Display Driver Uninstaller (DDU) is a free utility for Windows that completely removes graphics card drivers and related files. It[SQ]s particularly useful when :

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Troubleshooting graphics problems:

Corrupted or conflicting drivers are a common cause of display issues. DDU helps ensure a clean slate before installing new drivers.
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Switching graphics cards:

Before installing drivers for a new GPU, DDU removes remnants of the old drivers to prevent conflicts.
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Preparing for a clean Windows installation:

Removing display drivers before a fresh Windows install can prevent driver-related problems during the process.

Key Features of DDU:

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Safe Mode Operation:

DDU strongly recommends running it in Safe Mode to prevent the currently active display driver from interfering with the uninstallation process. This ensures a more thorough and safer removal.
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Clean Removal:

It removes not just the main driver files, but also associated registry entries, leftovers in various system folders, and other related components that a standard uninstall might miss.
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Driver Selection:

Allows you to select specific drivers for removal or to uninstall all drivers from a particular manufacturer.
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Simple Interface:

Despite its powerful capabilities, DDU has a straightforward interface, making it easy to use even for non-technical users.

Important Note:

DDU should be used cautiously. While it[SQ]s generally safe, completely removing drivers means your display might be temporarily affected until new ones are installed. Always back up important data before running DDU, and ensure you have access to the correct drivers for your graphics card afterward. Using it in Safe Mode is crucial.