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  1. #1
    iMac DVD player not playing certain DVDs?
    My built in DVD rom combo won't play many DVD movies, only certain ones.

    My iMac is a 700 MHz G4 model, below are details that I cut/paste from the System Profiler.

    Can anyone tell me if I need a firmware update or anything else that could help and where I go to get one, also I don't know how to do these things so I hope any site you point me to has instructions?

    Oh yes, I did an 10.3.7 combo update and repaired all permissions etc, but the DVD player had difficulty reading certain main-stream movies before this.

    HL-DT-ST RW/DVD GCC-4120B:

    Manufacturer: HL-DT-ST
    **Model: HL-DT-ST RW/DVD GCC-4120B
    **Revision: 2.11
    **Serial Number:
    **Drive Type: CD-RW/DVD-ROM
    **Disc Burning: Apple Supported/Shipped
    **Removable Media: Yes
    **Detachable Drive: No
    **Protocol: ATAPI
    **Unit Number: 1
    **Socket Type: Internal

  2. #2

    Macman's Avatar
    Member Since
    Oct 30, 2004
    San Antonio, Texas
    PowerMac G4 Cube 450mhz 832mb
    does it only play movies from certain regions, or only some dvds whether the same region or not? have you tried cleaning your lens?

  3. #3

    rman's Avatar
    Member Since
    Dec 24, 2002
    Los Angeles, California
    2 x 3.0GHz Quad-Core, 6GB OS X 10.6.8 | 15in MacBook Pro 2.2GHz OS X 10.6.8 | 64GB iPad 2 WiFi
    Like macman, I am leaning toward a region problem. But more information about the DVDs are needed.
    Life isn't about waiting for the storm to pass, It's about learning to dance in the rain!

  4. #4

    Member Since
    Mar 24, 2010
    3 yrs in AL and hating it
    it's embarrassing ;-)
    iMac DVD will read DVDs but will not write
    I have a question about my iMac playing, watching DVDs but won't burn.
    Here's my specs:

    OS 10.4.11
    700 MHz PowerPC G4

    here is my info on DVD drive:

    HL-DT-ST RW/DVD GCC-4120B:

    Firmware Revision: 2.11
    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 Type: CD-ROM
    Blank: No
    Erasable: No
    Overwritable: No
    Appendable: No

    I went to burn a DVD+RW 4.7g, but is spits it back out. So am I to believe it will only Read DVD, and just write a CD -R, -RW, even though it read at top, 'Burn Support yes' or does it have something to do with -RW and what I bought, the DVD +RW??

    Until i round up cash to buy new Mac, would it be better to buy external LG DVD drive? and if so does the - and + have something to do as well?

    take any suggestion, knowledge. thx

  5. #5

    chas_m's Avatar
    Member Since
    Jan 22, 2010
    Victoria, BC
    Mid-2012 MBP (16GB, 1TB HD), Monoprice 24-inch second monitor, iPhone 5s 32GB, iPad Air 2 64GB
    Congrats, you have resurrected a six-year-old thread.

    To answer your question: your spec report (thanks for providing that) make it clear that you have a "combo drive" not a "superdrive." Combo drives read DVDs but can't write to them. The key line in the report is "write strategies" IOW "what I can write to."

    You could buy an external DVD burner, certainly, and with the aid of Patchburn it will work with pretty much any brand. I would personally suggest you purchase a "bare" DVD burner and then a firewire case and put the two together -- you will get MUCH better performance and speed from a FW connection than a USB2 connection.

  6. #6

    dtravis7's Avatar
    Member Since
    Jan 04, 2005
    Modesto, Ca.
    iMac 2010 27" QuadI7, iMac 2008 10.10.5, Macbook2007 10.7.5, Mac Mini 10.7.5, iPhone 3GS Note 8!
    Chas is correct. Here is a pic of my drive in my iMac that is a Super Drive and burns both +R -R and Dual Layer. Yours for sure is just a CD Burner with a DVD reader.
    Attached Images Attached Images

  7. #7

    Member Since
    Mar 24, 2010
    3 yrs in AL and hating it
    it's embarrassing ;-)
    Hey thanks for both replies. Guess I'll google what a bare drive is, i'm thinking no software, generic.....

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