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MediDVR Troubleshooting

Before you start to use MediDVR, please refer the manual of your video source device to get the correct information of video output signal that your video device supply.

You’re suggested to plug or unplug video source device to MediDVR while power off.

The built-in LCD screen or external monitor of MediDVR will display blue-screen if no video source input is connected, in which MediDVR can’t decide video input signal correctly.

In the following Problem/Solution section, please refer the solutions and adjust your devices correctly.


P: The equipment does not start up.

S: Confirm that the power plug is connected. (Make sure that it is properly connected to an outlet and has not become disconnected.) Switch the Power Button on.

P: The screen shows black or stripes.

S: If the incorrect video input option or input resolution selected, device will be unable to get video input signal or judge video input signal correctly, so screen will display incorrectly, such as noise, blue screen, or with vertical stripe. Please refer the follow table and set correctly depend on your video input device.

P: How to set the right resolution/FPS?

S: The equipment will automatically find the suitable Resolution and FPS depending on the input signal when starting up or the signal type is chosen. We recommend you not to manually change the options of Resolution or FPS except for special situations.


P: Cannot upgrade.

S: Try to restore to default under the setting menu and then repeat the upgrade procedure again.


P: Video color is not correct.

S: If the video color of small LCD or the color of recorded video is not correct, try to change Chroma-> Normal to Reversal under the video menu.


P: No Video on LCD and preview DVI output.

S: Check all physical connections.Make sure to use INPUT button to select correct video input.To preview the DVI output video, please go to Menu-> Video-> Output and switch on.


P: The selected Storage media is not right.

S: MediDVR requires manual selection of storage media.

Please use STORAGE  button to select correct storage media and make sure the disk is formatted in FAT32.

P: Recorded video corrupted.

S: Once video recording stopped, it will take some time to save video. When recording is stopped, the MediDVR takes a few seconds to save the file. To prevent data loss, before unplugging the storage device, please press the STORAGE button (or directly touch the storage icon in the upper right corner of the LCD screen) to select the current storage interface to eject the device.

When you hear a beep and the system prompts “USB# can safely remove the current storage”, eject the storage media.


P: Video don’t display correctly.

S: It is always a good idea to switch to the video or turn on the MediDVR after the video input signal connected stably. Set the video signal to AUTO under the video menu. MediDVR can detect and recognize the input video format automatically.

P: Use a TF Card while the video files malfunction/recording corruptions happened.

S: The writing speed requirements of the TF card are as follows:

     1. For TF cards with a speed level of V30 or higher, the write speed must be               greater than 60MB/s.

 2. It is recommended to use SanDisk Extreme, SanDisk Extreme. For users                 who need to record for a long time all year round, SanDisk High Endurance           is recommended. It is not recommended to use any TF card other than the             recommended TF card, which may result in no guarantee of video quality.


P: Use an USB Flash Drive while the video files malfunction or

recording corruptions happened. 

S: Low write speed may cause unexpected problem.

    The write speed requirements for USB flash drives are as follows:

    1. For USB flash drives with USB3.0 interface, the write speed needs to be                  greater than 60MB/s.

    2. It is recommended to use SanDisk CZ73, CZ74, CZ430 and CZ880. It is not              recommended to use any other USB flash drive as this may result in no                  guarantee of video quality.


P: The screen shows incorrect information when the files of a full USB drive has been deleted before long and the USB then connect the device again. 

S: In this case you can try to format the USB drive to “FAT32” or restart the device to solve this problem.