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  1. #1

    Member Since
    Nov 13, 2007
    G4 (Graphite)1.4GHz, Macbook Pro 15" 2.2Ghz.
    DVD Copy: Input/output Error on Disk Utility
    I'm trying to make multiple copies of a DVD i've made using iDVD and can't get it to work using Disk Utility. While searching for an explanation of the error i get i found a similar question on another forum, which remained unanswered.

    "Input/output Error" would suggest it was a driver problem or suchlike to me but that doesn't follow the usual problem-free Mac driver set-up.

    I've made copies of a previous DVD i made by this method , and have since followed the 'Help' to the letter to no avail. I've tried several third party copying utilities to no avail.

    Is my system damaged? Is there another way to copy DVDs?

    Note: it takes my old Mac 4hrs to render the DV for disk burning purposes, and even then it only burns few before any system interupt halts the process (freezes). I need probably 20+ copies of a friends social event and the footage so far covers three DVD's, it's turning into a nightmare!

    I'm running an old G4 (AGP Graphics) with processor upgraded to 1.4GHz, an added DVD burner, 1.12GB SDRAM, and two added HDDs, one internal one external, with the DV on the added HDDs. (the original 30G one is full of software!) OS X 10.3.9

  2. #2

    louishen's Avatar
    Member Since
    Oct 22, 2007
    Mac Mini Core i7 2012 | White 2009 MacBook 2 Ghz | 733 Mhz G4 Quicksilver
    I have a similar set-up

    I only get burn errors when its a warm day and the machine has been running hot for a while

    also - is the media cheap - that could also be it.

    also upon up system profiler and select Disc Burning - does it say Yes to Burn Support and does the drive have under-run protection?


  3. #3

    Member Since
    Nov 13, 2007
    G4 (Graphite)1.4GHz, Macbook Pro 15" 2.2Ghz.
    Hmm, the DVD-Rs were fairly cheap, but not the cheapest!
    I have an app that lets me see the CPU temp and it rarely heats up when trying to work with the DVDs, which surpised me!
    My system profiler reads as:
    Manufacturer: PIONEER
    Model: PIONEER DVD-RW DVR-108
    Revision: 1.14
    Drive Type: CD-RW/DVD-RW
    Disc Burning: Vendor Supported
    Removable Media: Yes
    Detachable Drive: No
    Protocol: ATAPI
    Unit Number: 0
    Socket Type: Internal
    Where would i find the under-run protection info?

    Thanks, by the way!

    [edit] from the manufacturers website, it does have under-run protection [/edit]

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