Apple imac 21 5 inch late 2009 User Manual
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iMac (21.5-inch, Late 2009) Symptom Charts — Mass Storage 61 2010-11-18 Optical Drive Not Recognized Unlikely cause: LCD panel, power supply, fans, speakers, camera, microphone Quick Check SymptomsQuick Check Drive Not Recognized/Mount • Discs inject and eject, but do not appear in Finder 1. Use System Profiler Serial-ATA section to see if optical drive appears. 2. System Profiler Serial-ATA section will show any media inserted. 3. 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. Deep Dive Check ResultAction Code 1. Verify if optical drive is listed in Serial-ATA section of System Profiler. Yes Go to step 2. No Go to step 3. 2. Test both CD and DVD media. Verify if optical drive can read both CD and DVD media. Yes No issue, or possible intermittent issue. Gather more information from user. No If both types of media fail, check that Finder Preferences are set to “show CD’s and DVD’s”, then go to step 3. If only one type of media fails, drive has a laser pickup issue. Replace optical drive. J03 3. Connect known-good optical drive to SATA cable. Verify if both CD and DVD media are read reliably. Yes SATA cable and port on logic board good. Go to step 5. No Go to step 4. 4. Reseat SATA cable connections at optical drive and logic board (cable connects to back of logic board). Verify if both CD and DVD media are read reliably. Yes Go to step 6. No Replace SATA cable and test. If issue persists, replace logic board. Go to step 6. X03 M19
iMac (21.5-inch, Late 2009) Symptom Charts — Mass Storage 62 2010-11-18 5. Connect original optical drive to known-good SATA cable. Verify if both CD and DVD media are read reliably. Yes SATA cable issue. Replace SATA cable. Go to step 6. X03 No Replace optical drive. J03 6. Test read compatible known- good CD and DVD media (Install DVD). Verify if 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 Drive Won’t Eject Media • Cannot insert a disc into drive • Cannot eject a disc from drive 1. Use System Profiler Serial-ATA section to see if optical drive appears. If not, go to Optical Drive Not Recognized symptom flow. 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 if optical drive is listed in System Profiler device tree for Serial-ATA devices. Yes Optical drive communicating with logic board. Go to step 5. No Go to step 2. 2. Verify SATA cable connections between optical drive and logic board. Visually inspect cables and connectors for any debris, damage or bent pins. Verify if optical drive is listed in 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 no visible cable damage, go to step 3. X03 3. Connect known-good optical drive to SATA cable. Verify if known-good optical drive is listed in the System Profiler device tree. Yes Go to step 4. No Suspect bad SATA cable. Go to step 7.
iMac (21.5-inch, Late 2009) Symptom Charts — Mass Storage 63 2010-11-18 4. With known-good optical drive installed, test for media inject/ eject. Verify if 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 if discs can be inserted easily. Yes Go to step 6. No Verify correct optical drive bezel alignment with enclosure. Reseat optical drive then retest. If issue persists, replace optical drive. J03 6. With known-good optical media (Install DVD), test for media inject/eject. Verify if drive accepts and ejects 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. Verify if drive injects and ejects 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 Optical Drive Read/Write Error Unlikely cause: LCD panel, power supply, fans, speakers, camera, microphone Quick Check Symptoms Quick Check Drive Read/Write Data Error • Errors when writing optical media. • Errors when reading optical media. • Hang when accessing or preparing to write data. 1. Test optical media in a known-good optical drive in the same type of computer to rule out media issue. 2. Check with known-good discs like the Install DVD that came with the computer. 3. For write issues, check with known-good media that performs well in a known-good optical drive in the same type of computer.
iMac (21.5-inch, Late 2009) Symptom Charts — Mass Storage 64 2010-11-18 Deep Dive CheckResultAction Code 1. Verify if media is 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. Verify if drive can read both CD and DVD media. Yes Go to step 6. No If both types of media fail, check that Finder Preferences are set to “show CD’s and DVD’s”, then go to step 3. If only one type of media fails, drive has a laser pickup issue. Replace optical drive. J03 3. Connect known-good optical drive to SATA cable. Verify if both CD and DVD media are read reliably. Yes SATA cable and port on logic board good. Go to step 5. No Go to step 4. 4. Reseat SATA cable connections at optical drive and logic board (cable connects to back of logic board). Verify if both CD and DVD media are read reliably. Yes Go to step 6. No Replace SATA cable and test. If issue persists, replace logic board. Go to step 6. X03 M19 5. Connect original optical drive to known-good SATA cable. Verify if both CD and DVD media are read reliably. Yes SATA cable issue. Replace SATA cable. Go to step 6. X03 No Replace optical drive. J03 6. Test write data to compatible CD and DVD media. Verify if burned media is recognized and read reliably. Yes Issue resolved. No Run ODD sensor and ODD fan tests in ASD: If errors found check ODD sensor and ODD fan connections to logic board (read/write errors may be due to drive being too hot). If no errors are found while running diagnostics, replace optical drive. J03
iMac (21.5-inch, Late 2009) Symptom Charts — Mass Storage 65 2010-11-18 Optical Drive Not Performing to Specifications Unlikely cause: LCD panel, power supply, fans, speakers, camera, microphone Quick Check SymptomsQuick Check Optical Drive Not Performing to Specifications • Read or write speeds slower than expected 1. Test optical media in another computer of the same type 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. Deep Dive Check ResultAction Code 1. Test both CD and DVD media. Verify if optical drive can read both CD and DVD media. Yes Go to step 5. No If both types of media fail, check that Finder Preferences are set to “show CD’s and DVD’s”, then go to step 2. If only one type of media fails, drive has a laser pickup issue. Replace optical drive. J03 2. Connect known-good optical drive to SATA cable. Verify if both CD and DVD media are read reliably. Yes SATA cable and port on logic board good. Go to step 4. No Go to step 3. 3. Reseat SATA cable connections at optical drive and logic board (cable connects to back of logic board). Verify if both CD and DVD media are read reliably. Yes Go to step 5. No Replace SATA cable and test. If issue persists, replace logic board. Go to step 5. X03 M19 4. Connect original optical drive to known-good SATA cable. Verify if both CD and DVD media are read reliably. Yes SATA cable issue. Replace SATA cable. Go to step 5. X03 No Replace optical drive. J03 5. Test write data to compatible CD and DVD media. Verify if burned media is recognized and read reliably. Yes Issue resolved. No Go to step 6.
iMac (21.5-inch, Late 2009) Symptom Charts — Mass Storage 66 2010-11-18 6. Media that is out of balance may not perform well at higher speeds even though higher speeds may be supported by the optical drive. Verify if slowing requested burn speed allows discs to be written reliably. Yes Media issue. No repair necessary. No Go to step 7. 7. Test write data to compatible CD and DVD media. Verify burned media is recognized and reads reliably. Yes Issue resolved. No Run ODD sensor and ODD fan tests in ASD: If errors found check ODD sensor and ODD fan connections to logic board (read/write errors may be due to drive being too hot). If no errors are found while running diagnostics, replace optical drive. J03 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 computer of the same type to rule out media issue. 2. Check with known-good discs like the Install DVD that came with the computer. 3. Verify if noise occurs without media in optical drive. If so, verify if noise made by hard drive or fans. Deep Dive Check ResultAction Code 1. Test optical drive with different source of media. Does the noise issue remain? Yes Go to step 2. No Issue due to unbalanced media. Recommend using different media.
iMac (21.5-inch, Late 2009) Symptom Charts — Mass Storage 67 2010-11-18 2. Reseat optical drive in enclosure. Does noise issue remain? Yes Go to step 3. No Issue resolved by reseating drive in enclosure. 3. Install known-good optical drive in enclosure. Does noise issue remain? Yes Go to step 4. No Replace optical drive. J04 4. Compare system with similar model for optical drive noise in operation and verify that noise level is similar. Yes Noise level of optical drive appears to be within specification. Return system to user. No Check for other causes of noise in the system. SD Card Will Not Insert Into Slot Unlikely cause: LCD panel, logic board, optical drive, hard drive Quick Check Symptom Quick Check SD Card will not insert into slot • SD Memory Card does not fully seat into slot • Card slot does not align with enclosure. 1. The SD card must be a 32 mm by 24 mm by 2.1 mm. You can also use thinner cards, such as Multi Media Cards (MMC). 2. Clear any obstruction in SD card slot. Deep Dive Check ResultAction Code 1. Verify if known-good SD card fits in slot. Yes Ask user to replace defective or out-of-spec SD card. No Loosen the SD card reader screws, then insert known- good SD card again. Go to step 2. 2. Verify if known-good SD card now fits in slot. Yes Tighten SD card reader screws. Go to step 3. No Replace SD card reader and retest. M17
iMac (21.5-inch, Late 2009) Symptom Charts — Mass Storage 68 2010-11-18 3. Verify if SD card now ejects and inserts without issue. Yes Issue resolved by SD card reader alignment. No Replace SD card reader. M17 SD Card Not Recognized Unlikely cause: LCD panel, logic board, optical drive, hard drive Quick Check Symptom Quick Check SD Card Not Recognized • Card does not show up on desktop or in System Profiler 1. Insert user’s SD card into a known-good system and verify that it functions properly. If card cannot be read, contact card manufacturer for support options. 2. Verify SD card slot with known-good SD card. 3. Check correct drivers are installed for user’s SD card type. Standard SD cards are supported by Mac OS X, but others may require specific driver software to be used. Deep Dive Check ResultAction Code 1. Verify if SD card inserts correctly in SD slot. Yes Go to step 2. No Go to SD Card Will Not Insert Into Slot symptom flow. 2. Unlock and insert user’s SD card and verify it shows up on desktop or in System Profiler. Yes Go to step 6. No Go to step 3. 3. Insert a known-good unlocked SD card and verify if read/write capabilities are working. Yes User’s SD card not functioning properly. Contact card manufacturer for support. No Go to step 4.
iMac (21.5-inch, Late 2009) Symptom Charts — Mass Storage 69 2010-11-18 4. Run System Profiler and verify if SD card reader is now listed in USB devices. Yes Go to step 5. No Reseat SD cable at SD card reader and logic board If issue persists, replace SD cable. If issue persists, replace SD card reader. If issue persists, replace logic board. M17 M17 M17 5. Verify if a known-good unlocked SD card can now be correctly read and written. Yes Go to step 6. No Replace SD card reader. M17 6. Lock the user’s SD card and verify if it can’t be written. Yes Issue resolved. No Replace SD card reader. M17 Uncategorized Symptoms 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 — Communications 70 2010-11-18 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 #HT1365: AirPort and Bluetooth: Potential source of interference for wireless devices and networks. 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 original Install media for the computer, a 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 Install disc. Deep Dive Check ResultAction Code 1. Open System Profiler. AirPort is listed under Network, while Bluetooth is listed under USB. Verify if both AirPort and Bluetooth cards are recognized. Yes Install all software updates for AirPort/Bluetooth and re-test. If issue persists after software update, go to step 4 for AirPort, or go to step 6 for Bluetooth. No Go to step 2 for AirPort. Go to step 6 for Bluetooth. M11 2. Reseat both AirPort cable connection on logic board and on AirPort card carrier ends. Verify if AirPort card is now listed in System Profiler. Yes Issue resolved by reaseating AirPort cable. No Replace AirPort cable and re- test. Go to step 3.