Apple MacBook Pro 13 inch - Page 38

MacBook Pro (13-inch) Symptom Charts — Startup and Power Issues 38
2010-09-14
9. Troubleshoot hard drive and
hard drive SATA cable with
cable reseat and known-good
part substitutions. If user hard
drive, is there a defective hard
drive component to replace?
Yes Reseat of SATA cable now has
user hard drive visible in Disk
Utility, go to step 10.
Defective hard drive SATA
cable found and replaced,
now has user hard drive
visible in Disk Utility, go to
step 10.
X03
Suspect user hard drive
defective, attempt OS restore,
go to step 10.
No Known-good hard drive and
known-good SATA cable used,
still no hard drive present.
Replace logic board.
M19
10. Boot system with Shift key
down. Does it work?
Yes Go to software
troubleshooting article.
No Go to step 11.
11. Use Disk Utility to repair
user hard drive and repair
permissions if system OS
found on hard drive. Is hard
drive bootable after software
repairs?
Yes OS on user hard drive
repaired, issue resolved.
No Hard drive not bootable,
perhaps missing OS, go to
step 12.
12. Use Disk Utility to partition
user hard drive with one GUID
partition then restore Mac OS
from OS install disc. Is hard
drive bootable after OS install?
Yes User hard drive now starts
up from new OS image, issue
resolved.
No Replace hard drive. H02
Intermittent Shutdown
Unlikely cause: hard drive, optical drive
Troubleshooting Shutdown Causes
Always run the available Apple diagnostics to check for cause of the previous shutdown(s).
Running ASD would also permit to isolate any abnormal value reading from a thermal, a
voltage, or a current sensor, or from a fan speed meter.
Collect all available info from user on shut down occurrence details: periodicity, power state
when issue happens, running applications, running time before shutdown.
Shutdown events could be categorized between four dierent types of causes.