I'm sure you'll appreciate that more information is needed. First, is there
a startup bong? Second, if it flashes the happy Mac, that means there is a
disk in it -- I presume it is also preceded by a flashing disk icon? Third,
when you say the screen goes blank, do you mean the gray desktop background
pattern or do you mean black, as in nothing at all? Chances are it has a bad
startup disk which is causing it to hang as the system loads so you never
get to the actual desktop. Take that paperclip and eject the system disk and
try another one. If you don't have another one and it comes up with a
flashing disk, then all is probably well with your little $15 investment. If
not report back. Either way, from your limited description, I would say your
analogue board capacitors are fine and if there is a problem with the
hardware, it's on the logic board. A 128k upgraded to a 512k might also have
had the 800k disk upgrade. Check to see if there is a red light in the disk
drive after you eject the disk. If there's a red light you'll need a 400k
startup disk. If not, 800k. BTW -- How do you know if it actually has 512k
if you have not been able to get to the desktop and have no mouse?
> From: Jack Blake <[EMAIL PROTECTED]>
>The screen flashes
> the happy mac and then goes blank. The drive looks like it's trying to
> work but I can't really tell, and there's no beep. I find a paperclip
> and hit the interrupt switch, and first I get the happy mac, then I get
> the 0f000d code ("hey stop pressing that button there's nothing wrong").
> Now, after I let go of the switch, the screen goes blank again.
> Brightness isn't the problem, and the display itself clearly works fine.
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