Apple Macbook Pro Aluminum 13-Inch Black Laptop Keyb Technical Guide - Page 46

3. Boot in Safe Mode with Shift Yes key down, and check for recent kernel panic data in panic log. Open Panic.log file on hard drive and check for affected No interface that crashed. If unit still crashes during startup, you will need to take out disk to a good system to access the file. Verify that kernel panic dependency is not with an I/O interface. 4. Remove I/O device where Yes possible to pinpoint faulty device: - Disconnect camera cable from display assembly (for AirPort, Bluetooth, camera, and ambient light sensor). Camera cable can be disconnected without affecting startup and test. - optical drive cable to isolate optical drive. - hard drive cable to isolate hard drive. Memory cards can be removed, relocated, or tested with known-good memory. Because system will run on one card, this is a useful test for finding bad memory or bad memory slot. If issue remains after testing I/O device, replace with knowngood part(s) to confirm issue resolved. No Kernel Panic is not a system I/O related device. Go to step 5 I/O device related crash, go to step 4 System starts up when I/O device removed, replace affected I/O device or module containing it. If AirPort card presence is crashing system, replace N13 AirPort card. If still issue, L14 replace display assembly (for Bluetooth, camera, or cable damage). If optical drive presence is crashing system, replace X03 optical drive cable and retest. J03 If issue remains try with known-good optical drive. If still issue, replace optical drive. If hard drive presence is crashing system, replace hard drive cable and retest. If issue X03 remains, try with known-good H01 hard drive. If still issue, replace hard drive. Reseat memory or replace suspect memory with known- X01 good memory. Symptoms unchanged, go to step 5 2010-06-15 MacBook (13-inch, Aluminum, Late 2008) Symptom Charts - Startup and Power Issues 46