Screen has error message and won't play tape. What is wrong?

Hi,
If video head got clogged then camcorder wont read tape in playback so result comes as blue screen.
Please use video head cleaning tape and clean video head of camcorder. This will solve your problem.
Video-8 head cleaning tape is available with amazon.com
Thanks.

I think my Hi8 tape was magnatized I had 3/4 of the cassette taped I played it back once and when I went to play it back again I got a blue screen. I went to the local camera shop where we played the tape on his camera and we got intermitent static but no video. My canera is a Sony DCR-TRV260

Try to clean the head by the cleaning tape>
try to check the slant arm assy's position is in the proper palce?

Follow this procedure to troubleshoot if a blue screen is displayed when attempting to playback video from the camcorder.

1. Stop the tape.
2. Ensure the tape has been rewound to the beginning of the video recording.
3. Play the tape.
4. If the issue is not resolved, stop the tape and remove it from the camcorder.
5. Clean the video heads of the camcorder using a dry head cleaning cassette.IMPORTANT: Follow the instructions for use provided with the head cleaning cassette. It may be necessary to use the head cleaning cassette more than once per session.
   
6. Reinsert the tape into the camcorder.
7. Play the tape.
8. If the issue is not resolved, stop the tape and remove it from the camcorder.
9. Insert a different tape with video footage into the camcorder.
10. Ensure the tape has been rewound to the beginning of the video recording.
11. Play the tape.

NOTES:

• If a blue screen is still displayed, then the camcorder may require service .
• If the tape plays back correctly, then the first tape may be faulty or there is a problem with the video recording.

did u press play?

It could need a head adjustment. Any camera store can do that for you.

Unplug battery and reattach it again, then try to eject the tape.
If problem still exist and camera shows error code "C:..:.." and beeps then it is problem of tape mechanism.

It sounds like the tape door is out of alignment, causing stress on the tape and the inside mechanical system.  Requires a visit to the service shop.

This error is a mechanical malfunction, try this:
 

1. Eject the tape.
2. Set to OFF.
3. Detach the battery.
4. Reattach the battery.

 
Here is a link to your manual:
 
Manual
 

dav-dz100 a disc cannot be ejected and locked