> For the complete documentation index, see [llms.txt](https://khronokernel-4.gitbook.io/disable-unsupported-gpus/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://khronokernel-4.gitbook.io/disable-unsupported-gpus/disabling-the-gpu/option-1-boot-flags.md).

# Option 1: Boot Flags

So this is probably the easiest of them all for users on here, all you need to do is add the following flag:

```
-wegnoegpu
```

Now all GPUs besides the iGPU will be disabled, this isn't guaranteed to always work and has the consequence of not allowing other discrete GPUs to be used instead