Phillips-head screwdriver, tweezers or jumper cap.
If the software method fails (common on older Raysharp models like the RSD series), you must perform a hardware reset. This requires physical access to the DVR’s motherboard. raysharp dvr password reset
: Disconnect power, open the case, and carefully remove the CMOS battery (the small coin-shaped battery). Power the DVR on for a few minutes to drain stored settings, then replace the battery and restart. Jumper Reset Phillips-head screwdriver, tweezers or jumper cap
If software methods fail, a physical reset can often restore the device to its default factory state. Reset Button: open the case