Added guide on clearing GPU shader cache

src/content/docs/factoids/ddu.mdx

@@ -22,6 +22,15 @@ import InstallDDU from '../../../_includes/embeds/ddu_install.md';
 
 <InstallDDU />
 
+## Cleaning Shader Cache Only (Does not wipe display drivers)
+> [!WARNING] Warning
+> 
+> Make sure you are in [Safe Mode](/factoids/safe-mode) for the following steps.
+
+To clean only the GPU shader cache, select the "GPU" device type from the drop-down list on the right, select the GPU driver, and click `Clean Shader Cache (Only)`.
+
+![DDU clean shader cache option](../../../assets/factoids/ddu_shadercache.png)
+
 ## Wiping Display Drivers
 
 > [!WARNING] Warning

src/content/docs/guides/clearing-shader-cache.md

@@ -0,0 +1,55 @@
+---
+title: Clearing GPU Shader Cache
+description: If you are experiencing graphical issues (e.g., flickering, crashes, or performance degradation), clearing the GPU shader cache can help resolve them.
+sidebar:
+    hidden: false
+parent: General Guides
+has_children: false
+pagefind: true
+last_modified_date: 2025-04-12
+---
+
+This guide provides step-by-step instructions on how to clear the shader cache for NVIDIA, AMD, and Intel graphics cards.
+
+## Using Display Driver Uninstaller (DDU)
+This method works on both AMD and NVIDIA graphics cards and is the easiest way to clear the shader cache.
+
+Follow the instructions in our [DDU guide](/factoids/ddu#cleaning-shader-cache-only-does-not-wipe-display-drivers) to wipe the shader cache only. This will not remove your graphics drivers, but it will clear the shader cache.
+
+## Manually Clearing Shader Cache
+
+### For NVIDIA Users
+1. **Disable Shader Cache:**
+    - Right-click your desktop and open the **NVIDIA Control Panel**.
+    - Go to **Manage 3D Settings** > **Global Settings**.
+    - Find **Shader Cache Size** and set it to **Disabled**. Click **Apply** and restart your PC.
+2. **Delete Shader Cache Folders:**
+    - Press `Win + R`, type `%localappdata%`, and press Enter.
+    - Navigate to `NVIDIA` > `GLCache` and delete all folders inside.
+    - Press `Win + R`, type `%localappdata%\..\LocalLow\NVIDIA\PerDriverVersion\DXCache`, and press Enter.
+    - Delete everything in the `DXCache` folder as well.
+3. **Run Disk Cleanup:**
+    - Press `Win + S`, type `Disk Cleanup`, and open it.
+    - Select your system drive (usually C:), check **DirectX Shader Cache**, and click **OK** to clear it.
+4. **Re-enable Shader Cache:**
+    - Go back to the NVIDIA Control Panel and re-enable the shader cache by setting **Shader Cache Size** back to **Driver Default** (or **Unlimited**). Click **Apply** and restart your PC.
+
+### For AMD Users
+1. Open the **AMD Radeon Software** (`Alt + R`).
+2. Click on the **Gaming** tab, then select **Graphics**.
+3. Scroll to the bottom, expand the **Advanced** section, and click on **Reset Shader Cache**.
+4. **Run Disk Cleanup:**
+    - Press `Win + S`, type `Disk Cleanup`, and open it.
+    - Select your system drive (usually C:), check **DirectX Shader Cache**, and click **OK** to clear it.
+
+### For Intel Users
+1. **Delete Shader Cache Folders:**
+    - Press `Win + R`, type `%userprofile%\AppData\LocalLow\Intel\ShaderCache`, and press Enter.
+    - Delete all folders and files inside the `ShaderCache` directory.
+2. **Run Disk Cleanup:**
+    - Press `Win + S`, type `Disk Cleanup`, and open it.
+    - Select your system drive (usually C:), check **DirectX Shader Cache**, and click **OK** to clear it.
+
+## Other potential fixes
+- **Ray Tracing**: If the game hangs on "Preparing Shaders", try disabling ray tracing in the game's graphics settings, as it can cause shader compilation issues.
+- **Steam Shader Pre-Caching**: If you are using Steam, try clearing the shader pre-cache by going to **Settings** > **Shader Pre-Caching** and deleting the shader cache for the specific game if listed.