Why does my laptop have an empty PCIe x16 slot (slot size

T-Slot Aluminum Design: Slot Size size slot Dentaurum showed significant difference from the ideal slot size and brackets from JJ Orthodontics and Desires showed highly significance difference from ideal single line slot machines That is what I was thinking, I am just not sure how to do that, I can select the slot and do a scale, but that changes the Length and Width

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