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Re: No display signal after installing Debian on PowerMac 8600

On (13/05/04 09:24), Lukas Foljanty wrote:
> >On (12/05/04 21:43), Lukas Foljanty wrote:
> >>Hi.
> >>
> >>I am a total newbie to Linux, so perhaps this is all stupid, but I 
> >>have
> >>a problem I cannot solve after installing the current build of Debian
> >>on my PowerMac 8600.
> >>
> >>Here it goes:
> >>I (successfully) installed the basic installation of Debian (CD
> >>distribution 1) for PowerMacs/PPC. I partitioned the hard drive,
> >>installed some modules and then finished the installation. When it 
> >>told
> >>me that the installation was finished I restarted my Mac.
> >>
> >>However, now I don't have a display signal! When booting of a split
> >>second, the display receives a signal, but then goes blank. I can hear
> >>the computer working and seemingly, it responds to keyboard inputs
> >>(from the sounds it makes), but since the screen is black, I don't 
> >>know
> >>what's it's doing.
> >>
> >>What's worse, I cannot boot in MacOS, either (neither booting from HD
> >>nor CD). So I am completely stuck here.
> >Hi Lukas
> >
> >It is likely that during the install you chose display settings that
> >aren't available ... unless, of course your monitor has died ;)

<snip> >
> Hi Clive (and all).
> Thanks a lot for your email.
> Following your advice (zapping the PRAM), I was able to return to MacOS.
> I checked BootX for video settings and found a check box labeled "no 
> video driver". I selected it and started re-installing Debian.
> Just like before, the installer works flawlessly (correct video 
> output). Unfortunately, after re-booting, the display was all blank 
> again.
> I also tried to restart with Boot parameters for old Apple displays 
> (video=atyfb:vmode:6), but that didn't help either. The monitor is a 
> 12" monochrome Apple display.
Ah!  I would do some googling on "monochrome display" - I found this
thread which is a start

I suspect that you need to do something like video=mono but I'm
guessing.  You might be better off trying to pick up a second hand
colour monitor.  VGA will work with a Mini D-Sub 15Pin Mac to VGA
adapter - I got one off EBay the other day for about 5 Euros.



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