XL 30 wont boot?

[zaico]

Hello, first off I f''''' this up my self I know

1. I tried to install 8.417.1255 navcore on my XL 30 series witch did not work, resulting in a flashing red X

2. then I formatted and copied over my backup, witch didn't work either, resulting in a flashing red x

3. now I have tried every solution I could find on the internet but nothing has helped so far..

so can anybody inhere help my getting my xl 30 series to work again.

ps. dos bootloader have anything to do witch this?

 

[zaico]

never mind, somehow the unit got converted to mac GUID partition instead of MBR partition, witch helped, now it works beautifully