• Why my CD/DVD/BD player and device can not read the disc?
• ► Device Issue : Your CD/DVD/BD player or device might be unstable and inaccurate, please try another CD/DVD/BD player or device and do it again.
  
  ► Disc Issue : If you received our disc with defect problems, please contact us for further assistance.
  
  ► Caution: We offer RMA service if your order occurs disc defect problems. However, if it is not disc quality problems, and we can not assist you. Please check your discs with other disc players or devices for clarifying the problem. Please kindly understand in advance.

• The files can not be played, and it’s unstable during the play ?
• ► The files can not be played : This might be a software supporting issue, please try other applications supporting the decoding format of your files, and it might work with your files.
  
  ►The video is unstable during the play : This might be a hardware supporting issue, please try other players or devices supporting the decoding format of your files, and it might work with your files.

• What players or devices can play DVD？
• DVD player, DVD-ROM drive, BD player, BD-ROM drive can support DVD play

• Can DVD players support Blu-ray Disc？
• ► DVD player, and DVD-ROM drive support DVD ；BD player, and BD-ROM drive support Blu-ray Disc
  
  ► Please check the Player or ROM drive with a Blu-ray Disc supporting mark before you insert the disc to play.

• Why my player or device can not play Blu-ray Disc(BD), DVD, and CD?
• ► Please try to play other discs, and check the problem is with the disc or not.
  
  ► Please try to play with other disc players, and check the problem is with the player or not.

• Does Windows Media Player play the Blu-ray Disc?
• ►Windows Media Playerdoes not support the Blu-ray disc，If you want to play a Blu-ray disc, and we recommend you to use the applications supporting the Blu-ray disc.
  
  ► Other streaming applications (Ex. GOM Player, POT Player…etc) might not completely support the Blu-ray disc as well, especially for the anti-copy Blu-ray discs.

• Here are the common applications for supporting Blu-ray disc play
• ► Please refer here below to see the details :  https://zh.dvdfab.cn/resource/blu-ray/blu-ray-player-software

• Does DVD have its own region codes?
• ► Yes, DVDs have its own region codes.
  It’s common to see DVDs have its own region codes due to the commercial factors. Most movie and video publishers would like to manage the regions around the world, and restrain the exports for their business interests. However, some DVDs do not have region codes, and thus those DVDs can be played on any compatible device over the world.
  
  Also, it’s common to see the problem that a region(1) only DVD can’t be played on a region(2) only DVD player. It will show up like this “ERROR: Playing Of This Disc Prohibited By Area Limits is displayed on the DVD player.” when you attempt to play a region(1) only DVD with a region(2) only DVD player.
  
  DVD region codes and geographic scope：
  Region code / Area
  
   (0) / ALL Worldwide. These discs have all region-1-through-8 flags set, allowing the discs to be played in all regions.
  
   (1) United States (incl. Puerto Rico), Canada, and Bermuda
  
   (2) Europe (except Belarus, Russia, Ukraine and CIS), Greenland, British Overseas Territories, Overseas France, Middle East, Eswatini, Lesotho, South Africa, and Japan
  
   (3) Southeast Asia, South Korea, Taiwan, Hong Kong, and Macau
  
   (4) Latin America (except French Guiana and Puerto Rico), Caribbean (except French West Indies), and Oceania (except French Polynesia, New Caledonia, Wallis and Futuna, and Hawaii)
  
   (5) Africa (except Egypt, Lesotho, Eswatini, South Africa, Mayotte and Réunion), Russia, Belarus, Ukraine, Central Asia, South Asia, Mongolia, and North Korea
  
   (6) Mainland China
  
   (7) MPAA-related DVDs and "media copies" of pre-releases in Asia
  
   (8) International venues such as aircraft, cruise ships, and spacecraft
  
   Please refer here below to see the details: https://www.sony.com.tw/zh/electronics/support/articles/00022799  (Sony)

• Does Blu-ray Disc have its own region codes?
• ►Yes, Blu-ray Discs also have its own region codes.
   However, Blu-ray Discs are different from DVDs, it use alphabets instead of numbers, and each alphabet stands for a certain region.
   
    The Blu-ray Disc region-coding scheme divides the world into three regions, labeled A, B, and C.
     Region / Area
  
     (A) Americas, Hong Kong, Japan, North Korea, South Korea, Macau, Singapore, Taiwan, Oceania (excluding Australia and New Zealand), Southeast Asia.
  
     (B) Africa, Middle East, Southwest Asia, most of Europe (excluding Belarus, Russia, Ukraine, Moldova), Australia, New Zealand.
  
     (C) Central Asia, China, Mongolia, Indian subcontinent, Belarus, Russia, Ukraine, Kazakhstan, Moldova.
  
     (FREE) Informal term meaning "worldwide". Region free is not an official setting; discs that bear the region FREE symbol either have no flags set or have all three flags set. Discs with no flags set may not play in some non-compliant players.
  
      Please refer here below to see the details:：https://www.sony.com.tw/zh/electronics/support/articles/00029369  (Sony)

• Why the DVD video quality is not so clear on my display device?
• According to the DVD-Video international standards, the resolution is    720x480，aspect ratio is 4:3.
  However, the most current televisions/displays resolution are commonly 1920x1080(1080p), the resolution can not be perfectly matched, and result in this awkward situation.
   
  The image quality specifications are as following below:
   
  ►Traditional Television / DVD Video
  Resolution: 720x480, aspect ratio: 4:3
   
  ►HD (High Definition)
   Resolution: 1280x720 (720p), about 1 million pixels, aspect ratio: 16:9
   Commonly used on most streaming-websites.
  
  ►Full HD (Full High Definition)
  Resolution: 1920x1080 (1080p), about 2 million pixels, aspect ratio 16:9
  Commonly used on most current television, Blu-ray Discs.
   
  ►2K (4X High Definition)
  Refers to a resolution of more than 2000 pixels in the horizontal direction
  about 3 million pixels.
  Resolution: mainstream includes 2560x1440 and 2048x1080 two types, and others are 2048x1536 (iPad 3rd generation), 2560x1600 (WQXGA).
   
  ►4K (UHD) Ultra High Definition
  about 8 million pixels
  Resolution: typically 4096x2160
  Others are 4096x3112 (Full Aperture 4K), 3656x2664 (Academy 4K)
  4K television or display (UHDTV) ↓
  Standard resolution: 3840x2160, aspect ratio: 16:9