feat(gpu): add troubleshooting index

pages/gpu/troubleshooting/index.mdx

@@ -1,8 +1,66 @@
 ---
 meta:
   title: GPU Instances - Troubleshooting
-  description: GPU Instances Troubleshooting
+  description: Find troubleshooting resources for resolving issues with GPU Instances.
 content:
-  h1: GPU Instances - Troubleshooting
-  paragraph: GPU Instances Troubleshooting
----
+  paragraph: Find troubleshooting resources for resolving issues with GPU Instances.
+dates:
+  posted: 2025-03-10
+categories:
+  - gpu-instances
+---
+
+<ProductHeader
+  productName="GPU Instances troubleshooting"
+  productLogo="instances"
+  description="Learn how to fix common issues with Scaleway GPU Instances."
+/>
+
+## Featured Pages
+
+<Grid>
+    <DefaultCard
+      title="Instances FAQ"
+      description="General info on Scaleway Instances."
+      url="/faq/instances/"
+      label="See more"
+    />
+    <DefaultCard
+      title="Choosing the right GPU Instance type"
+      description="Learn how to choose the right GPU Instance for your workloads."
+      url="/gpu/reference-content/choosing-gpu-instance-type/"
+      label="See more"
+    />
+    <DefaultCard
+      title="GPU Instances internet and Block Storage bandwidth overview"
+      description="Learn about the internet and Block Storage bandwidth available for each GPU Instance type."
+      url="/gpu/reference-content/gpu-instances-bandwidth-overview/"
+      label="See more"
+    />
+</Grid>
+<Grid>
+    <DefaultCard
+      title="NVIDIA GPU time-slicing with Kubernetes"
+      description="Learn to share a physical GPU among multiple containers or pods in a Kubernetes cluster."
+      url="/gpu/reference-content/kubernetes-gpu-time-slicing/"
+      label="See more"
+    />
+    <DefaultCard
+      title="Installing NVIDIA drivers on Ubuntu 22.04"
+      description="Learn to manually install the NVIDIA drivers on an Ubuntu 22.04 image."
+      url="/gpu/troubleshooting/install-nvidia-drivers-ubuntu/"
+      label="See more"
+    />
+    <DefaultCard
+      title="Docker AI images"
+      description="Discover a range of ready-to-use AI Docker images."
+      url="/gpu/reference-content/docker-images/"
+      label="See more"
+    />
+</Grid>
+
+## GPU Instances troubleshooting pages
+
+- [Fixing GPU issues after installing NVIDIA driver packages](/gpu/troubleshooting/fix-driver-issues/)
+- [Installing NVIDIA drivers on Ubuntu 22.04](/gpu/troubleshooting/install-nvidia-drivers-ubuntu/)
+- [Fixing GPU issues after upgrading GPU Instances with cloud-init](/gpu/troubleshooting/updating-gpu-instance-with-cloud-init/)