IC Realtime Combo Series: 8 Channel DVR with built-in 19 LCD monitor - Manual (Page 127)

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9 FAQ
1. Combo DVR can not boot up properly.
There are following possibilities:
z Input power is not correct.
z Power connection is not correct.
z Power switch button is damaged.
z Program upgrade is wrong.
z HDD malfunction or something wrong with HDD ribbon.
z Seagate DB35.1，DB35.2，SV35 or Maxtor 17-g has compatibility problem. Please
upgrade to the latest version to solve this problem.
z Front panel error.
z Main board is damaged.
2. The LCD does not work after device booted up.
There are following possibilities:
z The screen is damaged during the transportation resulting from the heavy vibration.
z You have pressed the M button, but there is no PC signal input. Please press M again
to resume.
z The LCD connection is loose. Please contact your local retailer for help.
z Upgrade program is not correct. Please select the corresponding program to upgrade
again.
3. Combo DVR often automatically shuts down or stops running.
There are following possibilities:
z Input voltage is not stable or it is too low.
z HDD malfunction or something wrong wit the ribbon.
z Device power is not enough.
z Front video signal is not stable.
z Working environment is too harsh, too much dust.
z Hardware malfunction.
4. System can not detect hard disk.
There are following possibilities:
z You forgot to connect the HDD cable
z HDD is broken.
z HDD ribbon is damaged.
z HDD cable connection is loose.
z Main board SATA port is broken.
5. There is no video output whether it is one-channel, multiple-channel or all-channel
output.
There are following possibilities:
z Program is not compatible. Please upgrade to the latest version.
z Brightness is 0. Please restore factory default setup.