Informatika és tudomány

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    Open the Device Manager.
    Double-click IDE ATA/ATAPI Controllers to display the list of controllers and channels.
    Right-click the icon for the channel to which your CD/DVD drive is connected, select Properties, and then click the Advanced Settings tab.
    In the Current Transfer Mode drop-down box, select 'DMA if Available' if the current setting is 'PIO Only.' If the drop-down box already shows 'DMA if Available' but the current transfer mode is PIO, then you must toggle the settings. That is: - Change the selection from 'DMA if available' to PIO only, and click OK. - Then repeat the steps above to change the selection to DMA if Available.