Spent hours trying

    Hi I really need help.My DM500HD will not boot past first screen.In Hyperterminal I get messages " kernel panic not syncing fatal" Trying to flash from serial only I get " got wrong response from box HTPP/1.0 400 bad request content type text/plain servere : yahd v1.0" I get successful flash using using internet cable but again freezes at start screen.Can anyone help me please?

    Hi,
    Did you try with the original image ?
    I had the same issue, when loading de default settings my DM crashes, i returned it to service Repair.
    Try to connect a Hyperterminal, to see what is happenning at boot.