# Can't seem to set up CuArrays on Juliabox.com anymore

**URL:** <https://discourse.julialang.org/t/cant-seem-to-set-up-cuarrays-on-juliabox-com-anymore/16716>\
**Category:** Community\
**Tags:** gpu, gpuarrays\
**Created:** [October 24, 2018, 5:21am UTC](https://discourse.julialang.org/t/cant-seem-to-set-up-cuarrays-on-juliabox-com-anymore/16716 "2018-10-24T05:21:16Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![xiaodai](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/xiaodai/32/15937_2.png) [@xiaodai](https://discourse.julialang.org/u/xiaodai)\
**Post date:** [October 24, 2018, 5:21am UTC](https://discourse.julialang.org/t/cant-seem-to-set-up-cuarrays-on-juliabox-com-anymore/16716/1 "2018-10-24T05:21:16Z")

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I have been trying to load CuArrays.jl but I can’t seem to work out how to do it.

`using CuArrays` gives error

> ERROR: LoadError: CUDAdrv.jl has not been built, please run Pkg.build(“CUDAdrv”)

but running `Pkg.build("CUDAdrv")` gives error

> Building CUDAdrv → `~/.julia/packages/CUDAdrv/LC5XS/deps/build.log`  
> ┌ Error: Error building `CUDAdrv`:  
> │ [ Info: JuliaBox Pkg Manager !!!  
> │ ERROR: LoadError: ArgumentError: Package REPL not found in current path:  
> │ - Run `Pkg.add("REPL")` to install the REPL package.

I have tried Pkg.rm those two affected packages and reinstalling, but nothing seems to work at the moment. I believe CuArrays.jl was working before and I am pretty sure I pressed “Launch GPU instance”.

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**Author:** ![Nishanth\_Kottary](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/nishanth_kottary/32/7791_2.png) [@Nishanth\_Kottary](https://discourse.julialang.org/u/Nishanth_Kottary)\
**Post date:** [October 24, 2018, 12:27pm UTC](https://discourse.julialang.org/t/cant-seem-to-set-up-cuarrays-on-juliabox-com-anymore/16716/2 "2018-10-24T12:27:52Z")

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It is possible that previously added packages are interfering with CuArrays installation. Can you please deleted added packages and try again? See [here](https://docs.juliabox.com/#Reset-Packages-1) for how to reset packages.

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<div class="post-metadata">

**Author:** ![xiaodai](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/xiaodai/32/15937_2.png) [@xiaodai](https://discourse.julialang.org/u/xiaodai)\
**Post date:** [October 24, 2018, 10:36pm UTC](https://discourse.julialang.org/t/cant-seem-to-set-up-cuarrays-on-juliabox-com-anymore/16716/3 "2018-10-24T22:36:47Z")

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Still running into the same issues after removing all installed packages, and restarting the kernel.

**Update**  
After logging out and cleaning all the packages again. It now seems to be working.

**Update**  
Actually I went into the sheet again. Now it’s failing again when loading CuArrays. It was working just then.

> ┌ Info: Recompiling stale cache file /mnt/juliabox/.julia/compiled/v1.0/CuArrays/7YFE0.ji for CuArrays [3a865a2d-5b23-5a0f-bc46-62713ec82fae]  
> └ @ Base loading.jl:1184  
> ERROR: LoadError: CUDAdrv.jl has not been built, please run Pkg.build(“CUDAdrv”).  
> Stacktrace:  
> [1] error(::String) at ./