I have a problem when I connect the D+ and D- EC20 pins directly with usb to the laptop, the Quectel EC20 port is detected early after 2 minutes, it immediately disappears like the picture below, can you provide a solution?

Technical Subjects Driver
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824d030d-94cd-4d93-8f0b-01ff3d04efbc
a26e9187-8fbd-4fb8-b1bf-22fbc6d6e1b3

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It is hardware isuse, but not caused by the driver