Imac 333 cd won't read

I just bought this computer for my daughter, but it won't read any discs. It just keeps asking me if I want to initialize them and then says they are locked. I know these programs work on anohter 333. I have never had a mac before and am lost.

Hi, Isabella -
It will do no good to try to initialize the disks, per the offer in the message from the OS. To initialize a disk means to erase and reformat it. Since a CD of the type you describe can not be erased, nothing will happen when you try to initialize them - nor should it.
Make sure the File Exchange control panel is active (checkmarked) in Extensions Manager.
Make sure the following items are physically present in the Extensions folder in System Folder (not all of them will show up in Extensions Manager, hence the need to make a physical check) -
Apple Audio Extension
Apple CD/DVD Driver
Apple Photo Access
Audio CD Access
Foreign File Access
ISO 9660 File Access
UDF Volume Access
If you have Toast installed on that machine, try disabling Toast's CD Reader extension.
Have you tried one of the original CDs that came with the machine, or a retail OS 9 Install CD, to confirm the drive is working at all?
If no CD at all is being read, you might try using an audio CD cleaning disk in the drive - if the lenses in the drive get too dusty or dirty, a disk can not be read.

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MATSHITACD-RW CW-8124:
Model:          MATSHITACD-RW CW-8124
Revision:          DACH
Serial Number:
Detachable Drive:          No
Protocol:          ATAPI
Unit Number:          0
Socket Type:          Internal
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Power Off:          No
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Imac 333 cd won't read

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