Apple macbook 13 inch aluminum late 2008 User Manual
Have a look at the manual Apple macbook 13 inch aluminum late 2008 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+.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 71 2010-06-15 Deep Dive: Vertical/Horizontal Lines CheckResultActionCode 1. Horizontal lines may be related to a failing RAM module. Verify if video issue only happens AFTER the Apple logo and the spinning wheel has appeared. YesIssue only happens AFTER Apple logo and spinning wheel appears. Go to step 2. NoIssues happens since startup. Go to step 5. 2. Start with shift key down (safe mode) to disable system extensions. Verify if issue still happens when booting in safe mode. YesGo to step 5. NoNo video issue when booting in safe mode. Go to step 3. 3. Isolate with only one memory module installed , then with the other one. Test with known-good memory. Verify that issue only happens with specific RAM module(s). YesReplace affected RAM module. X02 NoGo to step 4 4. Isolate with one known-good memory module installed in one of the memory slots. Repeat by testing in the other memory slot with known- good memory module. Verify that issue only happens with specific memory slot on logic board. YesReplace logic board.M07 NoGo to step 5 5. Run Clamshell Service Diagnostic utility and check for LCD panel presence. If not found, reseat the LVDS cable to the logic board internal video output. Is normal video restored? YesIssue resolved by reseating loose LVDS cable.. NoGo to step 6 6. Connect external compatible DisplayPort display (or DisplayPort adapter and display). Verify if correct video appears on external display. YesGo to step 7. NoReplace logic boardM04
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 72 2010-06-15 7. Substitute a known-good display assembly module to test logic board LVDS video output. Is normal video restored? YesReplace display assembly module. L05 NoReplace logic board.M04 Deep Dive: Non-uniform Brightness CheckResultActionCode 1. Determine if brightness uniformity issue is visible after display has warmed up for 15 minutes. YesGo to step 2. NoDisplay backlight can take several minutes to stabilize. 2. Check LVDS cable connection to logic board. YesReseat LVDS cable NoGot to step 3 3. Determine if variation in uniformity appears excessive when compared to another similar unit. YesReplace display assembly.L07 NoExplain to user that LCD appears to meet specifications.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 73 2010-06-15 Defective Camera / Built-in iSight Not Operating Correctly Quick Check SymptomQuick Check Defective Camera • Camera not detected • No green LED for camera • Excessive blooming • Poor white balance • Poor focus • Green image • Image distortion 1. Check for Software Updates. 2. Verify camera lens and glass panel are clear of contaminants. 3. Ask customer about their lighting. Foggy image can be due to off-axis lighting. Low lighting results in poor image quality. 4. Moire patterns in image can be caused by stripes or mesh texture in subject. Deep Dive CheckResultActionCode 1. Launch System Profiler and confirm that “Built-in iSight” is listed under USB High-Speed Bus. YesCamera recognized. Go to step 3 NoGo to step 2. 2. Run Clamshell Service Diagnostic utility and check for all devices presence. If not found, inspect and reseat camera cable on logic board. Is iSight listed in System Profiler? YesCamera recognized. Go to step 3. NoGo to step 4. 3. Launch PhotoBooth. Verify that camera’s green LED is on and image appears normal. YesIssue resolved.. NoGo to step 4. 4. Substitute a known-good display assembly to test logic board camera connection. Is iSight camera operating properly? YesReplace display assembly.X11 NoReplace logic board.M13
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 74 2010-06-15 Blank / No Video Unlikely cause: power adapter, speakers, optical drive, hard drive, fan, microphone, top case, Quick Check SymptomQuick Check Blank / No Video • No video • No backlight 1. Check brightness setting 2. Attach known-good supported external display. 3. Boot from Mac OS X install DVD that came with computer. Deep Dive CheckResultActionCode 1. Verify boot chime present when system restarted. Reset SMC and clear PRAM if necessary for proper start up. Is LCD video present? YesGo to step 3. NoGo to step 2. 2. Connect known-good supported external display. Verify whether image appears on external display when system is booted. YesExternal display detected by system. Go to step 3. NoGo to No Video symptom code flow. 3. Verify if LCD backlight is on by looking for faint glow from display when viewed in darkened room with brightness adjusted to full. YesVideo signal from system to external video is OK, LCD backlight is on. Go to step 5. NoGo to step 4. 4. Shine bright (low heat) flashlight into the front of LCD. Verify if Apple logo on the back of display glows. YesImage present but backlight is not on. Check logic board connections. Go to step 5. NoGo to No Video symptom code flow. 5. Run Clamshell Service Diagnostic utility and check for LCD panel presence. If not found, reseat and verify that the display connection to the logic board is secure. Verify if image is restored after reseating loose connector. YesIssue resolved. NoContinue to test with known- good display assembly. Go to step 6.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 75 2010-06-15 6. Verify LCD video works with a known-good display assembly. YesReplace display assembly.L03 NoGo to No Video symptom code flow. Backlight Issue / No Backlight Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, microphone, top case, Quick Check SymptomQuick Check Backlight Issue / No Backlight • Display not illuminated • Flashing, unstable, or non- uniform backlight • Poor backlight at some or all settings Check that brightness setting is above minimum. Deep Dive CheckResultActionCode 1. Connect external display, clear PRAM to set brightness to default level and verify if Color LCD is listed in the System Profiler’s Graphics/Displays device tree. YesDisplay panel detected by system. Go to step 3. NoGo to step 2. 2. Unplug and reseat the LVDS cable at the logic board. Repeat verification in System Profiler. YesDisplay panel detected by system. Go to step 3. NoGo to step 4. 3. Darken room and verify backlight by detecting if any glow is emitted from the Apple logo on the back of display YesBacklight operating. Go to step 5. NoGo to step 4.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 76 2010-06-15 4. Swap memory with known- good memory to determine if video issue is ram related.. YesReseat or replace defective memory X01 NoGo to step 5 5. Inspect LVDS connectors and cable under magnification for pinched cables and damaged or bent pins. Do any of the connections appear to be defective? YesDefective LVDS cable. Replace display assembly. Defective LVDS connector on logic board. Replace logic board.M25 NoIf connections are OK and secure and the display is still blank, go to step 6. 6. Substitute a known-good display clamshell to test logic board video output. Is backlight and display text back to normal? YesReplace display assembly.L09 NoPoor or no backlight LED Driver power at logic board. Replace logic board. M25 Noise / Unstable Flickering Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, microphone, top case, Quick Check SymptomQuick Check Noise / Unstable Flickering • Image flicker • Audible noise 1. Verify known-good source sound file not causing speaker distortion. Deep Dive CheckResultActionCode 1. Verify if user’s issue is due to video flickering coming from display. YesSuspected flickering issue, go to step 2. NoAudible noise issue, go to step 5.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 77 2010-06-15 2. Verify display listed in the System Profiler’s Graphics/ Displays device tree is not disappearing intermittently (refresh System Profiler to observe). YesPower and LCD panel ID are OK. Go to step 3. NoGo to No Video symptom code flow. 3. Backlight flickering may be related to EMI foam gasket shorting some pads on logic board or some pins from LVDS connector. Follow Take Apart instructions to remove the EMI foam gasket from LVDS cable and retest. Verify if flickering is gone when operating without foam gasket. YesIssue solved. Replace EMI foam so that it covers the connector frame, and does not touch any part of logic board or connector pins. NoGo to step 4. 4. Inspect and reseat the LVDS cable and camera cable connection between display and logic board. Also test if brightness setting is a contributing factor. Has flickering stopped? YesLoose cable connection. Issue resolved. NoGo to step 5. 5. Substitute a known good display assembly to test logic board video output. Has flickering stopped? YesReplace display assembly.L06 NoReplace logic board.M04 6. Verify the source of the noise is the electrical as opposed to mechanical. Audio noise should not be a concern now that LCD components are all solid state devices including LED backlights. YesNoises that are not audible from the normal user position are considered acceptable. Return unit to the user. NoNoise from another source. Go to Noise/Hum/Vibration symptom table..
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 78 2010-06-15 Mechanical/Physical Damage Quick Check SymptomQuick Check Mechanical/Physical Damage • Broken glass • Broken hinge • Stripped screw/head • Stripped screw boss • Dent or scratch to chassis 1. Determine damage caused by user/technician environment, accidental damage, or abuse. 2. Inform user/technician the failures are not covered by Apple warranties. Refer to http://www.apple.com/legal/warranty Cosmetic Defects Quick Check SymptomQuick Check Cosmetic Defects • Cracked LCD • Scorched or melted LCD • LCD impact damage 1. Determine damage caused by user/technician environment, accidental damage, or abuse. 2. Inform user/technician the failures are not covered by Apple warranties. Refer to http://www.apple.com/legal/warranty Uncategorized Symptom Quick Check SymptomQuick Check Uncategorized Symptom Unable to locate appropriate symptom code Verify whether existing symptom code applies to the issue reported by the user. If not, document reported symptom and send feedback to smfeedback@apple. com stating that a suitable symptom code could not be found.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Mass Storage 79 2010-06-15 Mass Storage Hard Drive Read/Write Issue Unlikely cause: LCD, speakers, fan, camera, microphone Quick Check SymptomQuick Check Hard Drive Read/Write Issue Bad Sector/Defective Drive Formatting Issue • Cannot save documents • Read/Write error message • Hang when accessing or saving data 1. Boot from Install DVD. Verify S.M.A.R.T. status of drive using Disk Utility. 2. Repair disk using Disk Utility. 3. Erase disk and reinstall Mac OS using Installer. Deep Dive CheckResultActionCode 1. Start up from Restore DVD and launch Disk Utility. Is hard drive available for Disk Utility to repair? YesGo to step 2. NoGo to step 3. 2. Did Disk Utility mount and repair hard drive successfully? Reseat hard drive if necessary. YesRestart computer. Go to step 6. NoIf computer has not been verified with a known-good hard drive, go to step 3; otherwise, go to step 7. 3. Substitute a known-good bootable hard drive, does system start up to desktop? YesReinstall user’s drive, go to step 2. NoContinue to use known- good bootable hard drive to determine root cause. Go to step 4.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Mass Storage 80 2010-06-15 4. After reseating hard drive SATA and logic board connections, does known-good hard drive boot to desktop? YesReinstall user’s drive, go to step 2 NoSuspect hard drive SATA cable, go to step 5. 5. Replace hard drive SATA cable and retest with known-good hard drive. YesReinstall user’s drive, go to step 2. X03 NoReplace logic board.M19 6. Did user’s hard drive start up successfully? YesIssue resolved. NoRepair or replace hard drive, go to step 7. 7. Partition, erase & install Mac OS on user’s hard drive. Did install complete without error and start up successfully? YesIssue resolved NoHard drive appears to be defective, go to step 8. 8. Replace user’s hard drive. Does drive format correctly with a GUID partition map and install Mac OS without errors? YesIssue resolved. H01 NoSATA cable verified or replaced and new hard drive installed, replace logic board. M19 Hard Drive Not Recognized/Not Mounting Unlikely cause: LCD, speakers, fan, camera, microphone, AirPort Quick Check SymptomQuick Check Hard Drive Not Recognized/ Mount Drive No Boot • Flashing question mark • Boots to grey screen • Boots to blue screen 1. Use a known-good mouse. Stuck mouse button will not allow boot. 2. Boot from Install DVD. Verify S.M.A.R.T. status of drive using Disk Utility. 3. Repair disk using Disk Utility. 4. Erase disk and reinstall Mac OS using Installer.