Trouble at Bootup
 

Hey whats up everyone , installed redhat 9.0 and i selected my default bootup to the gui , instad of the test mode , when i boot up the resolution is to big and i can't see anything i can't login i have no idea what screen im at , i know that i have to use the low res command but as soon as i boot up it skips that and jumps straight into the os how can i fix my resolution anyone please email me at jtabar258@yahoo.com please i wanna fix it asap thanks...