1 2 Previous Next 21 Replies Latest reply: May 3, 2008 3:18 AM by jjc05
AmitJindal Level 1 Level 1 (0 points)
Hello, I have a weird problem that seems to have happened recently. I am trying to insert a CD in the CD slot but the drive seems to be stuck. I suspected maybe there is already a CD but it does not seems so. How can I diagnose or fix this?

Here's some more info:

Machine Name: Mac mini
Machine Model: PowerMac10,2
CPU Type: PowerPC G4 (1.5)
Number Of CPUs: 1
CPU Speed: 1.5 GHz
L2 Cache (per CPU): 512 KB
Memory: 512 MB
Bus Speed: 167 MHz
Boot ROM Version: 4.9.4f1


ATA Bus:

Hitachi HTS541080G9AT00:

Capacity: 74.53 GB
Model: Hitachi HTS541080G9AT00
Revision: MB4AA63A
Serial Number: <Removed-from-this-post>
Removable Media: No
Detachable Drive: No
BSD Name: disk0
Protocol: ATA
Unit Number: 0
Socket Type: Internal
OS9 Drivers: No
S.M.A.R.T. status: Verified
Volumes:
Macintosh HD:
Capacity: 74.41 GB
Available: 20.3 GB
Writable: Yes
File System: Journaled HFS+
BSD Name: disk0s3
Mount Point: /

MATSHITADVD-R UJ-845:

Model: MATSHITADVD-R UJ-845
Revision: D8PB
Serial Number:
Detachable Drive: No
Protocol: ATAPI
Unit Number: 1
Socket Type: Internal



mymac:~ user$ drutil status
Vendor Product Rev
MATSHITA DVD-R UJ-845 D8PB

Type: No Media Inserted

mymac:~ user$ drutil tray eject 1
mymac:~ user$ drutil list
Vendor Product Rev Bus SupportLevel
1 MATSHITA DVD-R UJ-845 D8PB ATAPI Apple Shipping

mymac:~ user$


I also cannot find any email address for apple support. This mac is currently under apple protection plan but I don't wan to use that unless its really broken.

Please help.

Mac Mini G4, Mac OS X (10.4.10)
  • 1. Re: Mac Mini CD drive not accepting any cd/dvd
    Boece Level 5 Level 5 (6,245 points)
    +I also cannot find any email address for apple support. This mac is currently under apple protection plan but I don't want to use that unless its really broken.+

    Apple support is typically over the telephone, or face-to-face at the dealer.

    This forum provides user-to-user support. I'm not aware of any Apple email-based support.

    Regarding the CD drive: it is important to insert the CD perfectly level. Otherwise it can catch on the inside of the drive.

    Do you have reason to believe that there already is a disc in the drive -- other than that you can't insert a disc?
  • 2. Re: Mac Mini CD drive not accepting any cd/dvd
    Darian B Level 1 Level 1 (0 points)
    This just happened to me this past weekend when I installed Leopard. My drive was working just fine, and then I wanted to install Windows via Bootcamp and now my CD/DVD drive will not accept anything. I am positive that in my situation there is NOT another CD or DVD in the drive.

    Any suggestions? What about the holding the power button while plugging it in trick?

    Thanks,
    d.
  • 3. Re: Mac Mini CD drive not accepting any cd/dvd
    AndyO Level 6 Level 6 (17,045 points)
    Welcome to Apple Discussions!

    What about the holding the power button while plugging it in trick?


    What trick is that exactly?! That's a part of the PMU reset procedure which applies to G4 minis, but can cause Intel minis to run the fan up to full speed constantly if done to them.

    If it's the PMU reset procedure and you have a G4 mini, it is done thusly:
    -Unplug all cables from the computer, including the power cord.
    -Wait 10 seconds.
    -Plug in the power cord while simultaneously pressing and holding the power button on the back of the computer.
    -Let go of the power button.
    -Press the power button once more to start up your Mac mini.

    Alternatively, if it's an Intel mini you would want the SMC reset procedure - the proper way to do it is:
    -From the Apple menu, choose Shut Down (or if the computer is not responding, hold the power button until it turns off).
    -Unplug all cables from the computer, including the power cord and any display cables.
    -Wait at least 15 seconds.
    -Plug the power cord back in, making sure the power button is not being pressed at the time.
    -Then reconnect your keyboard and mouse to the computer.
    -Press the power button on the back to start up your computer.
  • 4. Re: Mac Mini CD drive not accepting any cd/dvd
    Sandyw Level 1 Level 1 (0 points)
    Same exact thing happened to me this weekend. I bought my machine with Tiger pre-installed, but it came with a Leopard disk. So first thing I did on the new computer was install Leopard (from a disk obviously). Then I went to install some other software from a disk and the machine just kept spitting out the disk. What gives? It can't be a hardware problem. I bought the computer 4 DAYS AGO!
  • 5. Re: Mac Mini CD drive not accepting any cd/dvd
    Antonio Serna Level 1 Level 1 (105 points)
    Hey All,
    It would be helpful to post the type of drive you have, goto Apple menu and check "about this mac" and then "more info" then "disc burning"... There you will see the model number and the firmware.

    The person who first posted this question had a Matshita UJ-845 firmware: D8PB DVD-R by Panasonic... As do I. I have also had cases where I put in media and it seems to not appear on the desktop. I have been testing various CDr and DVDr media and posted an extensive amount of info on this post in the iMac G5 discussion (even though my drive is in a MacMini)My post discusses the attitude of this drive and goes to good lengths to point to some useful resources online help you solve problems with this drive. I am finding out it that the drive is picky about what media it uses, avoiding and spitting out many a disc... Read my post here:

    http://discussions.apple.com/message.jspa?messageID=6220829#6220829

    - - -

    FOR Technical support on this drive if Apple is impossible, I found an email on the makers site, Panasonic Industrial that list an email to contact, it states that USA customers can seek support through them... Let's see if they send me a reply, i'll follow-up if they do...

    http://www.panasonic.com/industrial/computer/storage/optical/models/UJ845B.htm

    *Click on the support link next to the drive... note that Panasonic only list this as UJ-845-B, there is no history on thier site for a plain UJ-845 drive.

    - - -

    Finally, two things...I have been reading the iMac G5 discussion that there is another Matshita UJ-846 out there that has been a lot of trouble too, incase you are curious, secondly I had a weird issue with my MacMini telling me that my PAL format discs are NTSC. I wonder if this is an issue with this drive?? If you know of anything in this regard please post to my thread here:

    http://discussions.apple.com/message.jspa?messageID=6215778#6215778


    Thanks and hope this clears things up.

    -A.S.
  • 6. Re: Mac Mini CD drive not accepting any cd/dvd
    Marcus Rainbow Level 1 Level 1 (0 points)
    My Mac mini (about 6 months old) has also gotten itself into a state where it will not accept any CD/DVD. I looked in the About This Mac menu and it says the disk type is:

    MATCHATA CD-BW CW%8!2$:

    Firmware Revision: DAC@
    Interconnect: ATAPI
    Burn Support: Yes (Unsupported)
    Profile Path: None
    Cache: 4233 KB
    Reads DVD: Yes
    CD-Write: -R, -RW
    DVD-Write: -RAM
    Burn Underrun Protection CD: No
    Burn Underrun Protection DVD: No
    Write Strategies: CD-TAO, CD-SAO
    Media: No

    This does not sound very healthy to me. Is it time to check out the warranty, or does anybody know if there are things I can try doing myself, like resetting the hardware/firmware somehow?
  • 7. Re: Mac Mini CD drive not accepting any cd/dvd
    Boece Level 5 Level 5 (6,245 points)
    Marcus,

    Could you clarify whether you problem is like the original poster's (can't physically insert the CD in the drive) or like some of the other posters who have joined this thread with a different issue, namely having problems with inserted media being spit out?

    You can definitely try resetting the SMC (if you have an Intel Mini).

    As described on the Apple web site:
    1. From the Apple menu, choose Shut Down (or if the computer is not responding, hold the power button until it turns off).
    2. Unplug all cables from the computer, including the power cord and any display cables.
    3. Wait at least 15 seconds.
    4. Plug the power cord back in, making sure the power button is not being pressed at the time. Then reconnect your keyboard and mouse to the computer.
    5. Press the power button on the back to start up your computer.

    If this does not clear things up, and you have an Apple store nearby, and you are still under warranty, I would have them take a look at it.
  • 8. Re: Mac Mini CD drive not accepting any cd/dvd
    lisadj Level 1 Level 1 (0 points)
    I am having the same problem. Anyone have any answers? Any CD will not load. The drive sounds as if it is trying to figure out what to do with it and then spits out the CD.
  • 9. Re: Mac Mini CD drive not accepting any cd/dvd
    martialstax Level 1 Level 1 (0 points)
    I am having a similar problem. The computer's disc drive won't accept any disc. I can't even put it in the drive. It's like it's blocked. There is no disc already in the drive. I was trying to put a CD in it, but it started to load wrong and I pulled it out. Now I can't load a disc into it. Restarting it didn't help, nor did shutting it off, unhooking everything from it, waiting 10 seconds, plugging the power back into it while holding the power button on the back, then restarting the computer. For the record:

    Machine Name: Mac mini
    Machine Model: PowerMac10,1
    CPU Type: PowerPC G4 (1.2)
    Number Of CPUs: 1
    CPU Speed: 1.25 GHz
    L2 Cache (per CPU): 512 KB
    Memory: 256 MB
    Bus Speed: 167 MHz
    Boot ROM Version: 4.8.9f1
    Serial Number: YM5130A4RHT

    MATSHITA CD-RW CW-8124:
    Firmware Revision: DACD
    Interconnect: ATAPI
    Burn Support: Yes (Apple Shipped/Supported)
    Cache: 2048 KB
    Reads DVD: Yes
    CD-Write: -R, -RW
    Burn Underrun Protection CD: Yes
    Write Strategies: CD-TAO, CD-SAO, CD-Raw
    Media: No

    This is an older Mini, purchased in Japan.
  • 10. Re: Mac Mini CD drive not accepting any cd/dvd
    A. Lee Level 1 Level 1 (0 points)
    This extremely frustrating issue happened to me on my 1st gen G4 Mac mini as soon as I installed Leopard. I had a perfectly working Mac for neigh on three years-- then Leopard comes along and breaks it. I'd posted previously on this topic but received no useful answers, so I simply went back to Tiger.

    The kick in the face is that the DVD drive still spits my discs back at me. Is this is 10.4.10+ issue (highest prior to Leopard debacle was 10.4.9 and everything worked)?

    Here's my drive specs:

    MATSHITA CD-RW CW-8124:

    Firmware Revision: DACD
    Interconnect: ATAPI
    Burn Support: Yes (Apple Shipped/Supported)
    Cache: 2048 KB
    Reads DVD: Yes
    CD-Write: -R, -RW
    Burn Underrun Protection CD: Yes
    Write Strategies: CD-TAO, CD-SAO, CD-Raw
    Media: No




    This is getting rather ridiculous. For the most part, it's only video DVDs that will not work. And they're not random imports or self burns; what prompted me to come back to the support forum was Toy Story not mounting after six inserts.

    Anyone have any idea what the **** is going on?

    PS: DO NOT UPGRADE TO LEOPARD.
  • 11. Re: Mac Mini CD drive not accepting any cd/dvd
    typhon Level 1 Level 1 (0 points)
    i am having a similar problem. i just got a mac mini today and was able to insert a dvd, but it would not play. system profiler states that no drive is present. now i cannot remove the disc, as the eject button does not function. any ideas?

    mac mini 1.83/2x256/80/SD/AP/BT
    SERIAL NO. YM7160YDW0B

    thanks,

    typhon
  • 12. Re: Mac Mini CD drive not accepting any cd/dvd
    Albert Tross Level 1 Level 1 (0 points)
    typhon

    When did you buy the Mac Mini..? is it new or refurbished ..?
  • 13. Re: Mac Mini CD drive not accepting any cd/dvd
    AndyO Level 6 Level 6 (17,045 points)
    Is this is 10.4.10+ issue (highest prior to Leopard debacle was 10.4.9 and everything worked)?


    I have the same drive in one of my minis (and the CW-8123 in the other) and both worked perfectly in 10.4.9, 10.4.10, and after that, in 10.5 and 10.5.1.

    PS: DO NOT UPGRADE TO LEOPARD.


    While I certainly understand the frustration, I don't think that's good advice at all. I suspect that since there are relatively few reports of this or similar issues with optical drives, the problem isn't so much in MacOS versions and compatibility as it is in specific issues within individual systems. I'm at a loss to know exactly what the problem may be since I can't replicate it on my systems, but I don't think such a broad characterization of the fault is all that helpful in understanding it!
  • 14. Re: Mac Mini CD drive not accepting any cd/dvd
    typhon Level 1 Level 1 (0 points)
    i bought if 4 days ago, brand new. however, i think it is an older model. the new minis don't have the superdrive w/ the 1.83 processors.
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