FAQ
158
7 FAQ
1. DVR cannot boot up properly.
There are the following possibilities:
• Input power is incorrect.
• Power connection is incorrect.
• Power switch button is damaged.
• Program upgrade is wrong.
• HDD malfunction or something is wrong with HDD ribbon.
• Front panel error.
• Main board is damaged.
2. DVR often automatically shuts down or stops running.
There are the following possibilities:
• Input voltage is not stable or it is too low.
• HDD malfunction or something wrong with the ribbon.
• Button power is not enough.
• Front video signal is not stable.
• Working environment is too harsh, too much dust.
• Hardware malfunction.
3. System can not detect hard disk.
There are the following possibilities:
• HDD is broken.
• HDD ribbon is damaged.
• HDD cable connection is loose.
• Main board SATA port is broken.