Hard Drive Read/Write Error
Unlikely cause: LCD panel, power supply, fans, speakers, camera, microphone
Quick Check
Symptoms | Quick Check | |||
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Drive Read/Write Error (H03) | 1. | Boot from Install DVD or external drive. Verify | ||
Drive Bad Sector/Defective (H05) |
| S.M.A.R.T. status of drive using Disk Utility. | ||
Drive Formatting Issues (H07) | 2. | Repair disk using Disk Utility. | ||
• | Cannot save documents | |||
3. | Erase disk and reinstall Mac OS using Install DVD | |||
• | Read/write error message | |||
| or external drive. | |||
• Hang when accessing or saving |
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4. | Use Target Disk Mode to mount user’s hard drive | |||
| data | |||
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| on a known good computer. Use Disk Utility on | |
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| host computer for Quick Checks 1 through 4. | |
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Deep Dive
Check | Result | Action | Code | |
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1. | Run Disk Utility ‘Repair Disk’ | Yes | Go to step 2 |
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| function and verify that it |
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| No | Go to step 3 |
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| completes successfully. |
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2. | Reboot computer. Verify that | Yes | Data error Issue resolved. | H07 |
| system boots successfully and |
| Return computer to user. |
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| that Disk utility ‘Verify’ function |
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| No | Go to step 3 |
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| reports no errors. |
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3. | Erase disk and reinstall Mac OS | Yes | Go to step 7 |
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| using Install DVD or external |
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| No | Go to step 4 |
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| drive. Verify that installation |
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| process completes. |
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4. | Inspect interconnect board | Yes | Replace interconnect board. | H04 |
| connector for bent pins, or |
| Go to step 7 |
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| other damage to the board.. |
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| No | Go to step 5 |
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5. | Reseat interconnect board, | Yes | Go to step 7 |
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| hard drive and logic board |
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| No | Replace interconnect board, | H04 | |
| connections and verify whether | |||
| computer starts up |
| go to step 7 |
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Mac mini (Late 2009) Symptom Charts — Mass Storage 48 |
