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Question about JVC Everio GZ-MG21 Camcorder

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Hard drive full & cannot delete

Because "no file are stored" comes up when I try to play videos on lcd screen. but if I plug into computer all my videos play under sd video. I tried to put the video on a dvd+rw but no success. I really am having troble under standing the manual. Who can suggest a better place to learn to use the everio gz.mg21

Posted by zippy gen on

  • JEFPH Mar 28, 2009

    where do you stick the papercilp?


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There is a reset button on the camcorder. To access it you have to use a paperclip. First I would try to format it from the menu screen within the camcorder and then reset the camcorder to factory. This would delete all the files.

Posted on Sep 01, 2007


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Okay, ours is a different brand (JVC) but they may have some basic similarities in function. To playback video clips stored on the memory card, put the memory card in the card reader slot of the computer and put the files onto the computer. Playback the clips from your computer video or photo file. (Ours won't playback video stored on the memory card through the camera.)

To playback video clips stored on the camera hard drive through the camera, we open the viewer screen, look at the function keys on the camera body, select the "Play" button. On the screen it displays thumbnails of the various video clips. We use the toggle/function key to select from the menu containing options for playback, edit, delete, protect, etc.

My playstation 3 is not playing any games. It

Be sure to folleow these instructions to the letter, you could damage your PS32_bing.gif if you choose the wrong option! I do not take any responsibility! Please proceed at your own risk! If you read and follow the instructions exactly you should not loose any data! Feel free to ask questions if you are confused so you don’t make a mistake!! Sorry, I had to say it, I don’t want anyone mad at me if they make a mistake, don’t back up their data and erase it, and then blame me…

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

The current version of the ps3 firmware has a “recovery console”.
You access it by

1. Start with having the system in standby (redlight is on)

2. Hold the power button down; the system will turn on and turn off once again.

3. Press and hold the power button again and keep holding, it will beep as it turns on and then it will double beep. When you hear the double beeps immediately take your finger off the power button (if your system turns off before you get a double beep just try again and hold the button, it should double beep the 2nd time you try)

4. You will be prompted to plug in your controller via USB and then hit the PS button

You will now have a screen with these options

1. Restart System: Restarts the PLAYSTATION®3 System.
2. Restore Default Settings: Reset all system settings back to default.

CHOOSE THIS ONE 3.Restore File System: Checks for corrupt/missing system files.
4. Rebuild Database: Rebuilds the OS for the PLAYSTATION®3.
5. Restore PS3 System: Fresh restore; Deletes everything and starts from Scratch.
6. System Update: Update the PLAYSTATION®3 System



After this, it is going to restart and bring up a screen reading something like “you have Corrupted System Data. Your PS will now replace this data” Then you choose continue and that should be it.

This option reinstalls the system files and drivers inside the PS3 with the original ones that are stored on your hard drive. In this case, it replaced a corrupted driver for the blu ray drive thus fixing my issue and hopefully yours!! This option will only replace all system files thus saving you from loosing any data that’s stored on your hard drive. Again this option does nothing to your hard drive it reads a file from the drive and rewrites it to the PS3 system.

Here is a video of the recovery screen.


If you want a more technical understanding of what this is really doing continue reading. DO NOT NEED TO READ THIS TO COMPLETE REPAIR. The PS3 does not boot from your hard drive as a computer does. It has a flash memory like a cell phone that stores all system files and system firmware updates that you get when the PS3 updates. This is why reformatting your hard drive will not fix your problem, none of the system files are stored on your hard drive (ex. XMB, system firmware, etc.) nor do they run from the drive. However, your hard drive does contain a full backup of your SYSTEM files and thus when you choose option 3: RESTORE FILE SYSTEM it rewrites the original system files from your drive (which aren’t corrupted) back to the flash



Go to your "my computer" icon on the computer and you should be able to see all available drives on the computer. Your camera should appear as an external hard drive. You can open the drive and then open the files in the drive. Simply click and drag the files from the camera to your video folder on your main hard drive and you are good to go. Windows Media player should play the videos....or use an editing software like power dvd.

How do you use an external hard drive as storage for your files?

Well the drive could be, usb,,1394firewire,,e-sata,, you just plug in the drive and windows will see it
and install it. If you have enough room on the drive you could use windows backup,and backup your entire system and put it on the drive, but the drive has to be formatted NTFS not fat.
Read your manual to see what format the drive comes as, fat32 has a file size limit of 4g, so as long as you are not putting on huge files or want a backup you can just stick with fat.
It is better not to keep formatting a drive, if you want to delete a file of the entire drive just delete the files
and try not to format. Some people use format as a way to delete,this will shorten the life of a drive.

Once the drive has been plugged in it will show up under my computer as a drive, you just open the drive
like a folder, You can make a few main folders inside the drive,pics,video, it is basically just another
folder. If you have one hard drive,and one cd drive, the external should show as (E).

Hope this helps you.If you have any other questions please post back and everyone is more than happy to help you.

I am trying to load a game on the PS3 but the hard drive is to full and needs emptying I can not play the games and I am not sure how to do this

Do you have videos and games stored on your HDD?
Games need a certain amount of HDD to play (not sure how much though sorry) and the easiet way to free up some space is to delete some videos, demos, pictures etc.
Go to the relevant option eg 'video' on the main menu and select the file you wish to 'sacrafice' to play your games. To do this, press the triangle button on the item and scroll to delext and press the 'X' button. Once deleted, it will not be retrievable without relaoding it.
However, ensure that the problem is definitely with the HDD being full to avoid deleting unnecessary data. Bear in mind that many external HDD work on the PS3 via USB plug in, as an option to store data instead of on your PS3 HDD. However, not all are compatable, so check first if you are buying one solely for this reason.

Recording problem

how do i use the lighting of my camcorder

Hard drive full cannot delete

JVC manual site

Download and install adobe reader, if needed

Right mouse click and "save target as" to save each manual to a file

Everio gz-mg21u hard drive is full ?help

Do you have all the manuals

JVC manual site

Download and install adobe reader, if needed

Right mouse click and "save target as" to save each manual to a file

review page 29 and 31 to delete video and images
Review page 36 too
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