How to Fix LB Button on Xbox Series X Controller
Honestly, just buy a new one. Sometimes it's not worth the hassle.
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You might need to open it up and check if something's stuck or broken. If you're not comfortable doing that, hit up Xbox Support!
Try gently cleaning around the LB button with a soft cloth and some isopropyl alcohol. A little TLC might do the trick!
I had this issue too! Turned out a simple blast of compressed air got my LB button working again.
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