Download or HWiNFO . These will tell you the exact graphics chipset manufacturer and model.
A: No. PN 533207-001 is a motherboard/part number. The "VGA" refers to the graphics driver, not the blue VGA port on the back of your PC. pegatron driver vga hp pn 533207 001
If you have confirmed the chipset is Intel G31/G33/G41/G45: Download or HWiNFO
A: Because Intel stopped providing updates for the GMA 3100 series after Windows 8. On Windows 10, the Microsoft Basic Display Adapter has no 3D acceleration. You should install a cheap used discrete GPU (like a Radeon HD 5450 or GeForce 210) to restore full performance. pegatron driver vga hp pn 533207 001
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