A number of users here have had problem with LH-20A1P/LH-20A1H and pressed dual-layer DVD-Video disc. The drive doesn’t recognize the disc. The disc plays fine in standalone DVD players. For one user, the symptom when inserting the disc was that the LED went on for 20 seconds then blinked for 5 times before went off and Windows saw it as there was no disc in the drive. He had to RMA the drive just to find out that it’s still fail to recognize the disc most of the time. He has to load-and-eject the tray for several time before the disc can be recognized. The DVD-Video disc in question is JBF31012005 V.697 (DVD9 -RESIDENT EVILS 2) For Promotion Only came with a standalone Pioneer player and it’s his only pressed DVD disc. There is no problem with other types of discs either reading or burning. The S/N and origin of the drives (original one and the RMA’ed one) are: LH-20A1P 2337074xxxxx China Feb 07 and LH-20A1P 3227074xxxxx China Feb 07.
Another user also has the same problem but with LH-20A1H 3136504xxxxx China Dec 06.
Also I heard a member saying:
So is it the norm for Lite-On drives not to like pressed DVD-ROM? Is there any remedy for this problem?