OS X 10.4 or later: How to change the MTU for troubleshooting purposes. Verify if changing MTU settings on computer resolves issue. Yes Go to step 6. No Ethernet controller damaged. Replace logic board. M10 6. If changing speed, duplex or MTU settings allows connectivity, check with a known-good, same-model computer. Verify if known-good computer produces the same results. Yes Check with ISP or Network Administrator concerning speed, duplex & MTU settings. No Verify with known good OS. If issue persists, replace logic board. M10 Wireless Input Device Doesn’t Pair Quick Check Symptoms Quick Check Wireless Input Device Doesn’t Pair • Can’t get system to recognize Bluetooth keyboard or mouse 1. Remove and reinstall batteries for device. 2. Check that device is powering on. 3. Use known-good batteries with device. 4. Ensure that device is being used within 30-foot range for Bluetooth devices. 5. Ensure that the latest Software Updates have been applied.
iMac (21.5-inch, Late 2009) Symptom Charts — Communications 75 2010-11-18 Deep Dive CheckResultAction Code 1. Without any wired input devices connected, and with a wireless mouse in discoverable mode, startup computer. Verify if computer shows Bluetooth Mouse Setup Assistant. Yes Bluetooth hardware is active. Go to step 6. No Go to step 2. 2. Connect a wired mouse and run System Profiler. Verify if Bluetooth interface is listed under USB in System Profiler. Yes Bluetooth hardware is present. Go to step 6. No Remove glass and LCD panel, reseat both ends of cable between Bluetooth board and logic board. Go to step 3. 3. Use an external monitor. Run System Profiler. Verify if Bluetooth interface is listed under USB in System Profiler. Yes Bluetooth hardware is now present. Go to step 6. No Replace Bluetooth cable. Go to step 4. X03 4. Run System Profiler. Verify if Bluetooth interface is listed under USB in System Profiler. Yes Bluetooth hardware is now present. Go to step 6. No Replace Bluetooth board. Go to step 5. M11 5. Run System Profiler. Verify if Bluetooth interface is listed under USB in System Profiler. Yes Bluetooth hardware is now present. Go to step 6. No Replace logic board. M11 6. Run Software Update and apply any available Bluetooth updates. Activate Bluetooth in System Preferences (or Apple menu icon) then select “Configure a new Bluetooth device” (or run Bluetooth Mouse Setup Assistant). Verify if Bluetooth mouse is seen. Yes Bluetooth discovery is now active. Go to step 7. No Replace Bluetooth antenna. X03 7. With a wireless mouse on, and in discoverable mode, verify if you can successfully pair mouse with the assistant. Yes Check for stability. Go to step 8. No Go to Wireless Input Device Loses Connection symptom flow.
iMac (21.5-inch, Late 2009) Symptom Charts — Communications 76 2010-11-18 8. With wireless mouse paired, verify if mouse stays connected. Yes Issue resolved. No Inspect and reseat Bluetooth antenna cable. Replace a damaged antenna cable, or Bluetooth board if its antenna connector is damaged. Go to step 9. 9. With wireless mouse paired, verify if mouse stays connected. Yes Antenna issue. Issue resolved. No Go to Wireless Input Device Loses Connection symptom flow. Wireless Input Device Loses Connection Quick Check Symptoms Quick Check Wireless Input Device Loses Connection • Wireless keyboard, mouse, or other wireless input device loses connection. 1. Remove and reinstall batteries for device. 2. Check that device is powering on. 3. Use known-good batteries with device. 4. Ensure other devices pair and keep connection without issue. If not, see AirPort/Bluetooth Issues symptom flow. 5. Ensure that device is being used within 30-foot range for Bluetooth devices. 6. Ensure that the latest Software Updates have been applied. Deep Dive Check ResultAction Code 1. Open System Preferences > Bluetooth. Paired items and their connection status are shown. Verify if device is listed. Yes Device has been paired. Go to step 2. No Device is not paired. Make device discoverable and open Bluetooth Setup Assistant. Go to step 3.
iMac (21.5-inch, Late 2009) Symptom Charts — Communications 77 2010-11-18 2. Make sure device is on. In System Preferences > Bluetooth, select device and from the Action menu (gear) choose “Connect”. Verify if device connects successfully. Yes Go to step 7. No Delete pairing in System Preferences. Go to step 3. 3. With the device on, run Bluetooth Setup Assistant. Verify if you can successfully pair the device. Yes Go to step 7. No Restart computer. Go to step 4. 4. With device on, run Bluetooth Setup Assistant. Verify if you can successfully pair device. Yes Go to step 7. No Create a new Admin User. Go to step 5. 5. Log into new Admin User account. With device on, run Bluetooth Setup Assistant. Verify if you can successfully pair device with new user account. Yes User account issue. Troubleshoot software on User account. No hardware repair needed. No Remove the following file: / Library/Preferences/com. apple.Bluetooth.plist Go to step 6. 6. Restart computer, With device on, run Bluetooth Setup Assistant. Verify if you can successfully pair device. Yes Go to step 7. No Go to AirPort/Bluetooth Issues symptom flow. 7. With device paired and connected, verify if device connection is stable if used normally. Yes Issue resolved. No Check wireless device manual to verify if device is being used in accordance with manufacturer’s specifications (range, OS support, battery types). Go to step 8. 8. Verify if device is performing to stated specifications. Yes Educate user. Issue resolved. No Replace wireless device.
iMac (21.5-inch, Late 2009) Symptom Charts — Communications 78 2010-11-18 Uncategorized Symptoms Quick Check SymptomsQuick Check Uncategorized Symptoms • Unable to locate appropriate symptom code. 1. Verify System Preferences/Network settings are configured appropriately to support communication method. 2. For Ethernet connection issues verify that cable being used functions when used with another known-good system. 3. For wireless connection issues review user environment to determine whether possible interference from other 2.4GHz or 5GHz communications devices might be contributing to issue. See kBase #HT1365: AirPort and Bluetooth: Potential sources of interference for wireless devices and networks. Deep Dive Check ResultAction Code 1. Verify if existing symptom code applies to issue reported by 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 (21.5-inch, Late 2009) Symptom Charts — Input/Output Devices 79 2010-11-18 Input/Output Devices Apple Remote Inoperable Unlikely cause: LCD display, power supply, hard drive, optical drive, fans Quick Check SymptomsQuick Check Apple Remote Inoperable • Apple Remote doesn’t bring up Front Row • Apple Remote doesn’t control iTunes • Apple Remote doesn’t control computer volume 1. Make sure Apple Remote is within 30 ft. of computer, and has an unobstructed line-of-sight to computer. 2. Make sure lens end of Apple Remote is pointing directly at front of computer. 3. Make sure “Disable remote control infrared receiver” checkbox in System Preferences > Security is not checked. 4. Ensure that all software and firmware updates for this model have been installed to take advantage of any available bug fixes. Deep Dive Check ResultAction Code 1. Open Photo Booth or iChat’s video preview window. Point Apple Remote at built-in camera and press any button on Apple Remote. Verify if a white, flashing light is visible in video preview. Yes Apple Remote is functioning. Go to step 2. No Replace Apple Remote battery. Go to step 3. 2. Open System Preferences > Security. Verify if “Unpair” setting is available in this preference panel. Yes Click “Unpair” button to disable possible pairing with another Apple Remote. Go to step 4. No Possible IR board issue. Go to step 5. 3. With replacement battery, verify if white flashing light is visible coming from Apple Remote in video preview window. Yes Battery issue. Issue resolved. X05 No Apple Remote defective. Replace Apple Remote. X04
iMac (21.5-inch, Late 2009) Symptom Charts — Input/Output Devices 80 2010-11-18 4. After clicking “Unpair”, verify if the computer now responds to the Apple Remote. Yes Pairing issue. Issue resolved. No Possible IR board issue. Go to step 5. 5. Open System Profiler. Verify if “IR Receiver” is listed in USB list of devices. Yes IR board reporting on USB bus. Check for lens block. Go to step 6. No Inspect and reseat IR cable connection to logic board. Go to step 7. 6. Check that IR board is correctly fitted and aligned with Apple window and that lens is not blocked by any foreign material and re-test. Verify if computer responds to Apple Remote. Yes Lens blocked or sensor not aligned with window. Issue resolved. X03 No Lens damaged or inoperable. Replace IR board. Go to step 7. 7. After reseating or replacing IR board, verify if “IR Receiver” is listed under USB in System Profiler, and that computer now responds to Apple Remote. Yes IR module reseated/replaced. Issue resolved. X03 No If IR board was only reseated, replace IR cable. Go to step 8. 8. After replacing IR cable, verify if “IR Receiver” is listed under USB in System Profiler, and that computer now responds to Apple Remote. Yes IR cable replaced. Issue resolved. X03 No Replace IR board. Go to step 9. 9. After replacing IR board, verify if “IR Receiver” is listed under USB in System Profiler, and that computer now responds to Apple Remote. Yes IR board replaced. Issue resolved. X03 No Replace logic board. M23