To check if your volumes are currently in DMA transfer mode:
- Right click My Computer.
- Click Properties.
- Click the Hardware tab.
- Click Device Manager.
- Open IDE ATA/ATAPI controllers.
- Right click Primary IDE Channel.
- Click Properties.
- Click the Advanced Settings.
- Check the current transfer mode for each device.
- Check your hard drive connections.
- From the Device Manager, For each device under IDE ATA/ATAPI controllers:
- Right click the device.
- Click Uninstall.
- Restart your computer.