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Thumb buttons not working while iCue is running (M65 Ultra)

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Hello my Corsair friends,

I'm a huge Corsair fan, RGB fan and want to build a PC mostly with Corsair and MSI. So I started buying my first corsair product 2 days before. Today I wanted to use my Corsair M65 Ultra and regocnized that if I'm running iCue Software my thumb buttons are not working (thumb button 1, thumb button 2 & sniper button). If I close the iCue software the buttons are working. I don't know what I should do. Is this a software bug, a configuration  mistake or whatever?

I hope someone can help me with that ūüėě.


Kind regards,


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  • Solution

Go to Windows Settings -> Installed Apps and find Corsair iCUE.  Click on the drop down menu at the end and select "modify".  Follow the prompts for the repair installation.  Typically this issue is caused by some sort of corruption error on the install and this cleans it up.  The repair will not erase profiles or settings, so it's always a good place to start.  

Edited by c-attack
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