Since I’ve upgraded to Windows 8.1, when playing some games the mouse doesn’t behave right. It lags, or the pointer jumps back and forth, or I can’t click fast.

Updated (11/8) We want to thank our gaming community for the detailed feedback many of you have provided on these issues. We have released some fixes and workarounds that will allow you to get back to your gaming. The “mouse lag” issue is actually several different issues that could vary based on the game, input methods used, etc. The three following issues are addressed by a fix we have provided in **KB 2908279** : Mouse jitters (jumps forward and back) as you move it through a game – This occurs in some games because Windows 8.1 introduced changes to mouse input processing for low latency interaction scenarios and this causes some games to respond differently to mouse input than in previous releases of Windows. Mouse movement is not to scale even after acceleration is turned off – If you have turned off acceleration to make the distance on the screen match the distance you move the mouse, that may not work correctly anymore. Measured mouse Polling Rate has a lower reporting frequency than expected – If you have a gaming mouse that has a high frequency, when you test it, you may find it is reporting a lower frequency than you expect. Note: if you previously encountered issues with measuring the polling rate you will need to follow the instructions in **KB 2908279** to ensure that, not only the patch is installed, but also the app used to measure the polling rate has an appropriate registry entry to enable the fix for that specific executable. We have also included workarounds here for the following issues: Mouse may not be able to reach all areas of the game window – This may occur with games that do not use DirectX, when run in window mode. See **KB 2907016** for the workaround. Can’t left-click with an integrated pointing device immediately after pressing a key – This is a setting for touchpads, like those used on laptops, to make typing easier. You can work around this by changing the mouse delay to zero, but this may make typing more difficult. For instructions to change the setting, see **KB 2907018** . Some users have also reported success in older games and apps by turning on compatibility mode. To try that: Right-click the game’s icon. Select Properties. Select the Compatibility tab. Select the version of Windows for which you want to run the game in compatibility mode. If you want to apply the settings for that program to all accounts on the PC, click Change settings for all users . You might be asked for an administrator password or to confirm your choice. When you're done, tap click OK . When we have more information from our investigations, we will update this post. Thank you very much for your patience.

Since I’ve upgraded to Windows 8.1, when playing some games the mouse doesn’t behave right. It lags, or the pointer jumps back and forth, or I can’t click fast. We have issued a fix to address most of the “mouse lag” issues associated with gaming in Windows 8.1, which vary based on the game, input methods used, etc. More details on the issue and available resolutions are available via KB 2908279 , and affected customers can go to the Microsoft Download Center to install the update

Hi Naman, Thanks for confirming that Microsoft is looking into this. Could some testing also be dedicated to multiple screen setups? I've noticed really bad mouse behaviour when running game on one screen (windowed mode), which would have mouse behaviour as you have described, and if I click out on desktop on second screen the mouse would appear to be extremely laggy. Thanks.

I've been having this issue with Quake Live .. its pretty much unplayable.

Hey Microsoft, Also, I frequently disconnect from online games too. It used to be better, I only disconnected every half an hour or so. But now, I'm lucky to even stay online for 5mins. It's that bad. Please help thanks.

Mouse lag in video games since upgrading to Windows 8.1

Answer accepted by question author

Anonymous

Updated (11/8)

We want to thank our gaming community for the detailed feedback many of you have provided on these issues. We have released some fixes and workarounds that will allow you to get back to your gaming.

The “mouse lag” issue is actually several different issues that could vary based on the game, input methods used, etc.

The three following issues are addressed by a fix we have provided in **KB 2908279**:

Mouse jitters (jumps forward and back) as you move it through a game – This occurs in some games because Windows 8.1 introduced changes to mouse input processing for low latency interaction scenarios and this causes some games to respond differently to mouse input than in previous releases of Windows.
Mouse movement is not to scale even after acceleration is turned off – If you have turned off acceleration to make the distance on the screen match the distance you move the mouse, that may not work correctly anymore.
Measured mouse Polling Rate has a lower reporting frequency than expected – If you have a gaming mouse that has a high frequency, when you test it, you may find it is reporting a lower frequency than you expect. Note: if you previously encountered issues with measuring the polling rate you will need to follow the instructions in **KB 2908279** to ensure that, not only the patch is installed, but also the app used to measure the polling rate has an appropriate registry entry to enable the fix for that specific executable.

We have also included workarounds here for the following issues:

Mouse may not be able to reach all areas of the game window – This may occur with games that do not use DirectX, when run in window mode. See **KB 2907016** for the workaround.
Can’t left-click with an integrated pointing device immediately after pressing a key – This is a setting for touchpads, like those used on laptops, to make typing easier. You can work around this by changing the mouse delay to zero, but this may make typing more difficult. For instructions to change the setting, see **KB 2907018**.

Some users have also reported success in older games and apps by turning on compatibility mode. To try that:

Right-click the game’s icon.
Select Properties.
Select the Compatibility tab.
Select the version of Windows for which you want to run the game in compatibility mode.
If you want to apply the settings for that program to all accounts on the PC, click Change settings for all users. You might be asked for an administrator password or to confirm your choice.
When you're done, tap click OK.

When we have more information from our investigations, we will update this post. Thank you very much for your patience.

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Mouse lag in video games since upgrading to Windows 8.1

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