How to Fix Thumbnail Previews Missing on Windows 11

Step 1: Install Essential Codecs

If you’re unable to view thumbnails for images in formats like HEIC from an iPhone, it’s likely due to missing codecs. To resolve this, right-click an image, choose Properties, and check the Type of File. If the file format is unsupported, download the HEIC Image Extensions from the Microsoft Store to enable support.

Step 2: Verify Folder View Options

Often, problems arise due to incorrect folder configurations. Modify your Folder View Options by:

• Press Win + S and type File Explorer options.
• Click the top result to open the File Explorer Options window.
• Navigate to the View tab, and uncheck Always show icons, never thumbnails.
• Click Apply then OK to save changes.

Step 3: Restore File Explorer to Default Settings

Resetting File Explorer to its default can often resolve lingering issues. To do this:

• Search for File Explorer Options in the Start menu.
• In the View tab, click on Restore defaults.
• Click Apply and then OK to confirm.

Step 4: Change the Default Photos Application

Windows 11 uses the Photos app as the default viewer for images, which can occasionally malfunction. To change this:

• Right-click an image and select Open with.
• Choose an alternative app like Paint or another from the Microsoft Store.
• Select Choose another app to see more options.
• Tick the box Always use this app to open.png files, and click OK.

Step 5: Clear Thumbnail Cache

A clogged thumbnail cache may prevent previews from appearing. Here’s how to clear it:

• Press Win + I to access Settings.
• Go to System > Storage, and select Temporary Files.
• Check Thumbnails and click Remove files.

Step 6: Restart Windows Explorer

Restarting Windows Explorer may resolve display issues:

• Press Ctrl + Shift + Esc to open Task Manager.
• Click on More Details if needed.
• Locate Windows Explorer under the Processes tab.
• Right-click on it and select Restart.

Step 7: Update the Graphics Drivers

Outdated graphics drivers can lead to thumbnail issues. Update yours by:

• Press Win + X and select Device Manager.
• Expand Display adapters, right-click your graphics driver, and select Update Device.
• Select Search automatically for drivers online ; follow prompts as necessary.

Step 8: Perform a Full Malware Scan

Malware can disrupt thumbnail displays. Run a full scan on your system using Windows Security or your preferred antivirus. If threats are detected, take appropriate actions. Additionally, consider utilizing the System File Checker tool:

• Right-click the Windows icon and choose Windows Terminal (Admin).
• Type sfc /scannow and press Enter.
• After completion, follow with DISM /Online /Cleanup-Image /RestoreHealth.

Why are my thumbnails not displaying at all?

What file formats typically have issues displaying thumbnails?