LG GSA-H22N/H22l

i bought a LG GSA-H22N/H22L dvd/cd burner/player burner but when i play dvds they are always choppy and i cant figure out what the problem is. any help would be gr8

Pressed DVDs or your burned backups? What program are you using for playback?

just normal movies and im using cyberlink power DVD


Video card specs?

Check your DMA settings, you should have UDMA4, but at least UDMA2.