First of all, don't freak out. These things are pretty fixable. Usual errors include bad sectors, phantom files and folders.

There is a website that helps very much: mympxplayer.org

There you can find all kinds of downloads, different schemes, you can even download the opening screens

of The Apple Ipod Nano, making your copy look even more real then the real thing. These units are quite

fun, many more options and features then the ipod nano. And the video is pretty good, considering.

How to fix that bad sector/missing space/phantoms Problem

Turn on your MP4 (disconnected) go to setup, go to Online Mode, make sure to select Normal Only.

Exit setup, turn off the unit (not standby, switch it off). Connect the unit (to PC) with the power off.

On your computer, open flash drive properties (usually d: or E: or F:) (on my PC its K:).

You will probably see two(2) flash drives concern yourself only with the lower drive.

(Example you see A: B: C: D: E: and F: drives, C: is your hard drive D: is your DVD Drive,

then both E: and F: are your flash drive (mp4) you will work only with E:, forget about F:, Don't use it.)

Now click on tools under drive properties, now click on Error-Checking, make sure that you click

'search for and repair bad sectors'  click start. Error-Checking will probably report that problems

were found and repaired. If so run the error-checking again with the same settings, until error-checking

reports the drive problem free. Then close the error-checking. Left-click on the flash drive, select Format,

click on 'Resotore Device Defaults' then proceed to format the flash drive. Now its ready to use.

They work better when you turn the unit off (not standby) before connecting to the PC.

This routine was developed on a Vista System (since vista works so well..... )

Other OS's might not have the same results. Shortly I will post on upgrading the firmware.

If you are looking to Purchase one of these units. The Rockwell Chips seem to be the leader.

Having an MP4 Problem? Let me Know, I Can Help, Or Point You To Someone Who Can.

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Knowledge is Power.....