Installing a graphics card

Hermione_Granger

I have a desktop PC which has an integrated graphics card on the motherboard, and am considering fitting a new, separate card to improve the video quality.
I've been reading up on this and it seems easy enough to do (my PC has a spare PCI slot to accomodate this card).

However, there is one thing that is bugging me.
All of the sites I have visited for tips state that before fitting a new card, the currently installed graphics drivers should be uninstalled or disabled before fitting the new unit.
I was wondering what the score would be if the driver was deleted then the new card installed, but it had a problem and wouldn't work correctly.
As the original graphics driver would no longer be instaled or enabled, surely this would result in a blank monitor and no way to re-enable the integrated graphics driver due to not having any monitor display. (or am I missing something obvious?)

Many thanks for any advice.

closed

what's wrong with the quality, used for games?

backup beforehand with disk imaging software http://www.macrium.com/reflectfree.aspx , then whatever happens, you can put it back

Hermione_Granger

Thanks Closed.

The PC isn't used for gmes apart from very simple ones such as card games etc.
The problem with the graphics is that it sometimes the picture gets pixellated when watching DVD's. (I've played the DVD's in other computers without a problem.
It seems to happen mostly when there are lots of flashing images along with fast moving action scenes such as war films.

What would happen to the PC if the new card and related drivers were installed without removing or installing the current driver?

closed

in theory, windows should sort itself out if you need to uninstall the new card after fitting, but it would be prudent to at least create a system restore point beforehand, if doing a full disk image and boot cd isn't practical

http://windows.microsoft.com/en-GB/windows7/give-your-pc-some-graphics-muscle-by-installing-a-new-video-card

If the machine is reasonably new, branded machine, then the onboard card should be able to handle dvd's, it could be an indication of another bottleneck (Antivirus etc) or misconfiguration of dvd drivers, or possibly a dvd drive problem.


Is itunes installed, are these bought commercial dvd's