I play a lot of half life mods and i have the same fault
first turn off fast rights in display control panel
if this dont work play in 800*600
as for ur 3dmark u should always make sure all nvidia drivers r total
removed

( pain
as for ur problem now
when u reinstall ur hard drive
aways install
1st os
2nd Motherboard Drivers u MUST do this before anythink else
3rd if u can go online update windows ser Pack 1 plus all updates
4th all ur drivers
"Nidhal Abaza" <(E-Mail Removed)> wrote in message
news:vMOdnYbuxsBbl8miU-(E-Mail Removed)...
> I just installed an ATI 9800 Pro All In Wonder video card. It replaces a
> Ti-4200 I had that died. I am pretty sure the installation did not go
well.
> First of all, my 3DMark 2001 score came in at about 9000. Not to get too
> hung up on scores, but my Ti-4200 scored a 9100. Seems like my 9800 should
> blow that score away. And whenever I fire up Half-Life, it only appears in
> the upper left hand corner of the screen (about 25% of the screen). I
don't
> think there is anything wrong with the card itself. I suspect the problem
is
> this: the manual says to make sure the proper AGP controller driver is
> installed before installing the card. However, I couldn't do that, because
I
> was replacing a dead video card and had no way of booting up without the
ATI
> card. I did a fresh install of Win XP, installed the ATI drivers/software
> from the disc, then installed the updated versions from the website, and
> then tried to install the AGP driver that came with my motherboard's CD. I
> got an error that said "A software error occurred: Cannot Install Intel
> graphics driver on current graphics device". Does anyone know how to get
> around this?
>
>