If you are hoping this will improve video performance for games this is unlikely to help much, if at all. Performance is dependent more on inherent characteristics, not how much memory it has. Video in Laptops is rarely upgradeable.
Even if you're able to increase the graphics memory, it's unlikely it will improve graphics performance. Graphics performance depends more on the Graphics Processor (GPU) than on the amount of graphics memory. Your laptop has a weak Intel GPU & there's nothing you can do to improve it's performance.
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