Elmar Weber wrote:
> Hello,
>
> John Doue wrote:
>> You are not saying what kind of OS is on the replacement hard-drive.
>> Without more info, I would suggest you boot into Bios, so that any OS
>> problem can be ruled out. If the Bios screen appears correctly, there
>> is a good chance the system is not damaged and you need to reinstall
>> the OS to confirm this.
>
> the HDD is not the problem, whether with HDD or without makes no
> difference.
>
> The problem is that the system does not boot into bios. It goes black
> before one has the chance to do anything on the system level - in the
> few cases it produces a video output. As described in the first post, in
> most cases there is no video output at all.
>
> ciao,
> Elmar
>

Then, hope for the best, which might be a loose connection. Open the
machine and try reseating all chips and connectors. Good luck.

--
John Doue