I have a Dell Latitude C640 in which I recently replaced the hard
drive. After installing winows xp Pro all is fine. I first noticed a
problem though with scrolling internet pages. the screen doesn't roll
smoothly, instead it seems to refresh itself to display the new portion
of the webpage (very choppy). Upon inspection there is not video
driver. The card in the laptop is ATI Radeon 7500 32MB (I don't know if
it is the mobility version). Using windows to install the ATI
Technologies, Inc. Radeon 7500 Family all seems well. However, the
scrolling problem is the same. So...I changed the display settings
(resolution) and all hell broke loose. The screen is wildly shaking,
buzzing, flashing, etc. To the point that nearly nothing is
recognizable. Using my desktop as a guide I managed to change the
resoluiton back but the problem persists still.
The laptop is essentially unusable to me right now. PLEASE! How can I
fix this. I am more than willing to clear the hard drive and reinstall
if thats what it takes. I should mention though, that this is the
second time I had to erase the HD and start over. Thanks in advance.

Go to the Dell site and look up your laptop. Obtain the correct video card
drivers from there.
http://support.dell.com/support/down...d=2552&libid=6
LCDs generally only work well at the one specific resolution.
Terry

"Rory Deol" <rdeol85******.com> wrote in message
news:1164950358.406480.33310@j72g2000cwa.googlegro ups.com...
>I have a Dell Latitude C640 in which I recently replaced the hard
> drive. After installing winows xp Pro all is fine. I first noticed a
> problem though with scrolling internet pages. the screen doesn't roll
> smoothly, instead it seems to refresh itself to display the new portion
> of the webpage (very choppy). Upon inspection there is not video
> driver. The card in the laptop is ATI Radeon 7500 32MB (I don't know if
> it is the mobility version). Using windows to install the ATI
> Technologies, Inc. Radeon 7500 Family all seems well. However, the
> scrolling problem is the same. So...I changed the display settings
> (resolution) and all hell broke loose. The screen is wildly shaking,
> buzzing, flashing, etc. To the point that nearly nothing is
> recognizable. Using my desktop as a guide I managed to change the
> resoluiton back but the problem persists still.
> The laptop is essentially unusable to me right now. PLEASE! How can I
> fix this. I am more than willing to clear the hard drive and reinstall
> if thats what it takes. I should mention though, that this is the
> second time I had to erase the HD and start over. Thanks in advance.
>