Well Dream anounced that some early 3rd party images are bricking the receivers ! because they were developed too fast without much knowledge of the receivers architecture, You should realy wait untill Gemini or LT release there official images for this receiver, simply because every other image is based on the Gemini Images when a new Dreambox receiver comes out....
Taken from Dream multimedia Website....
Warning ! Dreambox 500 Hd & Bricking
If you have a new DM500HD unit please be aware of a potential issue with
some early version 3rd party images that may/will BRICK your DM500HD
and could void the warrenty. The sympton will be that after power up the
front LED will stay permt GREEN, The Ethenet port and USB port will be
non responsive.
You may be able to recover the unit by using the latest Dreamup 1.3.3.5
with both the Ethenet and USB cable conected. BUT if you get a reply
from Dreamup stating "Waiting for acknowledge" and no further
activaty. The unit will have to be returned to your place of purchase or
Dream Germany for repair.
Resellers have been made aware of this problem and have adviced their clients accordingly, Some will not replace the receiver if it has been flashed with any 3rd party image !
This problem is not a Dream Multimedia issue but something created by the 3rd party software developers who have not thorouly tested the images before releasing.
I beleive LT and Gemini images will be released shortly, its better to wait a little....
BE VERY CAREFULL WHEN LOADING UNPROVEN FIRMEWARE AS YOU MAY END UP WITH AN EXPENSIVE DOORSTOP.
All units sold are preloaded with factory release images only.
As stated the problem is related to corruption to the bootloader and
that All faulty units will have to be returned to Dream Germany (At your own expence in some cases ) for reprogramming. Even though this is not a Dream Multimedia problem as it is clearly stated that any installation of 3rd party software will void the warrenty.