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I am trying to burn a bootable CD to update my harddisk firmware. This is what I have tried:

Using Disk Utility: pressing burn, selecting the bootable image, speed = maximum possible (24x), verify burned data is checked, pressing burn.
The superdrive spins, makes noises indicating that it's doing something, I get a message "burn succesful", and then the CD is mounted on the Desktop with all the expected contents. I eject the disc, insert it again and it's empty.

Again using Disk Utility: pressing burn, selecting the bootable image, speed = 8x, verify burned data is checked, pressing burn.
The superdrive spins, makes noises indicating that it's doing something, I get a message "burn succesful", and then the CD is mounted on the Desktop with all the expected contents. I eject the disc, insert it again and it's empty.

Using the open source Burn app: going to Copy tab, dragging iso image in, pressing burn, verify data is checked, speed = 24x.
I get a message that all went well, the CD is mounted on the desktop, all contents are there, but on ejecting and inserting the disc again the disc shows as empty again.

I tried this with 4 Philips discs.

Does anyone know what my problem could be? I'm on a MacBook Pro 5,3 with 10.6.8.

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Did you try reusing those apparently not written CDs? –  Thecafremo Oct 10 '12 at 7:14
    
Yes I tried reburning the same data on these CD's. Both Disk Utility and Burn started the burning process, but ended with an error. Through Burn I tried to burn a mp3 to one of the used CD's. At first it looked as if it worked, but after ejecting the CD and re-entering it, the mp3 was gone. –  Bart Arondson Oct 10 '12 at 7:17

1 Answer 1

up vote 0 down vote accepted

Looking around at different forums I found out that this behaviour might be caused by a dirty lens. I ended up buying this cleaning CD, and after giving it a spin I could burn CD's normally again.

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