Optical Disk Drive not recognised!

Hi, having a nightmare problem with my macbook- any help would be much appreciated!
I'm using a new (late 2010) macbook pro, and today it suddenly forgot it has a disk drive. It's no longer showing up in Disk Utility, and the eject button does nothing (there's a CD in there).
I was in the middle of burning a CD in iTunes, which crashed. I force quit, restarted, then had to troubleshoot as iTunes wouldn't open- saying I hadn't permission to open the library. I deleted the library file, then started a new one, which solved the iTunes problem and allowed me to open the program. Then I noticed the problem with the disk drive, and nothing I've tried has helped.
Any ideas?
Thanks!

Typical- I've been at this all day and as soon as I post here the problem gets solved.
For the sake of anyone who finds this and is having the same problem- the strangest solution worked:
I re-booted, and on startup rapidly pressed the eject button until the CD ejected.
Now the drive is recognised- phew.
Weird- I really didn't think button-bashing would prove to be the solution...

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MacBook Pro Late 2011 : Optical Disk Drive not working?

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I have resetted SMC and PRAM; no chages.
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Clean the heads.
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Our mac just got back from repair after nearly one year of use. the reason was a noisy fan. One fan was replaced and the other two cleaned.
After one day the noise started again. I did some diagnostics and found the temp of the Optical Disk Drive to be 127 degrees celsius, just 5 sec after start-up. In the secs befor it shows zero as a value, and then jumps to 127 and stays there. Other temps show 18-30 degrees directly from start-up and stay there more or less.
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in the link below is a similar thread from earlier this week, and after a repair the iMac had the same issue with the Optical Drive Bay and it's fan.
http://discussions.apple.com/message.jspa?messageID=6026643#6026643
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Message was edited by: my wonder

have you check disk alias ?
exemple
disk /pci@400/pci@0/pci@8/scsi@0/sd@0,0
for disk0 booting.
I suggest you do the following:
ok show-disks
a) /sbus@7,0/SUNW,fas@3,8800000/sd
b) /sbus@3,0/SUNW,fas@3,8800000/sd
q) NO SELECTION
Enter Selection, q to quit: a
/sbus@7,0/SUNW,fas@3,8800000/sd has been selected.
Type ^Y ( Control-Y ) to insert it in the command line.
e.g. ok nvalias mydev ^Y
for creating devalias mydev for
/sbus@7,0/SUNW,fas@3,8800000/sd
{0} ok nvalias mydisk /sbus@7,0/SUNW,fas@3,8800000/sd@c,0
ok setenv boot-device mydisk
ok reset
I hope I helped you
Ruben

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Message was edited by: Roger Sinden

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Do you have the MDD?
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I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!

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[Edited by: admin on 03-Jul-05 22:11]

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Optical Disk Drive not recognised!

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