X starts with low resolution

[psionides]

Hi,
I've just started Knoppix (3.4/17.05) for the first time, and since I have an lcd monitor with optimal resolution 1280x1024, I booted with "screen=1280x1024". Unfortunately, X started at a lower resolution - 1024x768. I cannot change that using krandr, because it only lists 640, 800 and 1024. What do I have to do to enable that resolution? 1024x768 doesn't look very nice :/
I suspect that the cause of this might be my non-standard lcd monitor - it's name is Prestigio P171 and I found out that most distros don't detect it automatically and don't have it on the vendor lists ...

[A. Jorge Garcia]

Maybe its your video card or refresh rate. What do you have?

Regards,
AJG

[psionides]

My card is Nvidia Geforce FX 5700. I tried to set vsync= and hsync= values from the monitor manual (60Hz/63,9kHz or 75Hz/80kHz - both are for 1280x1024) but in first case Knoppix started in 800x600, and in the second - in 1024x768...

[A. Jorge Garcia]

Nvidia can be a problem. Is your card recognized during the boot process?

Regards,
AJG

[Stealth870]

I have a similar problem. My monitor should support 1280x1024@75Hz, but in Linux, I get 1280 at 60Hz, which is quite painful...and I really need my high-res becuz Firefox is so large at 1024x768... :roll:

[shah]

try sudo kxconfig