Need help really bad its a screen problem

ok when i play SRO on my moms computer it loads great i see my hp all words mo the numbers my horse pic and health and my bears.
when i play on my computer windows XP i cant see my hp mp bear info or horse in or the stuff that pops up on screen like were a new monster has appered and the words in the bottom right corner in box pop in out i cant see them either i was wonder is there a way i can fix this

press the esc button while ingame and change the resolution. Maybe its to high or maybe to low. Play around with that abit!

change the game resolution till you find the one that works for ya