Primary ide channels

October 28, 2011 at 14:58:43
Specs: Windows XP, 1024
Hi, i have a Sony VGN-N11S laptop with a QSI DV+-RW SDW 085 and it does not play CDs or DVDs. In device manager it shows 2 Primary IDE Channels one(for the dVD player with current transfer mode of ULTRA DMA Mode 2 for device 0 and Not Applicable for device 1) then the other primary IDE channel has device 0 with transfer mode "DMA if available" and current transfer mode " ULTRA DMA Mode 5" and device 0 has transfer mode "DMA if available" and Not applicable for device 0 which is the Toshiba Hard Disk
How can i change one of them to Secondary channel? so i can play CDs

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October 28, 2011 at 15:29:01
DVD roms do go bad.

I'm not even sure what you are asking. Because of the limited space inside of a laptop, and because of the hardware architecture, the IDE channels with laptops are set to specific devices in specific bays; i.e. IDE channel 0 to the HDD, IDE channel 1 to the Optical ROM disk drive. You can't rearrange them to other devices in a laptop like you can in a desktop PC.

If you're DVD rom isn't working, you need to troubleshoot that device, that communication cable and/or that IDE channel of the IDE controller.

- Does the DVD rom appear in the BIOS?

- Does the DVD device appear in Windows?

- Clean the DVD laser lens.

- Test the CD/ DVD media discs that don't work in your DVD rom in another DVD rom drive on another computer.

- Check the DVD cable connection(s), you'll need to open the laptop up possibly.

- Try to test your DVD in another laptop, if possible.

MOOOOooove! OH and you're welcome!

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