I need a new graphics card to prevent this from happening:

Any suggestions on what kind to get?
Model: probook 4520s
Installed memory (RAM): 4.00GB RAM (2.9GB usable)
Processor: Intel(R) Core(TM)i3 CPU M 370 @ 2.40GHz 2.40GHz
System: 32-bit Operating System
Graphics: Intel HD Graphics (integrated)
ATI Mobility Radeon HD 530v with 512 MB dedicated video memory (discrete)

Any suggestions on what kind to get?
Model: probook 4520s
Installed memory (RAM): 4.00GB RAM (2.9GB usable)
Processor: Intel(R) Core(TM)i3 CPU M 370 @ 2.40GHz 2.40GHz
System: 32-bit Operating System
Graphics: Intel HD Graphics (integrated)
ATI Mobility Radeon HD 530v with 512 MB dedicated video memory (discrete)

