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  • Shenzhen Old Dragon Technology Limited

  • Country: China
  • City: Shenzhen
  • Address: Xinwuyuan,Gushu,Xixiang,Baoan
  • Contact Person: Alice zhang
Company Introduction
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Shenzhen Old Dragon Technology Limited is a Professional High-tech company Specializes in most advanced security products DVR,CCTV,We also provide sourcing service(Video door phone,Video intercom system,Smarthome system,Alarm system,etc.),and some kinds of electronics for customers.
The qu... Read Details
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DVR Frequently Asked Questions

Date: 2010/07/20
DVR Frequently Asked Questions 2009-9-19 15:28:58 Q. Why is HDD detection failed? A??Please check the power adapter as well as the HDD cable and HDD power cord between the HDD cartridge & motherboard. Or, you can change to another HDD for testing. Q??Why can''t my USB flash drive be detected? A. The hard disk of our DVR system can''t be accessed from your PC. That''s because the system format is designed only for our DVR. Q. Why can not see nothing but a blue screen after turn on DVR... Read Details