Why does my iPhone-to-PC pics & vids transfers always cut out constantly?

Every time I plug my iPhone X into my laptop and transfer all pics and vids, i'm lucky if it's done 10 items in 10 minutes before it loses connection. I have to unplug then plug in again for another go. Takes hours to do 200 (mix of pics and videos). My mom has the same phone & PC, but hers transfers hundreds in about 4 minutes no problem. I've changed to a new cable. Same problem. PC 1 year old and it's done this since day 1.

I would contact the genius bar at your local apple store for help

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