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当前版本: Dan ,

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I would use a CD/DVD cleaning disk to make sure the readers head is clean, dust can build up on them. I would also make sure the CD/DVD is not cracked or dirty. While many readers can handle a finger print or too a grease smudge can be to much or a deep scratch. Lastly, CD/DVD's can go bad over time, both the ones you create (read/write) and the read only ones you buy your music & movies do as well.
-Give that a try first. It maybe your CD/DVD drive settings are messed up. You would need to do a PRAM reset to see if that helped [https://support.apple.com/kb/PH6478?locale=en_US|Mac OS X 10.6: Resetting PRAM]. I would also point out this is such an old system your PRAM battery maybe worn out! You may want to replace it. Review the attached PDF doc in the repair guide for the system [document|997|PDF]. Follow it to page 12 there you'll see a small purplish part on the bottom unit to the left near the RAM module.
+Give that a try first.
+
+It maybe your CD/DVD drive settings are messed up. You would need to do a PRAM reset to see if that helped [https://support.apple.com/kb/PH6478?locale=en_US|Mac OS X 10.6: Resetting PRAM]. I would also point out this is such an old system your PRAM battery maybe worn out! You may want to replace it. Review the attached PDF doc in the repair guide for the system [document|997|PDF]. Follow it to page 12 there you'll see a small purplish part on the bottom unit to the left near the RAM module.

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编辑: Dan ,

文本:

I would use a CD/DVD cleaning disk to make sure the readers head is clean, dust can build up on them. I would also make sure the CD/DVD is not cracked or dirty. While many readers can handle a finger print or too a grease smudge can be to much or a deep scratch. Lastly, CD/DVD's can go bad over time, both the ones you create (read/write) and the read only ones you buy your music & movies do as well.
-Give that a try first. It maybe your CD/DVD drive settings are messed up. You would need to do a PRAM reset to see if that helped I would also point out this is such an old system your PRAM battery maybe worn out! You may want to replace it. Review the attached PDF doc in the repair guide for the system [https://www.ifixit.com/Document/997/.pdf|PDF]. Follow it to page 12 there you'll see a small purplish part on the bottom unit to the left near the RAM module.
+Give that a try first. It maybe your CD/DVD drive settings are messed up. You would need to do a PRAM reset to see if that helped [https://support.apple.com/kb/PH6478?locale=en_US|Mac OS X 10.6: Resetting PRAM]. I would also point out this is such an old system your PRAM battery maybe worn out! You may want to replace it. Review the attached PDF doc in the repair guide for the system [document|997|PDF]. Follow it to page 12 there you'll see a small purplish part on the bottom unit to the left near the RAM module.

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编辑: Dan ,

文本:

I would use a CD/DVD cleaning disk to make sure the readers head is clean, dust can build up on them. I would also make sure the CD/DVD is not cracked or dirty. While many readers can handle a finger print or too a grease smudge can be to much or a deep scratch. Lastly, CD/DVD's can go bad over time, both the ones you create (read/write) and the read only ones you buy your music & movies do as well.
-Give that a try first. It maybe your CD/DVD drive settings are messed up. You would need to do a PRAM reset to see if that helped I would also point out this is such an old system your PRAM battery maybe worn out! You may want to replace it. Review the attached PDF doc in the repair guide for the system. Follow it to page 12 there you'll see a small purplish part on the bottom unit to the left near the RAM module.
+Give that a try first. It maybe your CD/DVD drive settings are messed up. You would need to do a PRAM reset to see if that helped I would also point out this is such an old system your PRAM battery maybe worn out! You may want to replace it. Review the attached PDF doc in the repair guide for the system [https://www.ifixit.com/Document/997/.pdf|PDF]. Follow it to page 12 there you'll see a small purplish part on the bottom unit to the left near the RAM module.

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编辑: Dan ,

文本:

I would use a CD/DVD cleaning disk to make sure the readers head is clean, dust can build up on them. I would also make sure the CD/DVD is not cracked or dirty. While many readers can handle a finger print or too a grease smudge can be to much or a deep scratch. Lastly, CD/DVD's can go bad over time, both the ones you create (read/write) and the read only ones you buy your music & movies do as well.
-Give that a try first. It maybe your CD/DVD drive settings are messed up. You would need to do a PRAM reset to see if that helped I would also point out this is such an old system your PRAM battery maybe worn out!
+Give that a try first. It maybe your CD/DVD drive settings are messed up. You would need to do a PRAM reset to see if that helped I would also point out this is such an old system your PRAM battery maybe worn out! You may want to replace it. Review the attached PDF doc in the repair guide for the system. Follow it to page 12 there you'll see a small purplish part on the bottom unit to the left near the RAM module.

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open

编辑: Dan ,

文本:

I would use a CD/DVD cleaning disk to make sure the readers head is clean, dust can build up on them. I would also make sure the CD/DVD is not cracked or dirty. While many readers can handle a finger print or too a grease smudge can be to much or a deep scratch. Lastly, CD/DVD's can go bad over time, both the ones you create (read/write) and the read only ones you buy your music & movies do as well.
+
+Give that a try first. It maybe your CD/DVD drive settings are messed up. You would need to do a PRAM reset to see if that helped I would also point out this is such an old system your PRAM battery maybe worn out!

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原帖由: Dan ,

文本:

I would use a CD/DVD cleaning disk to make sure the readers head is clean, dust can build up on them. I would also make sure the CD/DVD is not cracked or dirty. While many readers can handle a finger print or too a grease smudge can be to much or a deep scratch. Lastly, CD/DVD's can go bad over time, both the ones you create (read/write) and the read only ones you buy your music & movies do as well.

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open