KGuard NS821 8ch Or RS-DM-142B 2012-12-05
Common Problems Fixed
Flashing the Correct BIOS can solve the following issues:-
DVR/NVR does Not Power on Properly (No lights, no beeps, Nothing happens).
DVR/NVR System Restarts Automatically in a loop
X No Display /// Blank Screen,
DVR/NVR fan runs at full speed constantly,
DVR gets stuck in a LOGO (BIOS Recovery Mode),,,,
Use PROGRAMMER LIKE
CH341A pro
RT809H
RT809F
AND MORE
How to Flash BIOS
Follow these steps carefully:
1. Connect Programmer to the Bios chip.
2. Open the Programmer Software and read the BIOS to make a backup of the original file.
3. Extract the downloaded Bios file using the latest version of WinRAR. And 7zip
4. Load the Downloaded BIN file.
5. Write and verify the Bios.
! Important Bios Flashing Precautions
> Always backup Your original BIOS before flashing
> Make sure the BIN file Matches your exact motherboard model
> Incorrect flashing can Permanently damage the motherboard
> BIOS flashing may Void warranty
✓ SMARTLEDZONE provide 100% tested files
100% tested