Apple Technician Guide - tim.id.au
Apple Technician Guide - tim.id.au
Apple Technician Guide - tim.id.au
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2010-08-05<br />
Mass Storage<br />
Hard Drive Read/Write Issue<br />
Unlikely c<strong>au</strong>se: LCD, speakers, fan, camera, microphone<br />
Quick Check<br />
Symptom Quick Check<br />
Hard Drive Read/Write Issue<br />
Bad Sector/Defective<br />
Drive Formatting Issue<br />
• Cannot save documents<br />
• Read/Write error message<br />
• Hang when accessing or<br />
saving data<br />
Deep Dive<br />
1. Boot from Install DVD. Verify S.M.A.R.T. status of<br />
drive using Disk Utility.<br />
2. Repair disk using Disk Utility.<br />
3. Erase disk and reinstall Mac OS using Installer.<br />
Check Result Action Code<br />
1. Start up from Restore DVD<br />
and l<strong>au</strong>nch Disk Utility. Is hard<br />
drive available for Disk Utility<br />
to repair?<br />
2. D<strong>id</strong> Disk Utility mount and<br />
repair hard drive successfully?<br />
Reseat hard drive if necessary.<br />
3. Substitute a known-good<br />
bootable hard drive, does<br />
system start up to desktop?<br />
Yes Go to step 2.<br />
No Go to step 3.<br />
Yes Restart computer. Go to step<br />
6.<br />
No If computer has not been<br />
verified with a known-good<br />
hard drive, go to step 3;<br />
otherwise, go to step 7.<br />
Yes Reinstall user’s drive, go to<br />
step 2.<br />
No Continue to use knowngood<br />
bootable hard drive to<br />
determine root c<strong>au</strong>se. Go to<br />
step 4.<br />
MacBook Pro (15-inch, 2.53 GHz, M<strong>id</strong> 2009) Symptom Charts — Mass Storage 82
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