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 | Product overview | 
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| FRU | Applicable test | |
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| Diskette drive | 1. | Diagnostics  | 
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 | 2. | Interactive Tests  | 
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| 1. | Diagnostics  | |
| DVD drive | 
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 | 2. | Interactive Tests  | 
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| Memory | 1. | If two DIMMs are installed, remove one of | 
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 | them and run Diagnostics  | 
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 | Test - Quick. | 
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 | 2. | If the problem does not recur, return the | 
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 | DIMM to its place, remove the other one, | 
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 | and run the test again. | 
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 | 3. | If the test does not detect the error, run | 
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 | Diagnostics  | 
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| Fan | 1. | Turn on the computer and check the air | 
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 | turbulence at the louver near the power | 
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 | switch. | 
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 | 2. | Run Diagnostics  | 
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 | IBM Fan. | 
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