Troubleshooting Guides (50)

Security Cameras: Multiple feeds not displaying

Troubleshooting Guides

When using multiple analog cameras simultaneously, camera feeds not displaying indicates that some cameras may not be receiving the required amount of power. To ensure that the camera is receiving...

DVR / NVR - How to restore your recorder's display resolution to factory default

Troubleshooting GuidesDVR / NVR Recorders

If you have attempted to change the display output of your recorder to a higher resolution (e.g., 4K Ultra HD) but your monitor does not support 4K Ultra HD, there...

Hardware: DVR / NVR fan is loud

Troubleshooting GuidesDVR / NVR Recorders

Like most electronic devices, DVRs and NVRs have a fan inside them to prevent the unit from overheating and damaging the motherboard. All DVRs / NVRs exhibit minor noise from...

USB Device: Not detected

Troubleshooting GuidesDVR / NVR Recorders

You can connect a USB mouse, USB flash drive, or an external USB hard disk drive (HDD) to the USB port(s) on your DVR / NVR. If the DVR /...

DVR / NVR: System not turning on after being moved / bumped / dropped

Troubleshooting GuidesDVR / NVR Recorders

If your DVR / NVR system is not powering on after being moved, bumped, or dropped, it may be related to a power source issue or a loss of connection...

DVR / NVR: System not turning on

Troubleshooting GuidesDVR / NVR Recorders

If your DVR / NVR system is not powering on, it may be related to several issues including the power adapter being used, the power switch on the recorder, or...

Can't open your DAV file? Here's how to fix it

Troubleshooting GuidesDVR / NVR Recorders

If you're having trouble opening a video file with the .dav extension after backing up footage from your Lorex recorder, here's how to fix the issue and avoid it in...