Thanks, Eric.

Though I cited Edit, and the mode suggestion might improve that, I 
imagine that the improvement would be lost if I started a game or 
anything else that runs in a graphical mode.

In the meantime, I found this very dense thread on

Much of the discussion was a reach for me.  It seems that the long and 
short of it is that without some major hacking, native DOS is not going 
to look all that great with most combinations of video cards and LCD 
monitors (due, in short, to the LCD native resolution issue).


On 6/7/2015 3:40 PM, Eric Auer wrote:
> Hi! If you are sure that this is not an issue of your
> VGA or HDMI or DVI cable to the monitor, then I assume
> that what you are seeing is an artifact of your screen
> trying to zoom from the default resolution of DOS text
> mode to the native resolution of the screen. You could
> use the MODE tool of DOS to try other resolutions such
> as 80x30 VESA text mode. I good mode is probably some
> mode with a simple fractional ratio between resolution:
> E.g. 9x16 font, 80x25 text is 720x400 pixel which for
> 1920x1080 screens is a zoom factor of 8/3 horizontal or
> 2.7 vertical, your screen might either zoom everything
> by a factor of 8/3 (2.6666666666) or zoom independently
> in X and Y direction, giving a slight distortion.
> As 8/3 and 2.7 are not integer values, you will get a
> regular pattern of zoom artifacts. Some monitors are
> better than others in making those artifacts bearable.
> Regards, Eric
>> With FreeDOS 1.1 installed directly on real hardware, and testing with
>> two different LCD monitors and at least half a dozen different video
>> cards, I find that in every case there are vertical bands or fat lines
>> across the screen, visible as fuzziness on the black & white display
>> during boot, and then very noticeable in Edit.
>> But with every one of those cards, the display is crystal-clear on a CRT.
>> Can someone explain why, and if I can fix that via an adjustment on the
>> LCD monitor or by running some driver?
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