Suse 11.0 freezes during installation caused by graphic card

Hi,

the first time I installed suse 11.0 onto my laptop the installation was fine but the KDE4 was not stable enough. So, I tried to re-install the system (with using KDE3.5). Now the installation freezes at different points of progress if it starts at all. Often I don’t even see the manufactors logo but only a black monitor. I did it a lot of times but nothing changes.
I searched the internet for help and found out that my graphic card - ATI mobility radeon 7500 - seems to cause this error. However what I didn’t found was an approach for my problem.
Can anybody help me?

\edit: When the system seemes to start I goto the boot manager (f12) where the error 15 occurs. What’s that supposed to mean?

Can you explain this more? It’s not clear what you are referring to. f12???

Sorry, meant was the button “f12”

My problem has solved itself, if you want to call it that. The problem was actually caused by the graphic card, more precisely graphic chip which ****ed up - independent of suse.