How to fix JVC GZ-MG20U if files cannot be deleted?
- KKimberly ChavezSep 3, 2025
If files are protected, remove protection from the files before attempting to delete them.

How to fix JVC GZ-MG20U if files cannot be deleted?
If files are protected, remove protection from the files before attempting to delete them.
How to fix JVC Camcorder if digital zoom does not work?
Ensure that [ZOOM] is set to [60X] or [700X]*. Note that digital zoom is not available in still image recording mode. For GZ-MG30U/GZ-MG20U optical zoom can go up to 25x, and [ZOOM] can be set to [100X] or [800X].
Why does my JVC Camcorder image look like the shutter speed is too slow?
When shooting in the dark, the unit becomes highly sensitive to light when [GAIN UP] is set to [ON]. If you want the lighting to look more natural, set [GAIN UP] to [OFF].
Why does the same image display for a long time during video playback on my JVC Camcorder?
If the surface of the SD card is damaged, it makes it difficult to read data. It is recommended to run check disk regularly on the PC, on condition that there is no data on the hard disk of the camera.
Why is my JVC GZ-MG20U image too bright?
If the subject is too bright, try adjusting the exposure manually.
Why is my JVC Camcorder image too dark when recording?
If you're shooting under backlit conditions, try using backlight compensation or adjusting the exposure manually.
How to fix JVC Camcorder if the focus does not adjust automatically?
First, ensure that the focus is set to the automatic mode. If it's already in automatic mode, check the lens for dirt or condensation and clean it.
What to do if my JVC GZ-MG20U Camcorder recording cannot be performed?
If you see the message '[MEMORY CARD IS FULL]', replace the recording medium or delete unnecessary files. Also, ensure that the recording medium is properly selected.
Lists and describes all included accessories with the camcorder.
Step-by-step guide on how to attach the shoulder strap to the camcorder.
Instructions on how to attach the lens cap for protection.
Guide for attaching the core filter to cables to reduce interference.
Details on how to open and adjust the LCD monitor.
Detailed explanation of camera controls and their functions.
Explanation of various indicator lights and their meanings.
Lists and describes other external parts of the camera.
Identifies and describes the camera's connection ports.
Explains the icons and indicators displayed on the LCD monitor.
Covers power supply options and charging the battery pack.
Details on using and managing the battery pack.
How to check battery status and information.
Instructions for using the AC adapter for power.
Describes how to set the camera to different operating modes.
Explains how to switch between recording and playback modes.
Details on selecting between automatic and manual shooting modes.
Explains how the camera operates when the power is switched on/off.
Guide to changing the display language.
Instructions for setting the camera's date and time.
How to adjust the brightness of the LCD display.
Instructions on how to adjust the camera's grip for comfort.
Information on attaching the camera to a tripod.
Steps for inserting and removing SD cards.
Guide on how to format the hard disk or SD card.
How to choose between the internal HDD and SD card.
How to check available space on the recording media.
Explains the drop detection function to prevent data loss.
Instructions on how to record video using the camera.
How to use the zoom function for close-up shots.
Procedure for deleting recorded video files.
Steps for playing back recorded video files.
Guide on navigating through files using the scroll bar.
How to find files by date using the index screen.
Explains different playback controls and functions.
How to delete video files during playback.
Instructions for connecting the camera to external display devices.
How to dub recorded video to a VCR or DVD recorder.
How to use the remote control for playback operations.
Instructions for capturing still images.
How to use zoom for still image photography.
How to enable and use continuous shooting for stills.
Procedure for deleting captured still images.
How to view still images as a slide show.
How to view thumbnails of still images.
Guide to navigating still image files using the scroll bar.
How to find still images by date.
How to rotate still images.
How to zoom in on still images during playback.
How to adjust settings for backlit subjects.
Information on the LED light for illumination.
How to meter exposure for specific areas.
Overview of manual settings available in the MSET menu.
Guide to navigating and selecting menu options.
How to manually adjust exposure settings.
How to manually focus the camera.
How to adjust white balance for accurate color.
How to adjust shutter speed for motion control.
Using automatic exposure modes for different shooting situations.
Applying visual effects to recordings.
General instructions on customizing camera menus.
Overview of common menu settings across different modes.
Specific menu options for video recording quality and zoom.
Settings for wide-screen video playback.
Settings for tele-macro shooting mode.
Options for managing video playback lists and effects.
Menu options for still image quality, size, and self-timer.
Options for still image playback, protection, and deletion.
Solutions for common camera problems and errors.
Troubleshooting issues related to power and battery.
Troubleshooting issues related to recording.
Solutions when recording is not possible.
Advice for shooting subjects in bright light.
Troubleshooting screen visibility in sunlight.
Solutions for missing date/time information.
Explains LCD monitor indicators and their meanings.
Troubleshooting issues with digital zoom function.
Solutions for LCD display issues.
Troubleshooting dark recorded images.
Solutions for white balance activation issues.
Information on the black and white fader effect.
Solutions for playback issues.
Troubleshooting display issues.
Solutions for slow continuous shooting.
Troubleshooting charging indicator light issues.
Solutions for automatic focus failures.
Troubleshooting color image anomalies.
Solutions for white balance activation issues.
Explains various warning messages displayed on the screen.
Actions required when the date/time is not set.
Instructions when the lens cap is attached.
Message indicating no memory card is inserted.
Message indicating an unformatted SD card.
Message indicating the hard disk drive is full.
Message indicating the memory card is full.
Error messages related to HDD or memory card.
Troubleshooting file system issues.
Solutions for broken video management files.
Message when no video files are found.
Message when no memory card is detected.
Message for unsupported file types.
Message indicating folder limit reached.
Message when no video management file is found.
Issues with broken play list management.
Message when no scenes are in the play list.
Message when play list is empty.
Warning about camera overheating.
Troubleshooting data recovery failures.
Issues with recording medium compatibility.
Instructions for cleaning the camera exterior, LCD, and lens.
Guidelines for handling the included CD-ROM.
Steps to take in case of severe camera malfunction.
Regulatory compliance and FCC information.
Technical specifications of the camera, lens, and other components.
Details on the AC adapter and its power requirements.
Information on the remote control's power and operating distance.
Tables showing approximate recording times and image capacities.