Hallo Herr Thomas Desi via Freedos-user,

am Sonntag, 22. Juni 2025 um 12:57 schrieben Sie:

> When

>> Am 22.06.2025 um 00:23 schrieb Jerome Shidel via Freedos-user 
>> <freedos-user@lists.sourceforge.net>:
>> 
>>  running “QFNTLD40.EXE PGM826.FNT” 

>  my screen goes black, and a generic message on the screen tells me „NO 
> SIGNAL“

> Can’t get out from that. Need to switch of the machine. 

> What am I missing out?

Your monitor is obviously not compatible with the parameters used by PGM826.FNT.

That's why software usually changes back to 'save' parameters unless you hit 
some sort of [OK] button
when doing non-trivial changes to your video parameters.

VGA cards can be programmed to many more modes than any monitor would support.
The art is to find the intersection between what your monitor and what your VGA 
card support.

Tom




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