Slow dvd and cd playback

  Marty1 08:42 30 Nov 2005

My Compaq Presario running XP SP2 has suddenly started playing dvds slowly, both in Win Media Player and Intervideo Win DVD. Cds play slowly too. Should I believe the drive has failed or is there another reason?

  Diodorus Siculus 09:24 30 Nov 2005

Go into the device manager and remove it; reboot and windows will reinstall its drivers automatically.

  Marty1 10:00 30 Nov 2005

I tried that Dio but the problem is still there

  Diodorus Siculus 10:13 30 Nov 2005

Could be software related then. Can you try disabling anything unnecessary via the start tab in msconfig?




  Marty1 11:19 30 Nov 2005

Ok, I have tried those but there is no change.

  alnwrd 15:30 30 Nov 2005

It sounds to me like a hardware problem. I have never come across any circumstances where sofware would cause this sort of problem.

  BigMoFoT 15:33 30 Nov 2005

and I bet your drive is running in PIO mode which means a problem with the chipset software. What chipset do you have? Intel, VIA or Nvidia?

  Diodorus Siculus 16:32 30 Nov 2005

alnwrd - one software cause is conflicting audio codecs which can affect both CD and DVD playback - that at least was documented in PCPro recently.

  Marty1 10:03 01 Dec 2005

Sory I don't know what chipset I have and don't know how to find out.

  Newuser4165 11:29 01 Dec 2005

As BigMoFot says it's probably in PIO mode but this doesn't necessarily meadn that the chipset is faulty.
You may be seeing the WinXP DMA bug.More than 6 read/write errors on a drive and XP switches the drive into PIO mode which stuffs DVD/cd playback.
You can fix it quite easily as follows:-
In device manager select the IDE controller running the drive.Right click it and select Uninstall.
Reboot the pc and all shpuld be well.

  Marty1 16:48 01 Dec 2005

Thank you all, yes the secondary ide was in PIO mode and is now back to dma and everything is fine. Let's hope it stays like that!

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