changing resolution without screen

[david]

On Thu, 2005-01-13 at 06:18, Douglas Alves wrote:
> What a predicament!
> 
> I just installed Warty after spending the day resizing an XP partition and
> updated Warty from ubuntu.security.
> 
> The last question the installer package makes in text mode is to choose what
> screen resolutions I should allow the system to use. Wanting to see how it
> looked, though I knew I wouldn't use it, I marked the highest (it was
> something like 1600x1400) besides the traditional ones of 1024x780 and
> 800x600.
> 
> I now see that that first resolution was too high for the monitor, because
> now a box comes up saying the operating frequency ranges are
> HF 30-71kHz
> VF 50-160Hz
> 
> Can somebody help me with the keyboard sequence to set the resolution to
> 1024x780 ?
> 
> I still have the computer on as, being new to Linux, I don't know if I can
> safely reset it and enter Ubuntu Rescue.
> 
> Desperate Newbie
> Douglas Alves
> 
> 
> 

Control Alt Minus and Control Alt Plus

David