You don't have to see OK or Apply buttons.
Make the change and hit the Enter key.
...Alan

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Alan Edwards, MS MVP W95/98 Systems
http://dts-l.org/index.html
In microsoft.public.win98.setup, wiltseggs@hotmail.com (smallholder)
wrote:
>My PC has been set to 640 x 480 pixels - which is far too large for my
>screen - but I am unable to change it back using the Display/Settings
>screen as this screen is now too large to be displayed completely and
>I cannot see the OK/Cancel/Apply buttons at the bottom - any help
>would be greatly appreciated - many thanks