Probably you’re enjoying your video games, however, suddenly your game crashes. As a result, you see this nightmare — a blue screen with a code including dxgmms2.sys. Probably you may see the error code one of these:
4 easy solutions to fix dxgmms2.sys blue screen error:
- Do a clean install of your graphics card driver
- Disable hardware acceleration
- Repair system files
- Reset or reinstall Windows
Solution 1: Do a clean install of your graphics card driver
This dxgmms2.sys blue screen error could be probably caused by an old, corrupted graphics card driver on your Windows 10. You can probably solve it by updating your graphics card driver.
Part 1: Uninstall your graphics card driver
1) On your keyboard, press the Windows logo key and X (at the same time) to invoke the quick-access menu.
2) Then click Device Manager.
3) Right-click your graphics card under the Display adapters section. Then click Uninstall device.
4) Click Yes if asked to confirm.
5) Reboot your computer to take effect. Check to see if the blue screen is gone.
Part 2: Download and install the latest graphics card driver
You have two alternative ways to get the latest graphics card driver: manually and automatically.
Manually download and install the latest graphics card driver – You can update your graphics card driver manually by going to the graphics card manufacturer’s website, like NVIDIA, AMD, Intel, and searching for the most recent correct driver. Be sure to choose only drivers that are compatible with your variant of Windows 10.
Automatically update your graphics card driver – If you don’t have the time, patience or computer skills to update your graphics card driver manually, you can, instead, do it automatically with Driver Easy. Driver Easy will automatically recognize your system and find the correct driver for your exact graphics card, and your variant of Windows 10, and it will download and install them correctly.
You can update your drivers automatically with either the 7 days free trial or the Pro version of Driver Easy. It takes just 2 clicks, and you get full support and a 30-day money-back guarantee with the Pro version:
- Download and install Driver Easy.
- Run Driver Easy and click the Scan Now button. Driver Easy will then scan your computer and detect any problem drivers.
- Click the Activate & Update button next to the flagged device to automatically download and install the correct version of this driver.
Or click Update All to automatically download and install the correct version of all the drivers that are missing or out of date on your system (You’ll need the Pro version for this – when you select Update All, you’ll get a prompt to upgrade. If you’re not prepared to purchase the Pro version yet, Driver Easy provides a 7-day trial at no cost, granting access to all Pro features like fast downloads and easy installation. No charges will occur until after your 7-day trial period ends.)
- Restart your computer for the change to take effect.
Solution 2: Disable hardware acceleration
The hardware acceleration feature is widely used to maximize performance. But it may cause some errors, too. dxgmms2.sys blue screen error is the one. So we can disable this feature to try to solve the blue screen error.
Follow these:
In Windows 10, we don’t have access to change hardware acceleration in Settings. But we can disable hardware acceleration through editing Registry.
1) On your keyboard, press the Windows logo key and R (at the same time) to invoke the Run box.
2) Type regedit and click OK.
3) Go to HKEY_CURRENT_USER > Software > Microsoft > Avalon.Graphics.
4) Find DisableHWAcceleration on the right pane.
Right-click on the blank area on the right pane and click New > DWORD (32-bit) Value and name it DisableHWAcceleration.
5) Double-click on DisableHWAcceleration and set its value to 1 to disable hardware aceleration on your Windows 10. Click OK to save the setting.
6) Reboot your Windows 10 to see if the blue screen shows again.
Solution 3: Repair system files
The dxgmms2.sys Blue Screen Error on Windows 10 may be related to system files. When the system files were broken or corrupted, it may cause a Blue screen issue.
1) On your keyboard, press the Windows logo key and the R key at the same time to invoke the Run box.
2) Type cmd and press Shift+Ctrl+Enter together on your keyboard to open Command Prompt in the administrator mode. 
Note: Do NOT click OK or just press the Enter key as that won’t allow you to open Command Prompt in the administrator mode.
3) Type sfc /scannow (or copy-paste) and press Enter. Then wait for the verification is 100% complete. 
4) Restart your computer to check whether the blue screen issue is fixed or not.
If the result indicates there are broken files but SFC can’t fix them, you can turn to Deployment Image Servicing and Management (DISM) Tool for deeper examination and repair.
Solution 4: Reset or reinstall Windows
If all else fails, you may have to reset Windows, or maybe even reinstall it together. We all know reinstalling will delete all the data on your hard drive, you have to back up all your important files before doing it.
But treat these options as a last resort, because they both take quite a long time.
