hello i am italian man and sorry for my bad english but i have need help for my dvr..i don't know the model and can't update firmware..this dvr are china production but when power on it does not sound of bios and the screen are dark...hard disc working ..i don't know the exact model for flash firmware...you can help me?this dvr have chip NEXTCHIP NVP1104B ,PROCESSOR HI3515RBC and nand spansion s29gl064n90tf104....this dvr after thunderstorm it was power on but screen was black..no image...any solution?
i found the model on web similar
1 https://imall.com/product/Embedded-Linux-4-Channel-H.264-Network-Digital-Video-Recorder-w-Remote-Controller-Champagne/Home-Office-Alarm-Protection-DVR-Cards-Systems/dx.com/129522/32-90103/en
2 https://manualzz.com/doc/25576355/dvr-9314v
3 http://focuscctv.blogspot.com/2012/02/dvr-jpdtech-ls-304-vs.html
MORE MODEL of this dvr but nothing firmware..unfortunately i don't have backup ..
https://ibb.co/X5Tttfq
https://ibb.co/hFHxg7Z
https://ibb.co/GF4tb9s
https://ibb.co/zQpYp6q
https://ibb.co/mRM9bHm
https://ibb.co/WGpmd4Q
