## Scenario
- `Additional drivers` was showing manually installed driver, all the drivers were greyed out.
- `nvidia-smi` was not working.
- CUDA was installed.

## Steps to install Nvidia Driver in Ubuntu 24.04 LTS
- Install nvidia driver from terminal
```
sudo ubuntu-drivers install --gpgpu
```
- It installed Nvidia driver 575 and still `nvidia-smi` was not working.
- Opened the `Additional drivers` and installed `nvidia-driver-570`.
- The `nvidia-smi` is working:
```
nvidia-smi    
Thu Jul 10 20:10:26 2025       
+-----------------------------------------------------------------------------------------+
| NVIDIA-SMI 570.158.01             Driver Version: 570.158.01     CUDA Version: 12.8     |
|-----------------------------------------+------------------------+----------------------+
| GPU  Name                 Persistence-M | Bus-Id          Disp.A | Volatile Uncorr. ECC |
| Fan  Temp   Perf          Pwr:Usage/Cap |           Memory-Usage | GPU-Util  Compute M. |
|                                         |                        |               MIG M. |
|=========================================+========================+======================|
|   0  NVIDIA GeForce RTX 4070 ...    On  |   00000000:01:00.0 Off |                  N/A |
| N/A   54C    P3            590W /   60W |      14MiB /   8188MiB |     17%      Default |
|                                         |                        |                  N/A |
+-----------------------------------------+------------------------+----------------------+
                                                                                         
+-----------------------------------------------------------------------------------------+
| Processes:                                                                              |
|  GPU   GI   CI              PID   Type   Process name                        GPU Memory |
|        ID   ID                                                               Usage      |
|=========================================================================================|
|    0   N/A  N/A            2925      G   /usr/lib/xorg/Xorg                        4MiB |
+-----------------------------------------------------------------------------------------+
```