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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Disk Drive works for CDs but not for DVDs


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d56ranger

 
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Using an iMac with disk drive the drive works for CDs but has recently stopped working for DVDs. I'm using OS X 10.9.3. Since it works for CDs my feeling is that there is a "switch" someplace that that got flipped somehow. Any help will be greatly appreciated
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pigoo3

 
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Are we talking commercially purchased DVD's (such as movies)...or homemade/"burned" DVD's?

If commercial DVD's. Where are you located (in the world)...and where (in the world) were they purchased?

- Nick

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Quote:
Originally Posted by d56ranger View Post
Using an iMac with disk drive the drive works for CDs but has recently stopped working for DVDs. I'm using OS X 10.9.3. Since it works for CDs my feeling is that there is a "switch" someplace that that got flipped somehow. Any help will be greatly appreciated
To add to what Nick replied: The laser power levels for reading and writing a disk are different for a CD than they are for a DVD. Which means it may be able to read a CD but not a DVD. Sometimes that can be attributed to a dirty lens (try cleaning with compressed air) and other times it can mean the drive has to be replaced. Try cleaning it first. And by the way, there is no "switch" that somehow got flipped.
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d56ranger

 
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US and US.
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Quote:
Originally Posted by d56ranger View Post
US and US.
Are these commercial DVD'sor homemade burned DVD's?

- Nick

- Computer slow, too many "beachballs", read this: Beachballs
- Computer seems slower than it used to? Read this for some speedup tips: Speedup
- Almost full hard drive? Some solutions. Out of Space
- Apple Battery Info. Battery
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harryb2448

 
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If it has stopped working for DVDs and did, the optical drive may well be on the way out. DVDs are much more an 'intensive' read than CDs which is why they go first. iMacs, like MacBooks, alas have a slot loading optical drive which is much more prone to failure than a tray loader in other desktops.

Suggest purchasing a cheap external. I use a Samsung SE-208 no problems at all with my iMac. It has dual USB connectors and is bus powered so mains not required.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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HollyW82000

 
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I ran into this when I tried to upgrade my Mini to Leopard several years ago. The slot drive would accept a CD but would spit a DVD out. After research it seems that particular optical drive was noted for failing with that being the first indication of it. My solutions was what has been suggested, purchase an inexpensive external drive.
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