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Touchpad lag Elite Dragonfly

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HP Elite Dragonfly
Microsoft Windows 10 (64-bit)


I saw a post about touchpad lag on elite dragonfly by tweleforty and since HP locked the post for further comments i start a new one to share my solution. 

Go to Device manager-> view -> device by connection -> PCI Express root port -> thunderbolt controller 15EB -> right click thunderbolt controller 15EB -> Properties -> Power management -> disable allow the computer to turn off this device to save power ( By default has a check mark, remove it and click apply or OK)


i have spent several weeks on this issue and finally it is gone in our enviroment.





I have a brand new Dragonfly and have a problem with the touchpad. Often after resuming from standby there is a lag of about 3 seconds using the touchpad. For example, I move my finger on the touchpad and only after 3 seconds the cursor starts responding. To solve the problem I have either to reboot. Sometimes also going to standby and resume fixes it.

I noticed that when this problem manifests itself, an errors appears on the event viewer: 

Source: MTConfig

Error: An attempt to configure the input mode of a multitouch device failed.


All the drivers are updated to the latest version, and so is Windows 10, currently on version 20H2, but the previous version 2004 had the same issue.


Any suggestions? The laptop is brand new and this is very annoying issue indeed.


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I've had same problem. This solution work also in my pc. Thanks!

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