Not able to install any OS

[Cool G5]

I'm not using Vista.
I figured out one of my RAM module was damaged & so removed it. The PC boots fine now but now the LCD monitor goes in standby when I connect it to my new zebronics 7300GT AGP graphic card(Replaced the old under warranty). It works fine on the onboadr via graphic. Why so?

 

[rohanmathew]

I think there may be problem with AGP Card.

 

[Cool G5]

@rohanmathew - Problem with a brand new AGP card? Seems too slim dude.

 

[Cool G5]

*img136.imageshack.us/img136/6837/monitorgraphicglitch.jpg

Guys I'm getting the above message when I try to boot Ubuntu 9.10. This appears once I get past the plymouth. But how can I change the input timing when I cannot even enter the menu of the LCD.

The new graphic card works randomly while at times the monitor goes on standby. I'm unable to understand why is it happening so.