My citra its limited at 100% speed i dont know why!

so i would like to run my citra at full speed (300%) but i cant i dont know why can anyone help
Note:the limit speed is off
PC: cpu: i5 6500
gpu:gtx780
citra build: canary | HEAD-485ad0a
it´s capped at 100%


some days ago i did this same post but i only got a answer from a admin i need more help!
sorry if my english is bad xD

Don’t create duplicate threads. People will answer when they have the answer.