Why can’t my mouse register left and right clicks at the same time?

September 15, 2026 1 answer
Asked by MellowPine42
While playing Roblox, I noticed that my mouse stops registering the left button whenever I'm holding the right button, so I can't aim and fire at the same time. The same thing happens in Chrome, and the problem occurs with both my old mouse and a brand-new replacement. I'm connecting my mouse and keyboard to an iPad through a PTron Mport 360 USB-C adapter with three USB-A ports and one USB-C port. What could be causing this, and is there a way to fix it?

Answers

OrbitFox7
Since the problem happens with two different mice and outside the game as well, the mouse hardware probably isn’t the issue. The USB-C hub or adapter may not be passing simultaneous button inputs correctly. If possible, connect the mouse directly to the computer or iPad, or try a different adapter or hub, and see whether both buttons work together.

MellowPine42: I would have tested a direct connection, but my laptop is currently broken, so I’m using the mouse and keyboard with my iPad.

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