Unable to query number of CUDA devices

If you see an error "Unable to query number of CUDA devices" your drivers didn't detect any GPU in the system and because of that the mining won't work. There can be several different reasons for it. Most common are:

You have applied too high overclock;
You have applied too much undervolt;
You are using the wrong drivers;
There are no drivers installed;
You are using AMD GPUs with Nvidia mining client.

Revolutionize your mining operation with minerstat

It's easy and free to get started. Monitor, manage, and optimize your mining rigs with our powerful platform.

Troubleshooting

Best mining OS

for your small or large mining operation

Start now for free

Unlock your mining potential with minerstat®

minerstat isn't just another calculator - it's a powerful mining platform that supports your crypto journey. Boost your profits, save valuable time, and maximize efficiency with our suite of premium features:

🚀
Skyrocket your hashrate with our integrated overclocking tools and a robust mining OS
💰
Drive your earnings with our smart profit switch feature that keeps you ahead of market shifts
📊
Gain clear insight into your mining operation with heatmap visualization and real-time analytics
🔧
Diagnose and resolve issues swiftly with our comprehensive diagnostic tools
🔔
Stay in control with automated health checks and instant alerts for critical events

Join the global community of miners who trust minerstat to elevate their mining game. Are you ready to unlock your mining potential?