# Lambda Stack installation

## Post by uhvardhan on Oct 8, 2018

Hi, I try to install Lambda stack on my laptop. Throws the following errors:

> The following packages have unmet dependencies:
> 
> lambda-stack-cuda : Depends: libcuda1-390 but it is not going to be installed or
> 
> libcuda-9.0-1
> 
> Depends: python-torchvision but it is not going to be installed
> 
> Depends: python3-torchvision but it is not going to be installed
> 
> Depends: tensorboard but it is not going to be installed
> 
> Depends: libcudnn-dev but it is not going to be installed
> 
> Depends: caffe-cuda but it is not going to be installed
> 
> Depends: python-caffe2-cuda but it is not going to be installed
> 
> Depends: python3-caffe2-cuda but it is not going to be installed
> 
> Depends: python-torch-cuda but it is not going to be installed
> 
> Depends: python3-torch-cuda but it is not going to be installed
> 
> Depends: python-tensorflow-cuda but it is not going to be installed
> 
> Depends: python3-tensorflow-cuda but it is not going to be installed
> 
> Depends: tensorflow-tools-cuda but it is not going to be installed
> 
> Depends: python-pycuda but it is not going to be installed
> 
> Depends: python3-pycuda but it is not going to be installed
> 
> Depends: python-skcuda but it is not going to be installed
> 
> Depends: python3-skcuda but it is not going to be installed
> 
> E: Unable to correct problems, you have held broken packages.

Any idea as to what’s wrong?

## Post by RubensRainelli on Aug 14, 2023

Try this: [REINSTALL Lambda Stack](https://deeptalk.lambda.ai/t/lambda-stack-seems-to-be-wiped-out-after-ubuntu-update/2437/2)