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Cake day: June 28th, 2023

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  • When you connect an external display to your laptop, the graphics processing unit (GPU) has to work harder to manage both the laptop’s built-in display and the external one. This increased workload requires more power.

    The GPU must render the images, videos, and other visual elements on both screens, and in some cases, it might need to render different content on each. This extra processing effort consumes more energy.

    Additionally, the external display might require the laptop to send power via the connection, depending on the type of connection used (such as HDMI or USB-C). This would also contribute to a faster battery drain.

    Together, these factors lead to a higher energy consumption, which will cause the laptop’s battery to deplete more quickly than when using the laptop’s display alone.