External subtitle loading: For loading external subtitles, you should name the subtitle file with the same file name as the playback video file.

DMA Mode:

It is HIGHLY recommended that you enable the DMA function of your DVD-ROM in order to reduce CPU loading when accessing DVDs. Windows XP and Windows 2000 both contain built-in DMA support.

Display Issues:

To ensure that CyberLink PowerDVD works properly, please install DirectX version 9.0 or higher.

Deinterlace issues:

CyberLink smart deinterlace is sophisticated video processing technologies that requires a lot of CPU power. If both bit stream analysis method and pixel adaptive are used, it is recommended that you use at least a 1.8 GHz system for optimal performance.

Blu-ray Disc Playback Capability and Limitation:

• Due to the high computation requirement for Blu-ray Discs, you may experience some video quality drop, frame drops or lower performance on particular titles. Make sure your hardware meets the minimum system requirements for Blu-ray Disc playback.
• It is also recommended that all non-critical applications are closed before starting Blu-ray Disc playback. Full CPU/GPU clock-rate is reserved for CyberLink PowerDVD Blu-ray Disc playback.
• Blu-ray Disc playback on an external monitor via a DVI/HDMI connector requires an HDCP capable display device.
• Advanced Access Content System (AACS) is supported for commercial content playback. Occasional renewals of AACS keys are required. An Internet connection is required for this operation.