I am facing a problem with the HP Probook 4510 while upgrading graphics. My computer is running Windows 7 operating system with 4 GB RAM and Core2Duo processor. I am having an on-board graphics of 128 MB. I am not able to understand why I am not able to upgrade it. I want to do the upgradation to play a game called NFS Prostreet because it requires more graphics. If anyone knows why the issue is happening, then please reply.
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