1. replace a power adapter with a higher power
2.remove the power cable and data cable of the hard drive
3. power-on test, to rule out the problem of power adapter and hard disk error
4. Restart after running for a period of time, check whether the main chip heat sink on the DVR motherboard is in good contact
5. If the problem cannot be solved, please send the log and version information of the DVR
DVR/NVR Can't find the HDD
1. DVR/NVR not support connect& disconnect HDD when the power on . You must to power off , connect the HDD . Then Power ON
2. Check if the HDD already power on . if the SATA cable connect correct .
Way : When power on . put hand on to the HDD to test it the HDD working(vibrate), if no vibrate . means the HDD no power in .
Pls change the 1 cable to test it .
Also change the SATA Cable to test it .
3. To check if the Power Adapter working or enough .
if can works in 1TB . can't working 2TB or 3TB . change to 5A Power to test it .
4. Check if the HDD Broken or not .
5. Usually the DVR support WD (Westdigital brand) If use the other brand . It maybe not compatibility well
7. if all no working . Please contact our technician.