QSD2316L DVR User’s Manual99Appendix A FAQQ1. The DVR does not start after connecting the power, what is wrong?a. The power adapter may have been damaged, or is not providing enough power. Please change the adapterb. The DVR may not be getting enough power from the outlet or surge protector it is attached to.c. There could be a problem with the system board on the DVRQ2. The indicator lights of the DVR are on, but no output. Why?a. The power adapter may have been damaged, or is not providing enough power. Please change the adapterb. The video format of the DVR is different from that of the monitor.c. Connection problem. Please check the cable and the ports of the monitor and DVR.Q3. Why are no images displayed on some or all of the channels of the DVR?a. Connection problem. Please check the cables and the ports of camera and DVR.b. Camera problem. Please check the cameras by attaching them directly to TV or working port on DVR.c. The video format (NTSC/PAL) of the DVR is different from that of the cameras. Please change DVR video format.Q4. Cannot find HDDa. The power adapter is not providing enough power, or the adapter is not getting enough power from the outletb. Connection problem. Please check the power and data cables on the HDD.c. The HDD is damaged. Try a new one.