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[Workaround] Mouse lag after updating to Windows 8.1
[Workaround] Mouse lag after updating to Windows 8.1
11-07-2013 - 03:17 AM
 messivj
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[Image: mouse-lags_zps1f141430.png]
Updated (11/8)
Microsoft finally have released some fixes and workarounds for this issue.
The three following issues are addressed by a fix Microsoft have provided in KB 2908279:
  1. 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.
  2. 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.
  3. 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.
Microsoft have also included workarounds for the following issues:
  1. 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.
  2. 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:

a. Right-click the game’s icon.
b. Select Properties.
c. Select the Compatibility tab.
d. Select the version of Windows for which you want to run the game in compatibility mode.
e. 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.
f. When you're done, tap click OK.


______________________________________________________
(11-07-2013) After upgrading to Windows 8.1, many PC gamers are experiencing mouse lag issues. As reported of the problem, when playing some games the mouse doesn't behave right. It lags, or the pointer jumps back and forth, or they can’t click fast.

And fortunately, in the recent reply to the question of this issue on Microsoft Community, Microsoft forum Moderator has provided several workarounds for this mouse lag issue until they find a real fix.

"There are a few workarounds that have been found to help some of these issues, which we list below.

We are investigating the following situations:

1. Mouse jitters (jumps forward and back) as you move it through a game – This occurs in some games because Windows 8.1 handles the games’ checks for the mouse status differently.

2. 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.

3. 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.

For these situations, check the game settings. If the game supports raw input from the mouse, enabling it may solve the issue.

We have also included workarounds here for the following issues:

1. 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. You can work around this is by disabling DPI Scaling:
a. Right-click the game’s icon.
b. Select Properties.
c. Select the Compatibility tab.
d. Check the box next to Disable display scaling on high DPI settings.

2. 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. To change the setting:
a. Swipe in from the right to bring up the charms, and choose Settings.
b. Select Change PC Settings.
c. Click Mouse & Touchpad.
d. In the drop down To help prevent the cursor from accidentally moving while you type, change the delay before clicks work, select No Delay.

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

a. Right-click the game’s icon.
b. Select Properties.
c. Select the Compatibility tab.
d. Select the version of Windows for which you want to run the game in compatibility mode.
e. 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.
f. 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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(This post was last modified: 11-10-2013 11:18 PM by blackguy.)
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