Apple macbook 13 inch aluminum late 2008 User Manual
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MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Communications 61 2010-06-15 Deep Dive CheckResultActionCode 1. System Profiler should list Bluetooth radio device under system hardware. Is Bluetooth device available? YesBluetooth radio present, verify Bluetooth preference settings, go to step 2. NoAttempt Bluetooth repair, go to step 5. 2. System Preferences has a Bluetooth panel. Ensure Bluetooth is on and discoverable. Are there any devices listed in pairing window? YesChoose known-good device and establish a connection. Go to step 3. NoAttempt Bluetooth repair, go to step 5. 3. Ensure a known-good Bluetooth device is on, in close range and in discoverable mode. Is computer pairing with known-good device? YesPairing verified, connect with user’s device, go to step 4 NoAttempt Bluetooth repair, go to step 5. 4. Is computer pairing with user’s Bluetooth device? YesConnection established, continue testing for connection loss, go to step 7. NoCheck for software updates for both computer & device. K07 5. Run Clamshell Service Diagnostic utility and check for all devices presence. If not found, reseat camera cable on logic board. Is the Bluetooth radio present, on and pairing with a known-good device? YesLoose cable connection.N04 NoGo to step 6. 6. Install and test a known-good display assembly. Is the Bluetooth radio present, on and pairing with a known- good device? YesReplace display assembly. L16 NoReplace logic board. M11
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Communications 62 2010-06-15 7. Continue to actively test a known-good Bluetooth device to determine if there is a disconnect. Do not allow computer to sleep during this test. Is link lost during test? YesCheck for software update, 2.4 GHz radio interference or device low battery. NoKnown-good device passed, test with user’s Bluetooth device. 8. Continue to test user’s Bluetooth device to determine if there is a disconnect. Do not allow computer to sleep during this test. Is link lost during test? If link is lost during start up, turn on System Preferences: Bluetooth: Advanced: “Open Bluetooth Setup Assistant at start up when no input device is present”. YesCheck for software update, 2.4 GHz radio interference, device low battery or user’s device features list for explanation. NoUser’s device not losing connection. Issue not repeatable or resolved. AirPort Card: Kernel Panic Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, camera, microphone, top case Caution: When testing an AirPort card connection, wait at least 5 seconds after shutdown before touching the camera cable connection to the logic board. Waiting less than that could damage the AirPort card. Quick Check SymptomQuick Check AirPort Card: Kernel Panic • Kernel panic on boot • 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 booting from original install media (10.5.x). Attempt to connect to Wi-Fi network. 2. Use Software Update to make sure all AirPort software and firmware updates have been applied. Deep Dive CheckResultActionCode
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Communications 63 2010-06-15 1. Use Software Update to make sure all AirPort/Bluetooth software and firmware updates have been applied. Ensure MAC address filtering is not enabled on the base station. Is kernel panic resolved? YesSoftware issue. NoGo to step 2. 2. Reseat the camera cable connection to the logic board. Is kernel panic resolved? YesGo to step 4. NoGo to step 3. 3. Isolate AirPort card by removing the I/O connection from the AirPort card. Reconnect camera cable connection to logic board. Is kernel panic resolved? YesGo to step 4. NoGo to M06 Kernel Panic / System Crashes. 4. Connect and test with a known-good AirPort card. Is kernel panic resolved? YesReplace AirPort card.N13 NoReplace display assembly.L16 Wireless Performance Issue / Slow Connection Unlikely cause: power adapter, battery, speakers, optical drive, hard drive, fan, camera, microphone, top case Caution: When testing an AirPort card connection, wait at least 5 seconds after shutdown before touching the camera cable connection to the logic board. Waiting less than that could damage the AirPort card.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Communications 64 2010-06-15 Quick Check SymptomQuick Check Wireless Performance Issue / Slow Connection • Slow or stalled data transfers • Intermittent connection dropouts 1. Check for nearby interference sources in the 2.4/5GHz range such as microwave ovens or cordless phones (Knowledge Base HT1365) 2. (AirPort) Check the number of users trying to use AirPort in the area for possible network congestion. Move closer to base station to improve signal reception. 3. (Bluetooth) Move devices closer together. 4. Check performance with a known-good system 5. (AirPort) Wireless base station checks: a. Base station is not set to low-power transmission mode. b. Base station is not set to a slower protocol mode (802.11b). c. Check for possible Wi-Fi channel overlap (nearby base stations using adjacent channel). 6. Isolate OS by booting from original install media (10.5.x). Attempt to connect to base station (AirPort) or pair with wireless keyboard (Bluetooth) 7. Use Software Update to make sure all AirPort and Bluetooth software and firmware updates have been applied. Deep Dive CheckResultActionCode 1. Inspect the display clutch barrel for damage. AirPort radio is in display clutch barrel area. YesRecord damage: Proceed to possibly repair damaged parts, go to step 2 NoNo visible damage, go to step 2
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Communications 65 2010-06-15 2. Turn off Bluetooth. Retest AirPort performance. Bluetooth circuitry in the clamshell is not accessible. Refer to Knowledge Base TS1809. YesPossible AirPort interference from the Bluetooth card. Change AirPort base station channel. (Knowledge Base TS1809.) N06 NoContinue by checking connections, go to step 3 3. Run Clamshell Service Diagnostic utility and check for all devices presence. If not found, reseat the camera cable connection to the logic board. YesLoose logic board connectionN04 NoAirPort issue, go to step 4, Bluetooth issue, go to step 8. 4. (AirPort) Verify the antenna connections to the AirPort card are not reversed or loose. Reseat antenna and I/O cable connections. YesLoose connection or crossed antenna N04 NoIf the connectors are secure, antenna connections not reversed and show no signs of damage or wear, go to step 5 5. (AirPort) Try a known-good AirPort antenna and verify that issue is fixed.. YesReplace AirPort antenna.N14 NoContinue to use known good antenna, go to step 6. 6. (AirPort) Try a known-good AirPort card and verify that issue is fixed.. YesReplace AirPort card.N12 NoContinue to use known-good antenna & card, go to step 7. 7. (AirPort) Try a known-good display assembly if available and verify that issue is fixed.. YesReplace display assembly.L16 NoReplace logic board.M11 8. (Bluetooth) Enable Bluetooth and try a known-good display assembly if available and verify that issue is fixed.. YesReplace display assembly.L16 NoReplace logic board.M11
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Communications 66 2010-06-15 Wireless Input Device Doesn’t Pair Unlikely cause: display assembly, logic board, optical drive, hard drive Quick Check SymptomQuick Check Wireless Input Device Doesn’t Pair • Can’t get the system to recognize the Bluetooth keyboard or mouse 1. Check Bluetooth System Preference is set to Discoverable. 2. Check Bluetooth device has fully charged batteries. 3. Check for Bluetooth software updates for both the device and Mac OS X. 4. If the Bluetooth pairs with no problems, probe about potential interference issue at user’s site. Deep Dive CheckResultActionCode 1. System Profiler should list Bluetooth radio device under system hardware. Is Bluetooth device available? YesBluetooth radio present, verify Bluetooth preference settings, go to step 2. NoAttempt Bluetooth repair, go to step 5. 2. System Preferences has a Bluetooth panel. Ensure Bluetooth is on and discoverable. Are there any devices listed in pairing window? YesChoose known-good device and establish a connection. Go to step 3. NoAttempt Bluetooth repair, go to step 5. 3. Ensure a known-good Bluetooth device is on, in close range and discoverable mode, Is system pairing with known- good device? YesPairing verified, connect with user’s device, go to step 4. NoAttempt Bluetooth repair, go to step 5. 4. Is Bluetooth pairing with user’s Bluetooth device? YesIssue resolved. NoCheck for SW update for both System and user device.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Communications 67 2010-06-15 5. Run Clamshell Service Diagnostic utility and check for all devices presence. If not found, reseat camera cable with logic board. Is the Bluetooth radio present, on and pairing with a known- good device? YesBad logic board connection. Issue resolved. NoGo to step 6. 6. Install and test a known good clamshell. Is the Bluetooth radio present, on and pairing with a known-good device? YesReplace display clamshell.L16 NoReplace logic board. Optional step 7. M11 7. With the logic board replacement, is the Bluetooth now pairing? YesBad logic board. Issue resolved. M11 NoAll parts replaced. Try minimum configuration troubleshooting. 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 — Display 68 2010-06-15 Display Display Anomalies Quick Check SymptomQuick Check Display Anomalies • Incorrect/missing colors • Distorted/blurred image • Pixel anomalies • Vertical/horizontal lines • Non-uniform brightness • Image flicker • Image persistence 1. Allow display to reach normal operating temperature for about 15 minutes before evaluating front-of-screen performance. 2. Check display preferences for use of custom display profile. 3. Check brightness setting. 4. Check for Software Updates. 5. Clean glass panel while checking for dust/debris. 6. Go to Deep Dive: General Deep Dive: General CheckResultActionCode 1. Verify if user’s issue is incorrect/ missing colors. YesGo to Incorrect/Missing Colors Deep Dive. NoGo to step 2. 2. Verify if user’s issue is distorted/ blurred image. YesGo to Distorted/Blurred Image Deep Dive. NoGo to step 3. 3. Verify if user’s issue is bright or dark pixel anomalies. YesGo to Pixel Anomalies Deep Dive. NoGo to step 4. 4. Verify if user’s issue is vertical or horizontal lines. YesGo to Vertical/Horizontal Lines Deep Dive. NoGo to step 5. 5. Verify if user’s issue is non- uniform brightness. YesGo to Non-uniform Brightness Deep Dive. NoLCD functioning OK.
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 69 2010-06-15 Deep Dive: Incorrect/Missing Colors CheckResultActionCode 1. Verify display is listed in the System Profiler’s Graphics/ Displays device tree. YesThis ensures color profile can be matched with LCD. Go to step 2. NoGo to N09. 2. Verify System Preferences Display Profile is valid for display being tested. Color profile should be set to Color LCD, user may have created an off-color calibration setting. YesIf display profile is valid and the colors are still incorrect or missing go to step 3. NoSet System Preferences: Displays: Color to Color LCD and retest. 3. Verify that the glass panel is free of contaminants. YesGo to step 4. NoClean glass panel using approved method. Retest. 4. Run Clamshell Service Diagnostic utility and check for LCD panel presence. If not found, reseat and verify LVDS cable is secure to the logic board. Are colors restored? YesLoose cable connection. Issue resolved. No Go to step 5. 5. Set desktop pattern in System Preferences to ‘Solid Gray Light’. Verify if incorrect/missing color issue affects entire display. YesTest a known-good display, go to step 7. NoGo to step 6. 6. Set up display under test side by side with another known good display showing the same image. Verify if issue is noticeably worse on the display being tested. YesTest a known-good display, go to step 7 L02 NoSmall variations in color uniformity are normal and do not warrant replacement or repair of the display. 7. Substitute a known-good display assembly to test logic board video output. Is normal video restored? YesReplace display assembly. L02 NoReplace logic board.M04
MacBook (13-inch, Aluminum, Late 2008) Symptom Charts — Display 70 2010-06-15 Deep Dive: Distorted/Blurred Image CheckResultActionCode 1. Sample image illustrates loss of LVDS data signals to LCD or a defective LCD panel. Inspect & reseat LVDS cable connection looking for damaged or bent pins. Is image restored with reseated cable connection? YesIssue due to loose connection. Display issue resolved. NoGo to step 2. If logic board connector damage, replace logic board. M24 2. Substitute a known good display clamshell to test logic board video output. Is normal video restored? YesReplace display assembly.L04 NoReplace logic board.M04 Deep Dive: Pixel Anomalies CheckResultActionCode 1. Determine if “defects” are dust/ debris on surface of glass panel. YesClean glass panel. NoGo to step 2. 2. Determine if bright pixel defects exceed the acceptable number. See Display Issue: Pixel Anomalies. YesReplace display assembly.L08 NoLCD meets bright pixel defect specifications. Go to step 3. 3. Determine if dark pixel defects exceed the acceptable number. See Display Issue: Pixel Anomalies. YesReplace display assembly.L08 NoLCD meets dark pixel defect specifications. Go to step 4. 4. Determine if the combination of bright/dark pixel defects exceed the acceptable number. See Display Issue: Pixel Anomalies. YesReplace display assembly.L08 NoExplain to user that LCD is within specifications. Do not replace display assembly.