DDU Driver Display Uninstaller

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A Basic Tutorial to Uninstall your Graphics driver using the DDU Tool  (Driver Display Uninstaller) 


What is DDU?

""Display Driver Uninstaller (DDU) is a driver removal tool that can help you completely uninstall AMD (ATI), NVIDIA and Intel graphics drivers from your system, without leaving leftovers behind (such as registry keys, folders, files, driver store)

Over time these leftover files can cause compatibility issues, such as drivers failing to install, reducing performance or system crashes/freezes. By using DDU you can remove these leftovers and solve many common issues related with GPU drivers"



The latest version of Display Driver Uninstaller (DDU) is V18.0.0.2 released on October 05 \ 2018.  

You can click the link provided and Download DDU from the  Official DDU Website


 Please Note:  Only use this Tool if you understand what it does and you have a Specific reason to do so 

                        Insure you Create a system Restore point.  DDU will do this anyway but its best to Manually create a system Restore point 

                        Window 10 Users, Disconnect from the Internet this will Insure windows 10 does not Automatically Download and Install a driver





(1)  Downloading Drivers

(2)  DDU  Downloading \ Extracting and Launching 

(3)  Clean and Restart: For Installing new Graphics Driver 

(4)  Clean and Shutdown:  For Installing a new Graphics Card 

(5)  Installing your Graphics driver 

(6)  Recommended steps to take after 





(1)  Downloading Drivers

Your First step is to Download your new driver 

To download your Graphics Drivers see the links below

NVIDIA Driver Downloads

AMD Driver Downloads

Intel Driver Downloads


Note: Insure you add the Driver Installer to your Exclusions Zone of your Anti virus Software as it may be seen as a False Positive   

Using Windows Defender as an Example you can see here how to add a file or an Installer to the  Exclusions Zone

Also Disable the UAC User Account Control ,    Type UAC in your windows search bar.  Click Never notify and Click Ok




(2)  DDU  Downloading \ Extracting \ Launching

Always Download from the Official DDU Website

Note to Window 10 Users, Before you proceed any further, Disconnect from the Internet this will Insure windows 10 does not Automatically Download and Install a driver


Run the Installer to Extract the files 





Right click on Display Driver Uninstaller.exe and Run as administrator 





For Complete stability it is Recommended to Reboot to Safe Mode. Please see this like for steps to reboot in  Safe Mode







(3)  Clean and Restart:   For Installing new Graphics Driver 

We are now Inside the DDU Control Panel.  You have an Options Tab (Top left)  I leave these Options as Default I do not change these,  But you can read more about these Options in the link i provided at the top on the page  

Pick your Graphics card type from the Drop down Menu bar  





Click  "Clean and Restart"   The cleaning process will shortly finish and your computer will Restart  







(4)  Clean and Shutdown:  For Installing a new Graphics Card 

If you are Installing a new Graphics card,  Click  "Clean and Shutdown"  Your computer will shut down after the cleaning process.  You can then proceed to Install your new Graphics Card and then restart your computer  







(5) Installing your Graphics driver

Your last step.........

Insure you Install your driver as administrator,   Right Click on your driver Installer and Run as administrator,  When completed Restart your computer 






(6)  Recommended steps to take after

After Installing a new Graphics card or Installing a Graphics driver it is Recommended to Delete your Prepar3D.cfg and your Shaders folder, These 2 file\folder will Generate again when you Launch Prepar3D 

To locate these you will need to insure the box is Ticked for Show hidden files, folders and drives  in Folder Options

You will have to adjust your Graphic settings to your preference again in Prepar3D > settings after deleting your Prepar3D.cfg


Locate and Delete your Prepar3D.cfg and your Shaders folder.     

Location: ► Local Disk (C:) ► Users ► You ► AppData ► Roaming ► Lockheed Martin ► PreparD  -   Prepar3D.cfg

Location: ► Local Disk (C:) ► Users ► You ► AppData ► Local ► Lockheed Martin ► Prepar3D   -  Shaders




You can head over to the  Display Driver Uninstaller (DDU) Download & Support  Forums for any further questions or support you may need 


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