How to fix your PC running Windows 7 that slowed down after enabling Windows Aero feature [Troubleshooting Guide]

The Windows 7 operating system was a big hit when it was released after the Vista debacle. Just like the other OS, it has it’s own issues and that includes slow performance PC using the Aero effects. There are several reasons that could slow down the performance of your Windows PC while using its features and that’s what I will tackle today.

The Windows Aero was first introduced on Windows Vista but a few years later Windows 7 was released and the improvements of Windows Aero feature has been its focus as well as other features. In this post, you will learn the basics on how to improve the performance of your PC and the have knowledge about the specs requirements of Aero effects.

The Windows Aero is a glassy visual effects UI in your desktop and we need to make sure that your PC has indeed meet the minimum requirements as possible, if greater than then much better. To check your PC’s specs, follow these steps:

On your Desktop

  1. Right-click the ‘Computer’ icon on desktop
  2. Click Properties
  3. Then it will display your PC’s basic information and look for System tab.

Alternatively, you can do this:

  1. Click Start or Windows icon on the taskbar
  2. Right-click ‘Computer’
  3. Click properties

After checking your PC’s specs, you can compare it to the minimum requirements needed for Windows Aero feature. Below are the minimum requirements:


  1. 1-gigahertz (GHz) 32-bit (x86) or 64-bit (x64) processor
  2. 1 gigabyte (GB) of random access memory (RAM)
  3. 128-megabyte (MB) graphics card

The graphics card must be a DirectX 9 card that supports Pixel shader 2.0 and 32 bit per pixel. And for best results, your monitor must have higher resolutions to match the minimum requirements.

If you’re PC’s specs are below the minimum requirements, then that might be the cause of your PC’s slow performance. This feature is quite heavy for low-end computers because it uses more of your graphics card and system memory. Best advice, turn off the unnecessary effects and it might free up some memory space and improve. Follow these steps to manually stop other effects:

  1. Click Start
  2. Right-click Computer
  3. Click Properties
  4. Double-click Advanced system settings
  5. Once inside the System properties, select Advanced tab
  6. Under Performance click Settings
  7. Under the Visual Effects tab, you can uncheck all effects that you wanted to turned off or click the preset settings ‘Let windows choose…’, Adjust for best appearance, Adjust for best performance and Custom. NOTE: You can stop as many effects as you like and turn them on again.
  8. After turning off all unwanted effects, just click apply
  9. You can go back to Desktop and see if there’s any progress.

Windows 7 Aero Effects Not Working

While this is an amazing feature of Windows 7 and Vista, this visual effect still has issues and it won’t function properly and the glassy effect cannot be experienced. If it happened that it won’t appear to have a transparency effect then you can begin fixing it by doing the basic troubleshooting. Follow these steps to start your troubleshooting:

  1. Right-click on an empty space on your desktop
  2. Click Personalize
  3. Underneath the Aero theme, click Troubleshoot problems with transparency and other Aero effects link. Note: This link will not show if there’s no problem with your Aero effects. If the link is not present, then you can manually change the effect in System Properties.
  4. In the next window, make sure to put a check on ‘Apply repairs automatically’. By doing so, the computer will automatically find the fix of the issue. If you don’t put check on it, it will show a dialog box showing what to fix. So, it’s more faster to put check on automatic.
  5. Click Advanced to show the checkbox
  6. After putting a check, click the ‘Next’ button
  7. The computer will start  searching for solution to the probem, it will take a few minutes.
  8. Once done, it will popup a window and display the report of the issue.
  9. Click the View detailed information to display the full report
  10. After the process, go back and try to use the Aero Effects again. You can reboot your PC to be sure.

Another fix for this issue is to manually stop and restart the Desktop Window Manager Session Manager this procedure is an easy fix for Aero effects issues. Here’s how:

  1. Click Start
  2. Type service.msc on search bar
  3. A popup window will appear, just scroll down and locate Desktop Window Manager Session Manager
  4. Once located, right-click and choose Stop option
  5. After it stopped, restart it again by choosing Start
  6. Then go back to Desktop and apply Aero Effects if there’s progress.

You’ve pretty much performed all basic troubleshooting steps for fixing Windows Aero issue. Hopefully, we were able to help you.

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