Download the Video driver from here:
http://www.nvidia.com/object/winxp64_93.71.html
Extract it > Open the Update driver in Device Manager > select the Have Disk option > Browse to the location you extracted the files and select the model:
NVIDIA GeForce 6150
FYI - If you have the same nVidia NIC card etc. as I do, then you can download the drivers for this and the chipset from here:
http://www.nvidia.com/object/nforce_....26_11.09.html
I hope this all helps.
Belated Good Friday, Happy Easter and God Bless you!