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 | 
 | Hardware and system checklist | 
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 | Check whether the CD/DVD is dirty. If it is, wipe | |
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 | it with a clean cloth dipped in water or a neutral | |
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 | cleaner. See the Media care section in Chapter 4 | |
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 | for details on cleaning. | |
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 | |
| Some CD/DVDs | The software or hardware configuration may | |
| run correctly, but | be causing a problem. Make sure the | |
| others do not | hardware configuration matches your software’s | |
| 
 | needs. Check the CD/DVD’s documentation. | |
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 | |
| 
 | Check the type of CD/DVD you are using. The | |
| 
 | drive supports: | |
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 | |
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 | |
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 | |
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 | 
 | Mode 2,  | 
(Form1, Form2), Enhanced CD (CD- EXTRA), 
Check the region code on the DVD. It must match that on the 
ROUBLESHOOTINGT
