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diff --git a/docs/cri_vm.md b/docs/cri_vm.md
index 7f0c911c36c0c6c643a0ef501017da51307663e1..b6094bb0892de5d052c54f127d900b197cc10f44 100644
--- a/docs/cri_vm.md
+++ b/docs/cri_vm.md
@@ -147,6 +147,51 @@ You need to enable Vt-x or AMD-V in your BIOS.
 Go to the VM settings window and in the `System` page and `Processor` tab,
 uncheck the `Enable nested Vt-x/AMD-V` box.
 
+### FATAL: Could not read from the boot medium! System halted
+
+![no-boot-medium-display](assets/vm_error_no_boot_medium-1.png)
+
+This issue often happens if you tried to install `VBoxGuestAdditions`. The
+tools provided by VirtualBox are given as an ISO file. When you try to install
+the tools, the ISO will replace your boot device.
+
+To fix this issue, you need to re-attach the original boot device to your VM.
+
+Go into your VM settings (`Settings -> Storage`)
+
+!!! warning
+    Be careful ! You should only edit the `Controller: IDE` section of the Storage settings.
+
+In the `Controller: IDE` section, you will either see nothing or the `VBoxGuestAdditions` iso.
+
+##### `Controller: IDE` section is empty
+![no-boot-medium](assets/vm_error_no_boot_medium-2.png)
+
+Click on the little CD/ROM button on the `Controller: IDE` line.
+
+![add-boot-iso](assets/vm_error_no_boot_medium-3.png)
+
+Choose the iso called `PIE-disk001.iso`, it should have a size of ~1MB.
+
+![add-boot-iso-menu](assets/vm_error_no_boot_medium-4.png)
+
+You should now be able to boot your VM.
+
+##### VBoxGuestAdditions iso is present in the `Controller: IDE` section
+![guest-additions](assets/vm_error_no_boot_medium-5.png)
+
+1. Select `VBoxGuestAdditions` iso.
+
+2. Click on the disk icon on the right of the menu.
+
+![guest-additions](assets/vm_error_no_boot_medium-6.png)
+
+Choose the iso called `PIE-disk001.iso`.
+
+![guest-additions](assets/vm_error_no_boot_medium-7.png)
+
+You should now be able to boot your VM.
+
 ## Small tips for a better environment
 
 ### Screen resolution