I have installed redhat 8 on my system which is already running on win millenium. Now I have problem in monitor becoz it is not listed there.(SAMTEL SV 370).If I kep defualt values then some gui games & everything do not open.It says too less colors to open. In defualt these r the values it had taken these values Horizontal sync range 31.5 - 48.5 Vertical refresh rate 50.0 - 70.0 resolution 480x600 color depth 256 colors DPI (physical resolution it is showing 0x0 mem size - I had to manually set the following parameters looking at the manual of the monitor.Now I am able to open the chess & everything but some times whole desktop flickers. Horizontal sync range 31.5 - 53.0 Vertical refresh rate 56.0 - 87.0 resolution 800 x 600 color depth 1000 of colors 16 bit DPI (physical resolution)81 x 81 dots per inch mem size- not known I had also set monitor width -250 mm monitor height- 187 mm Any answers pls

The monitor is actually not the main issue, it is the graphic adapter and it's memory. Your Linux obviously recognized the adapter. Now you can try to adjust for maximum resolution or maximum color or something in between.