Your mouse not working correctly in Marathon on PC is hugely frustrating. Here are some fixes to the known bug you can try.

If your mouse cursor turns white or disappears in text fields in Chrome or Edge, use the following solutions to fix this problem. You should also clear the cache and cookies of Chrome and Edge.

Bungie is working on a real fix, but for now, try this.

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Marathon's mouse bug is driving PC players up the wall. Here's what's causing it and how to fix it before your next run.