 Apple Technician Guide MacBook Pro (15-inch, Mid ... - tim.id.au

2010-08-05
9. Troubleshoot hard drive cable
connection, cable failure or
drive failure step by step:
-Reseat hard drive cable and
retest,
-Replace with known-good
hard drive cable and retest,
-Test with known-good hard
drive.
10. Boot system with Shift Key
down. Verify if system boots in
Safe Mode.
11. Use Disk Utility to repair
customer hard drive and repair
permissions if system OS found
on hard drive. Verify if hard
drive is bootable after software
repairs.
12. Use Disk Utility to partition
customer hard drive with one
GUID partition then restore
Mac OS from product OS install
disc. Verify if hard drive is
bootable after OS instal.
Intermittent Shutdown
Unlikely cause: hard drive, optical drive
Troubleshooting Shutdown Issues
Yes After SATA cable is reseated,
customer hard drive visible in
Disk Utility. Go to step 10.
Defective hard drive SATA
cable found and replaced.
Customer hard drive is now
visible in Disk Utility. Go to
step 10.
Suspect customer hard drive
defective. Attempt OS restore.
Go to step 10.
No Known-good hard drive and
known-good hard drive cable
used, but still no hard drive
seen. Replace logic board
Yes Go to software
troubleshooting article
No Go to step 11
Yes OS on customer hard drive
repaired, issue resolved.
No Hard drive not bootable,
perhaps missing OS. Go to
step 12
Yes Customer hard drive now
starts up from new OS image.
Issue resolved
X03
M19
No Replace hard drive. H02
Before troubleshooting shutdown issues, always do the following:
• Run the available Apple diagnostics to check for cause of previous shutdown(s). Running
ASD also helps isolate any abnormal value reading from a thermal, voltage, or current
sensor or from a fan speed meter.
• Collect all available information from the user on shutdown details: periodicity, power state
when issue happens, running applications, running time before shutdown.
MacBook Pro (15-inch, Mid 2010) Symptom Charts — Startup and Power Issues 30