DS-7204HGHI-SH BIOS DUMP file

Model DS-7204HGHI-SH

PCB: DS-80193_OSP REV 1.3

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)

How to Flash BIOS on RS-DM-142B

(RT809F Method)

Follow these steps carefully:

Computers & Electronics

1. Connect RT809F programmer to the BIOS chip.

2. Open the RT809F 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.

4. Load the downloaded BIN file.

5. Write and verify the BIOS.

6. Power on the laptop and check for display or signs of power!

! 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

Motherboard Boardview Files

Proceed only if you know what you're doing.

100% Tested