Aero Functionality Does Not Work in Windows: How to Fix

Windows Vista & 7 supports Aero feature by default. In some of the less resource hungry editions this functionality is not present like in Windows Vista & Win 7 Home Basic, Home Premium as it runs on WDDM (Windows Device Driver Module). The WDDM should be capable enough to handle those graphical behavior. What if you are running Windows Professional, Ultimate Version of Windows Vista or Windows 7 and you are unable to turn on Aero feature from personalization settings? Today we are going to discuss how to turn on Aero functionality by making few changes in the Windows registry. Catch us after the jump!

Aero Functionality

Disclaimer: Playing with Windows registry is not a healthy practice, we suggest you not to play with it if you are unaware of what you are doing as it will corrupt your OS. We at TechDistinct are not to be held responsible if something goes wrong. User can try this tutorial after creating a restore point on the computer.

Difficulty Level: High 


Turn on Aero Functionality:

  • Create a restore point before playing with Windows registry. Open “Run” Window type “systempropertiesprotection” without quotes and hit enter. In the next pop-up Window select “Create”, give a name to the restore point and click create. A restore point will be created with the name you entered. If something goes wrong then you can restore your computer back to the working condition.
  • Now, once done with Restore Point creation, open “Run” window again and type “regedit” without quotes, hit “Ok
  • Navigate to HKEY_LOCAL_MACHINESoftwareMicrosoft location
  • Once you are there create a new entry key called WDM (only if not listed)
  • Inside of that key, create a new DWORD value called “EnableMachineCheck”, and set it to “0”.
  • Create another DWORD called “Blur”, and set that to “0”, Create another DWORD called “Animations” and set that to “0”.

If WDDM (Windows Device Driver Module) is present and is not enabled or doesn’t displayed then you have to follow few more steps to enable it.

  • Press WinKey+R on your keyboard to open Run window. Type “WinSAT Aurora” into the Run dialog and press OK.
  • Let WinSAT run for a few minutes or until it has completed, and then log off & Log back in.
  • This will enable Aero Glass feature back.

Add this key to the registry by following these instructions:

  • Type “regedit” in the “Run” box on your Start Menu.
  • Navigate to HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorer
  • Right click in the window, then highlight “new“, then “DWORD Value“. Name it MILExplorer, then right click MILExplorer (you just created it) and select “Modify“. Enter as “1″ in the “Value data” box.
  • Go ahead and restart your computer.
  • Once rebooted, go to the Start Menu, click on “Run” and type the following in the box to start DWM: “rundll32 c:/windows/system32/uxdesk.dll,DwmStartComposition”.
  • Now, Open the registry and browse to the following: “HKCUSoftwareMicrosoftWindowsDWMComposition” set value to “1
  • Then browse to “HKCUSoftwareMicrosoftWindowsDWMCompositionPolicy” set value to “2
  • Before you reboot the computer again, restart the WDDM by opening command prompt with admin rights and type the following:

‘net stop uxsms’

‘net start uxsms’

  • Now, go ahead and restart the computer. The computer will now show Aero feature under Personalize settings.

Do let us know if you encounter any problem while working on Aero functionality.

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