Digital Video Recorder
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Appendix 5 — Troubleshooting
Following are some frequent problems and solutions related to the DVR. Read this section before calling the dealer
or installer.
Problem: There is no image on the screen.
Solution
: Check the camera cables. If the Video Loss image is displayed, something is wrong with the camera cable
or power.
Solution
: Video might not be displayed on the monitor when connecting a monitor after turning on the system. Reboot
the DVR.
Problem: How do I access Windows?
Solution
: To protect unnecessary system crashes, Windows is blocked. Ask your dealer or distributor.
Problem: The logo appears and then freezes. Sometimes the screen is black.
Solution
: There is a problem with the Main Board. Reboot the DVR. If it happens often, call your dealer or installer.
Problem: The USB-serial converter has been connected to the DVR for the POS installation, however,
the dialog box asking the device driver appears.
Solution
: When connecting the POS device to the DVR using the USB-serial converter, connect the converter while
the DVR is operating. If not, the converter driver may not be operating properly and display the dialog box asking
the device driver during the system boot. However, it does not have any effect on the DVR operation. Remove the
converter, and reboot the DVR and then connect the converter again.
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